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Canon ImageRunner iR8500 Series, Servise Manual

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Canon ImageRunner iR8500 Series Servise Manual Download Page 355

COPYRIGHT© 2001 CANON INC.

 2000 2000 2000 2000 

CANON iR8500 REV.0 MAR. 2001

CHAPTER 6 TROUBLESHOOTING

6-86

3.3.10 The copy has white spots (vertical)
3.3.11 The copy has white lines (vertical)

Copy paper

1) Try fresh copy paper. Is the problem corrected?

YES: The copy paper is moist. Advise the user on the correct method of

storing paper (place).

Dust-proofing glass

2) Clean the dust-proofing glass. Is the problem corrected?

YES: End.

Scanner (dirt)

3) Does the problem occur only in copy images?

YES: The cause is between the scanner and the CCD. Perform the fol-

lowing once again:
1. Check the standard white plate for dirt.
2. Execute the following service move:

COPIER>FUNCTION>CCD>CCD-ADJ.

Photosensitive drum

4) Is there a scratch in the peripheral direction of the surface of the

photosensitive drum corresponding to the problem in the image?

YES: Be sure to find out the cause of the scratch, and replace the photo-

sensitive drum.

Developing assembly

5) Is the developing cylinder coated with an even layer of toner?

NO:

1. Check to see if there is a collection of paper lint on the edge of

the blade of the developing assembly.

2. Check to make sure that the connector at the front of the devel-

oping assembly is firmly connected to the machine.

Fixing assembly

6) Using the door switch actuator and with the front cover open, gen-

erate a test print (PG-TYPE6, solid black).
Turn off the switch immediately before the copy paper enters the
fixing assembly, and check the image. Is the image normal?

YES: The cause is after the fixing system. Perform the following:

1. Roller offset in the fixing assembly

Chap_06_6.p65

01/03/13, 18:25

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Summary of Contents for ImageRunner iR8500 Series

Page 1: ...FY8 13H3 000 iR8500 REVISION 0 MAR 2001 COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 PRINTED IN U S A ...

Page 2: ... the contents of this manual over a long or short period Canon will issue a new edition of this manual The following paragraph does not apply to any countries where such provisions are inconsistent with local law Trademarks The product names and company names used in this manual are the registered trademarks of the individual companies Copyright This manual is copyrighted with all rights reserved ...

Page 3: ...uiring care to avoid combustion fire Indicates an item prohibiting disassembly to avoid electric shocks or problems Indicates an item requiring disconnection of the power plug from the electric outlet Indicates an item intended to provide notes assisting the understanding of the topic in question Memo Indicates an item of reference assisting the understanding of the topic in ques tion REF Provides...

Page 4: ...e main controller Chapter 4 Installation requirements for the site of installation installation procedure relocation procedures and installation of accessories Chapter 5 Maintenance and Inspection periodically replaced parts consumables and durables tables scheduled servicing chart disassembly assembly of mechanical systems Chapter 6 Troubleshooting standards adjustments arrangement of electrical ...

Page 5: ...ation of the iR8500 System The iR8500 may be configured as follows Some products are not sold in certain sales areas 1 Saddle Finisher K3 K4 2 Inserter B1 3 Paper Folding Unit C1 4 iR8500 5 Side Paper Deck M1 6 Finisher K1 K2 7 Network LIPS Printer Kit B1 8 DADF J1 standard 6 1 2 3 5 8 7 4 F00 300 01 ...

Page 6: ... in addition keep the following in mind 1 If you turn off the main power switch while the printer function is in use the data being processed can be lost Check to make sure that the Operation Memory lamp on the control panel is off before operating the main power switch 2 Do not turn off the main power switch while downloading is taking place otherwise the machine may stop operating 3 If the heate...

Page 7: ... long as the machine is used for its in tended functions 4 2 CDRH Ordinances The Center for Devices and Radiological Health CDRH of the US Food and Drum Ad ministration put into force ordinances related to laser products on August 2 1976 These ordinances apply to laser products manufactured on and after August 1 1976 and sale of laser products is prohibited within the US unless they bear a certifi...

Page 8: ...0 2000 CANON iR8500 REV 0 MAR 2001 vi F00 402 01 The description may vary from model to model CANON MANUFACTURED 30 2 SHIMOMARUKO 3 CHOME OHTAKU TOKYO 146 JAPAN THIS PRODUCT CONFORMS WITH CQRH RADIATION PERFORMANCE STANDARD 21CFR CHAPTER 1 SUBCHAPTER J ...

Page 9: ...e screwdriver into the laser path Take such precautions as removing the watch and rings before starting the work to pre vent reflection of laser light to the eye The machine s laser light is red and covers that can reflect laser light are identified by the following label Take full care whenever servicing areas of the machine behind these covers This label is attached to all covers inside the mach...

Page 10: ...N FS6 8822 FS6 8623 CAUTION LASER RADIATION WHEN OPEN AVOID EXPOSURE TO BEAM ATTENTION RAYONNEMENT LASER EN CAS D OUVERTURE EXPOSITION DANGEREUSE AU FAISCEAU VORSICHT LASERSTRAHLUNG WENN ABDECKUNG GE FFNET NICHT DEM STRAHL AUSSETZEN PRECAUCION RADIACION LASER CUANDO SE ABRE EVITAR EXPONERSE AL RAYO ATTENZIONE RADIAZIONE LASER IN CASO DI APERTURA EVITARE L ESPOSIZIONE AL FASCIO VARO AVATTAESSA OLET...

Page 11: ...dyes If your skin or clothes have come into contact with toner try removing as much of it as possible with dry paper tissues and wash off with water Do not use warm water as it would turn the toner jelly like and become fused with the fibers of the fabric In addition avoid bringing toner into contact with plastic material as it tends to dissolve easily Do not throw toner into fire to avoid explosi...

Page 12: ...ional Construction 2 1 1 2 Inputs to the Major PCBs 2 2 1 2 1 Wiring of the major PCBs 2 2 2 New Functions 2 3 2 1 Original Exposure System 2 5 2 1 1 Changes in the Original Exposure System 2 5 2 1 2 Outline of the Original Exposure System 2 7 2 1 3 Enlargement Reduction Method 2 7 2 1 4 Preventing Overheating of the Scanner Motor 2 8 2 1 5 Arrangement of the PCBs 2 9 2 1 6 Stabilizing the Scannin...

Page 13: ...als Auxiliary Controls 2 51 2 7 2 Fans 2 53 2 7 3 Sequence of Operations fans 2 55 2 8 Side Paper Deck 2 57 2 8 1 Outline of the Side Paper Deck 2 57 CHAPTER 3 MAIN CONTROLLER 1 Basic Operation 3 1 1 1 Functional Construction 3 1 1 2 Outline of the Electrical Circuit 3 2 1 2 1 Outline 3 2 1 2 2 Main Controller PCB 3 2 1 2 3 Hard Disk Drive 3 2 1 3 Start Up Sequence 3 4 1 3 1 Outline 3 4 1 3 2 Star...

Page 14: ...dby 3 16 4 8 Power Supply Off Mode 3 16 CHAPTER 4 INSTALLATION 1 Selecting the Site 4 1 2 Unpacking and Installation 4 4 2 1 Points to Note Before Starting the Installation Work 4 4 2 2 Unpacking 4 5 2 3 Mounting the Scanner 4 10 2 4 Mounting the Fixing Assembly 4 11 2 5 Mounting the Charging Assemblies 4 14 2 6 Checking the Developing Assembly 4 18 2 7 Mounting the Pickup Assembly 4 20 2 8 Supply...

Page 15: ... After Replacing the Laser Unit 5 49 5 7 BD Unit 5 50 5 7 1 Removing the BD Unit 5 50 5 8 Components Around the Process Unit 5 51 5 8 1 Removing the Pre Transfer Exposure LED 5 51 5 8 2 Removing the Developing Cylinder Decelerating Clutch 5 52 5 8 3 Removing the Developing Cylinder Clutch 5 53 5 9 Charging Wires 5 54 5 9 1 Outline 5 54 5 9 2 Removing the Wire Cleaner of the Primary Charging Assemb...

Page 16: ...Front Cover 5 89 5 18 2 Removing the Inside Upper Cover 5 90 5 18 3 Removing the Fixing Feeding Unit Cover 5 91 5 18 4 Removing the Rear Cover 5 91 5 19 Control panel 5 93 5 19 1 Removing the Control Panel 5 93 5 19 2 Removing the Control Panel Controller CPU PCB and the Control Panel In verter PCB 5 95 5 19 3 Removing the Control Panel PCB and the LCD Panel 5 96 5 20 Fans 5 98 5 20 1 Removing the...

Page 17: ...age Adjustment Basic Procedure 6 3 1 1 1 Making Pre Checks 6 3 1 1 2 Making Checks on the Printer Side 1 2 6 4 1 1 3 Making Checks on the Printer Side 2 2 6 5 1 1 4 Making Checks on the Scanner Side 6 6 2 Standards and Adjustments 6 9 2 1 Making Image Adjustments 6 9 2 1 1 Adjusting the Image Position for Printer Output 6 9 2 1 2 Adjusting the Image Position for Copier Output book mode 6 14 2 1 3 ...

Page 18: ... 6 35 2 4 18 Attaching the Timing Belt for the Manual Feed Tray Assembly Side Guide 6 35 2 4 19 Attaching the Drive Belts 6 36 2 5 Fixing System 6 37 2 5 1 Points to Note When Mounting the Fixing Heater 6 37 2 5 2 Adjusting the Lower Roller Pressure nip width 6 38 2 6 Laser Exposure System 6 39 2 6 1 Replacing the Laser Unit 6 39 2 6 2 Checking the Laser Power 6 40 2 7 Items Related to Electrical ...

Page 19: ...al line vertical thick fuzzy 6 84 3 3 9 The copy has a black line vertical fine 6 85 3 3 10 The copy has white spots vertical 6 86 3 3 11 The copy has white lines vertical 6 86 3 3 12 The copy has white spots horizontal 6 88 3 3 13 The back of the copy is soiled 6 89 3 3 14 The copy has faulty fixing 6 89 3 3 15 The copy has a displaced leading edge considerably large margin 6 90 3 3 16 The copy h...

Page 20: ...CB E711 0002 DC controller PCB E711 0003 Main controller PCB 6 124 4 1 56 E712 6 125 4 1 57 E713 6 125 4 1 58 E717 6 126 4 1 59 E732 6 126 4 1 60 E733 6 127 4 1 61 E737 6 127 4 1 62 E740 6 127 4 1 63 E741 6 128 4 1 64 E744 6 128 4 1 65 E800 6 128 4 1 66 E804 6 129 4 1 67 E805 6 129 4 1 68 E820 6 130 4 1 69 E823 6 130 4 1 70 E824 6 131 4 1 71 E830 6 131 4 1 72 AC power is absent 6 132 4 1 73 DC pow...

Page 21: ...ds 6 162 6 3 Motors 6 164 6 4 Fans 6 166 6 5 Sensor 1 6 168 6 6 Sensor 2 6 170 6 7 Switches 6 172 6 8 Counters Heaters Fuses and Others 6 174 6 9 PCBs 6 176 6 10 Variable Registers VR Light Emitting Diodes and Check Pins by PCB 6 178 6 10 1 Main Controller PCB 6 178 6 10 2 Reader Controller PCB 6 179 6 10 3 DC Controller PCB 6 179 6 10 4 HV DC PCB 6 180 7 Upgrading 6 181 7 1 Outline 6 181 7 1 1 Do...

Page 22: ...Starting Service Mode and Making Selections S 2 1 3 Ending Service Mode S 3 1 4 Backing Up Service Mode S 3 1 5 Basic Operation S 4 1 5 1 Initial Screen S 4 1 5 2 Level 1 Level 2 Items Screen S 4 1 5 3 Level 3 Items Screen S 5 2 COPIER S 6 2 1 DISPLAY S 6 2 2 I O S 23 2 3 ADJUST S 49 2 4 FUNCTION S 66 2 5 OPTION S 83 2 6 TEST S 101 2 7 COUNTER S 109 3 FEEDER S 116 3 1 DISPLAY S 116 3 2 ADJUST S 11...

Page 23: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 1 INTRODUCTION ...

Page 24: ...ty and high reliability 1 3 High Performance Controller Large Capacity Hard Disk for High Level Processing The iR controller processor controls multiple jobs parallel processing efficiently pro cessing data at high speed The 10 GB hard disk also serves as image memory for sorting A Box function has been expanded to enable storage of a large volume of data 1 4 Ease of Use The large size color touch...

Page 25: ...e or two points With the Saddle Finisher K3 K4 s saddle stitching function sheets may be stapled in the middle or may be folded for delivery With the Finisher K2 Saddle finisher K3 K4 and the Puncher Unit E1 F1 accessory holes 2 3 or 4 may be made in the sheets for delivery 1 7 High Level Printing Functions Supporting Uses on a Net work The addition of the Network LIPS Printer Kit B1 accessory wil...

Page 26: ...duction Charging Exposure Copy density adjustment Development Pickup Auto Manual Transfer Separation Cleaning Fixing Description Indirect electrostatic Corona charging Twin laser exposure Auto or manual Dry single component toner projection Paper deck 2 compartments right deck left deck Cassette 2 cassettes cassette 3 cassette 4 Manual feed tray 5 5 mm deep about 50 sheets of 80 g m2 paper Corona ...

Page 27: ... VI 1 0 865 Enlarge I 1 1 154 Enlarge II 1 1 224 Enlarge III 1 1 414 Enlarge IV 1 2 000 Enlarge V 1 4 000 Zoom 1 0 250 to 4 000 between 25 and 400 in 1 incre ments 6 min or less at 20 C 4 3 sec or less stream reading right deck Direct A4 LTR non ARE straight delivery fluorescent lamp pre activation 2 9 sec or less Book right deck Direct A4 LTR non ARE straight delivery fluorescent lamp pre activat...

Page 28: ...TR Plain paper 64 to 80 g m2 A3 B4 A4 B5 A5R A4R B5R 279 4 431 8 mm 11 17 LGL LTR LTRR STMT vertical feed Recycled paper 64 to 80 g m2 A3 B4 A4 B5 A5R A4R B5R 279 4 431 8 mm 11 17 LGL LTR LTRR STMT vertical feed Eco paper 80 g m2 A3 A4 A4R Colored paper Canon recommended B4 A4 A4R Thick paper 90 to 200 g m2 A3 B4 A4 B5 A4R B5R LTR LTRR 3 hole paper horizontal feed LTR LTRR Index paper A4 LTR Plain...

Page 29: ...5 A4R B5R LTR LTRR 3 hole paper horizontal feed LTR LTRR Plain paper 64 to 80 g m2 A3 B4 A4 B5 A5R A4R B5R 279 4 431 5 mm 11 17 LGL LTR LTRR STMT vertical feed Recycled paper 64 to 80 g m2 A3 B4 A4 B5 A5R A4R B5R 279 4 431 5 mm 11 17 LGL LTR LTRR STMT vertical feed Eco paper 80 g m2 A3 A4 A4R Tracing paper A3 B4 A4 B5 A4R B5R Transparency Canon recommended horizontal feed A4 A4R LTR LTRR Colored p...

Page 30: ... A4 B5 A4R B5R Colored paper Canon recommended B4 A4 A4R Postcard Jpn gvn 4 card horizontal feed only Label Canon recommended B4 A4 A4R LTR LTRR Thick paper 90 to 200 g m2 A3 B4 A4 B5 A4R B5R LTR LTRR 3 hole paper horizontal feed LTR LTRR Tab sheet A4 LTR Plain paper 64 to 80 g m2 A3 B4 A4 B5 A5R A4R B5R 279 4 431 8 mm 11 17 LGL LTR LTRR STMT vertical feed Recycled paper 64 to 80 g m2 A3 B4 A4 B5 ...

Page 31: ...9 4 431 8 mm 11 17 LGL LTR LTRR STMT vertical feed Recycled paper 64 to 80 g m2 A3 B4 A4 B5 A5R A4R B5R 279 4 431 8 mm 11 17 LGL LTR LTRR STMT vertical feed Eco paper 80 g m2 A3 A4 A4R Colored paper Canon recommended B4 A4 A4R Postcard vertical fee only Postcard Japan gvn double card Postcard Jpn gvn 4 card horizontal feed only Thick paper 90 to 200 g m2 A3 B4 A4 B5 A4R B5R LTR LTRR 3 hole paper h...

Page 32: ...nlarge Reduce 4 0 1 5 1 0 mm 4 5 1 8 mm Direct Reduce Reduce 2 5 1 5 mm 2 5 1 8 mm Direct Enlarge Reduce 2 5 1 5 mm 2 5 2 0 mm Yes 2 min standard may be changed between 0 and 9 min in 1 min incre ments No Yes 15 min standard may be changed in user mode to following 10 15 20 30 40 50 60 90 min 2 3 4 hr Yes 60 min standard may be changed in user mode to following 10 15 20 30 40 50 60 90 min 2 3 4 hr...

Page 33: ... 7 kW or less 81 dB or less 59 5 dB or less 0 05 ppm or less after 250 000 sheets 764 W 795 D 1137 H mm 280 kg approx including ADF Keep wrapped to avoid humidity Avoid direct sunshine keep at 40 C 85 or less Item Use Temperature range Environment Humidity range Atmospheric pressure Power supply 100 V 20 A 50 60 Hz 208 V 12 A 50 60 Hz 220 to 240 V 13 A 50 60 Hz Power consumption Maximum Noise Copy...

Page 34: ...7 210 mm A4R 62 B5R 257 182 mm B5R 72 A5R 210 148 mm A5R 85 Reduce II 50 0 A3 A5R A5R 85 III 61 1 A3 B5R B5R 72 IV 70 7 B4 B5R B5R 72 A3 A4R A4R 62 V 81 6 B4 A4R A4R 62 B5R A5R A5R 85 VI 86 5 A4 B5 B5 85 A3 B4 B4 50 Enlarge II 200 0 A5R A3 A3 43 III 141 4 A4R A3 A3 43 B5R B4 B4 50 IV 122 4 A4R B4 B4 50 A5 B5 B5 85 V 115 4 B4 A3 A3 43 B5 A4 A4 85 Copier delivery Auto paper selection ON Auto density...

Page 35: ... 7 279 4 431 8 mm LTRR 66 11 17 LTRR IV 73 3 279 4 431 8 mm LGL 51 11 17 LGL V 78 6 LGL LTRR LTRR 66 Enlarge II 200 0 STMTR 279 4 431 8 mm 42 279 4 431 8 mm 11 17 11 17 III 129 4 LTRR 279 4 431 8 mm 42 279 4 431 8 mm 11 17 11 17 IV 121 4 LGL 279 4 431 8 mm 42 279 4 431 8 mm 11 17 11 17 Cannot be used as an original for placement in the ADF Copier delivery Auto paper selection ON Auto density adjus...

Page 36: ...t Power supply Operating environment Description Separation roller Side tray Plain paper 64 to 80 g m2 A4 B5 LTR Recycled paper 64 to 80 g m2 A4 B5 LTR Eco paper 80 g m2 A4 Tracing paper A4 B5 Colored paper Canon recommended A4 Thick paper 90 to 200 g m2 A4 B5 LTR 3 hole paper LTR 385 mm high approx about 3500 sheets of 80 g m2 paper about 4000 sheets of 64 g m2 paper XCB A4 XCE LTR By size guide ...

Page 37: ...rts 3 1 External View F01 301 01 1 ADF 2 Control panel power switch 3 Original delivery tray 4 Main power switch 5 Manual feed tray 6 Right upper cover 7 Right lower cover 8 Waste toner case drum protection sheet case 9 Right deck 10 Left deck 11 Cassette 3 12 Cassette 4 13 Front cover 1 2 3 4 5 6 7 8 9 10 11 12 13 ...

Page 38: ...EV 0 MAR 2001 F01 301 02 1 2 3 4 5 6 9 10 9 10 7 8 Detailed view of 9 and 10 1 Copyboard glass 2 Control panel 3 Grip drum stop tool case 4 Service Book case 5 Feeding assembly releasing lever 6 Door switch assembly 7 Delivery cover 8 Parallel connector 9 Heater switch 10 Leakage breaker ...

Page 39: ...16 COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 3 2 Cross Section F01 302 01 1 34 35 36 37 38 39 40 41 42 43 44 14 15 16 17 18 19 21 22 23 24 25 26 27 28 29 30 31 32 33 2 5 3 4 6 7 8 9 10 11 12 13 20 ...

Page 40: ...p roller 19 Manual feed separation roller 20 Pre transfer exposure LED 21 Registration roller 22 Transfer charging assembly 23 Separation charging assembly 24 Right deck pickup roller 25 Right deck feeding roller 26 Right deck separation roller 27 Right deck 28 Cassette 3 pickup roller 29 Cassette 3 feeding roller 30 Cassette 3 separation roller 31 Cassette 4 pickup roller 32 Cassette 4 feeding ro...

Page 41: ...h and control panel power switch The machine is supplied with power when the main power switch is turned on to end power save mode low power mode or sleep mode turn on the control panel power switch F01 401 01 1 Control panel power switch 2 Main power lamp 3 Main power switch 3 Counter Check Display Contrast Reset Guide Additional Function Energy Serve Start Stop Power Error Clear Processing Data ...

Page 42: ...e Contrast dial 3 Power Save key 4 Control panel power switch 5 Stop key 6 Main Power lamp 7 Start key 8 Clear key 9 Error lamp 10 Keypad 11 Operation Memory lamp 12 ID key 13 User Mode key 14 Guide key 15 Reset key 16 Touch panel display 17 Clip dent 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Counter Check Display Contrast Reset Guide Additional Function Energy Serve Start Stop Power Error Clear P...

Page 43: ... to add a sheet of paper between transparencies Use it to enlarge a single original into 2 or 4 automatically to copy on selected separate sheets of paper Use it to create a binding margin along a side of the copy Use it to make copies of originals of different sizes but of the same feeding width each copy of the size suited to its respective original Use it to print originals placed separately by...

Page 44: ...one Error Tone Job Done Tone for each On Off On Off Copy Printer Mail Box Other Bypass On Off each cassette On Off Consider Paper Type On Off Paper Deck left right Side Paper Deck Plain Recycled Color Heavy Tracing Pa per Cassette 3 4 Plain Recycled Color Heavy Tracing Paper Tab Paper 10 25 50 None Low High Tray A copier printer other Tray B copier printer other 1 copier priority 2 printer 3 other...

Page 45: ...t tom Left Top Right Bottom Right Double left right with Finisher K2 Saddle Finisher K3 in stalled non sort Collate Offset Collate Group Offset Group Staple corner Top Left Bot tom Left Top Right Bottom Right Double left right Hole Punch with Saddle Finisher K3 Paper Folding Unit C1 installed non sort Collate Offset Collate Group Offset Group Staple corner Top Left Bot tom Left Top Right Bottom Ri...

Page 46: ... Start position 2 0 to 2 0 mm 0 25 mm incre ments 0 mm A3 11 17 B4 A4R LTRR 70 to 150 mm 1 mm increments 120 mm 2_3 4 to 5_7 8 inch 1 16 inch increments Light Dark 9 steps 5 steps Start Start Box No 0 to 99 Store Box Name Password Doc Auto Erase 1 2 3 6 12 hr 1 2 3 7 30 days none 3 days Initialize On Off Store Initialize Print Level 2 item Data Time Settings Auto Sleep Tme Auto Clear Time Time Unt...

Page 47: ...evice name Location TCP IP Settings IP Address Setting DNS Server Setting PING Command WINS Configuration LPD Banner Page NetWare Setting Use NetWare On Off AppleTalk Setting Use AppleTalk On Off SMB Setting Server Printer Workgroup Comment LM Announce On Off Startup Time Settings 0 to 300 sec 60 sec Ethernet Driver Settings Auto Detect On Off Communication Mode Ethernet Type MAC Address Level 2 i...

Page 48: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 2 NEW FUNCTIONS ...

Page 49: ...r PCB CCD AP PCB Laser driver PCB Reader controller PCB Laser scanner Original Original illumination Optical path Charging Development Transfer Pickup control Manual feed tray Cleaning Lower feeding assembly Cassette 3 Feeding Separation Fixing Photosensitive drum Cassette 4 Hard disk Original Exposure Block Control Image Processing Block Laser Exposure Block Pickup Feeding Block Image Formation B...

Page 50: ...iver PCB 2 Laser driver PCB 1 Pixel line conversion PCB J507 J526 J510 J516 J516 J516 BD PCB AC driver PCB Main power switch J505 J519 J1551 J1022 J1017 J1024 J105 J1452 J1451 J3701 J1532 J1530 J1022 J1020 J1712 J1718 J1716 J1726 J1701 J701 J1706 J782 J781 J783 J1014 J1015 J9201 J1104 J9202 J1107 J1108 J1502 J1503 J802 J1002 J1102 J1901 J1103 J1109 J1109 J1018 J6801 J6602 J6601 J6605 J6807 J6806 J...

Page 51: ...ation 2 8 Side Paper Deck GP605 iR600 base accommodation of higher speed 2 5 Pickup Feeding System GP605 iR600 base accommodation of higher speed accommodation of index sheet 2 6 Fixing System fixing roller diameter 60 mm upper 50 mm lower 200 C temperature control curl reduction 2 7 Externals Auxiliary Controls Color 1 1VGA control panel 2 1 Original Exposure System GP605 iR600 base high speed re...

Page 52: ...CHAPTER 2 NEW FUNCTIONS 2 4 COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 ...

Page 53: ...enlarge reduce images thereby increasing scanning speed while allowing the scanner motor to operate at the range of speed of the GP605 iR600 When the ADF is used the copying operations will normally be in stream reading mode at a 200 to 400 ratio however fixed mode will be used In book mode all copying operations will be fixed mode Digital processing is used in combination under the following cond...

Page 54: ... cooling fan to prevent overheating of the scanner motor 1 Scanner motor cooling fan 2 Scanner motor F02 201 01 The fan is used to cool the scanner motor in conjunction with fixed mode used under spe cific conditions as follows Operating mode Fan rotation control Stream reading or stand by at rest Fixed mode for reduction between 60 and 68 9 full speed Fixed mode other than above half speed 2 1 ...

Page 55: ...ersity control PCB 6 Reader controller PCB 3 Fluorescent inverter PCB 7 Laser scanner motor driver PCB 4 Scanner motor driver PCB 8 CCD AP PCB F02 201 02 The reader controller PCB is arranged where the image processor PCB was located in the past The reader controller PCB is connected with the main controller PCB by means of a communication cable inside the machine as such the reader unit may be co...

Page 56: ...e it The state open closed of the ADF is checked with refer ence to the states of these two sensors If for some reason the state of the ADF sensor can not be checked the state of the sensor in its host machine will be used as in the case of the GP605 iR600 F02 201 03 When the ADF Is Opened The ADF s sensor goes ON when it is lifted to 5 or more 1 causing the host machine to assume that the ADF is ...

Page 57: ... after the sensor in the host machine goes ON Based on this assumption the state of the sensor when the sensor in the host machine goes ON and the state of the original size sensor 3 sec thereafter are compared to find out the size of the original placed on the copyboard glass This also means that if the user fails to close the ADF within 3 sec after the sensor in the host machine has gone ON the ...

Page 58: ...etected the presence of dust will be assumed When the presence of dust is detected the present stream reading point is cleared and dust detection is executed by returning to the point of reference on the left edge If dust is detected the stream reading position is shifted by a single point 0 5 mm to the right and dust detection is executed once again If no dust is detected at the new point the sel...

Page 59: ... occurs dust detection will not be executed at the end of a job If the job is cancelled dust detection will be executed at the end of the job F02 201 07 Any of the following conditions can cause the Clean message to appear in the absence of dust on the glass The feeding belt of the ADF is excessively solid CCD ADJ or LUT ADJ is not executed properly If such is the case clean the belt and execute C...

Page 60: ...CHAPTER 2 NEW FUNCTIONS 2 14 COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 ...

Page 61: ...y line in main scanning direc tion F02 202 01 shows the functional construction related to the image processing system F02 202 01 The functions of each PCB of the image processing system are as follows 1 CCD AP PCB drives the CCD processes analog images executes A D conversion 2 Reader controller PCB executes shading correction executes auto density cor rection converts image data 4 channels 2 cha...

Page 62: ...by half and ultimately enabling high speed reading The image data comes in four channels even number pixels from first half odd number pixels from first half even number pixels from last half and odd number pixel from last half The CCD data is transferred as shown in F02 202 02 F02 202 02 Direction of charge transfer Direction of charge transfer Direction of charge transfer Direction of charge tra...

Page 63: ... the gain at the joint between the first half and the last half The new parameters occurring after adjustment will all be stored in the SRAM of the reader controller PCB Adjustments may be any of the following three in service mode A CCD Shading Correction COPIER FUNCTION CCD CCD ADJ By executing CCD shading correction as in the GP605 iR600 B CCD Gain Simple Correction COPIER FUNCTION CCD LUT ADJ ...

Page 64: ... number pixel analog image signal 4 Last half odd number pixel analog image signal 5 First half even number pixel analog image signal 6 First half odd number image digital image signal 7 Last half even number pixel digital image signal 8 Last half odd number pixel digital image signal F02 202 03 CCD Analog signal processing block Gain correction Offset correction A D conversion A D conversion Anal...

Page 65: ...f even number pixel digital image signal 2 First half odd number pixel digital image signal 3 Last half even number pixel digital image signal 4 Last half odd number pixel digital image signal 5 Even number pixel digital image signal 6 Odd number pixel digital image signal F02 202 04 Gain offset correction data EEP ROM SRAM CPU IC CCD AP PCB Reader controller PCB 10bit 10 10 10 8bit 8 Target value...

Page 66: ...ollowing reducing the waste and increasing the productivity as by eliminating the time for additional detection Position of the margin for binding Position of the staple Direction of layout in reduced image composition mode F02 202 05 Reader controller PCB Flash ROM Text area detection block Text data storage block Text orientation detection block Image data The language dictionary is stored here ...

Page 67: ...ns the photosensitive drum by running a beam in main scanning direc tion to create static latent image A pair of lasers laser A laser B is used for scanning twin laser exposure F02 203 01 and T02 203 02 shows the basic construction of the laser exposure system F02 203 01 Photosensitive drum BD PCB BD mirror 8 facet mirror Laser scanner motor Collimating lens Laser unit Laser mirror Laser driver PC...

Page 68: ...r scanner motor M4 Polygon mirror BD mirror BD PCB Laser driver PCB Laser scanner motor PCB Description specifications Visible laser light about 675 nm in wave length 7 mW in output twin laser exposure DC motor 2 speed control rotation at 40000 rpm 8 faceted Laser beam detection Laser activation control Rotation control of the laser scanner motor ...

Page 69: ... made in the image formation system include the following Photosensitive drum Pre transfer exposure LED addition Developing unit overheating preventive mechanism For other items see T02 204 01 comparison table F02 204 01 Toner cartridge Developing assembly Hopper Dust collecting roller Pre transfer charging assembly Transfer guide Transfer charging assembly Separation charging assembly Cleaner uni...

Page 70: ...e length of the light emitted by the pre exposure lamp is 660 nm made shorter to eliminate residual charges and to ensure a specific volume of charge In addition to make up for the possible decrease in the power of separation caused by a higher process speed the following pre transfer exposure LED is used Cylinder rotation Main motor Drum rotation Scanner motor Scanning lamp Pre exposure Primary c...

Page 71: ...background poten tial is reduced by removing charges and the static bond between the photosensitive drum and the transfer medium is weakened to facilitate separation Wave length 700 nm Timing of activation The LED is kept ON between a point in time 100 msec before the leading edge of the image reaches the point of light emission of the LED and a point in time when the trailing edge of the image mo...

Page 72: ...e developing cylinder cover Using 2 speed drive of the developing cylinder 2 4 6 Development Fan To prevent overheating of the developing assembly 1 the machine is equipped with a developing fan 2 at its front See 2 7 1 Fan 2 4 7 Revising the Developing Cylinder Cover The developing cylinder cover 3 is given a heat sink shape to promote the discharge of heat In addition a heat pipe 4 is laid behin...

Page 73: ...CHAPTER 2 NEW FUNCTIONS 2 33 COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 F02 204 03 4 3 1 2 ...

Page 74: ...te moisture content in the air of 16 g kg The machine switches to low speed if either of the slice levels is exceeded while the developing cylinder is not rotating following the measurement by the environment sensor initiated in response to a pickup com mand The switching clutch is arranged as shown in F02 204 04 and the gear is engaged to change the drive from the main motor for standard speed de...

Page 75: ...B J302 MM FG 0V MM ON 5V 0V J514B J516B M1 M18 CL4 CL20 Hopper inside toner feed motor Magnet roller drive clutch Magnet roller Toner feed screw Toner stirring screw Main motor Developing cylinder clutch Developing cylinder Deceleration clutch Developing cylinder CL1 DC controller 24VU DEV CL ON HM HM MGR CL ON 24VU 11 12 13 14 1 7 8 1 2 3 4 11 12 1 2 3 4 5 6 7 14 1 11 12 13 14 When 0 the clutch g...

Page 76: ...CHAPTER 2 NEW FUNCTIONS 2 36 COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 ...

Page 77: ...x Sheet Attachment The machine allows the use of index sheets as a transfer medium Its user mode provides index sheet mode and the installation of an Tab Feeding Attach ment A1 accessory enables insertion of an index sheet between sheets index sheet insert mode or printing on the index areas index production mode The index cassette 3 4 selected on the control panel will be used as the source of in...

Page 78: ...CHAPTER 2 NEW FUNCTIONS 2 40 COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 ...

Page 79: ...ng Controlling the fixing temperature to 198 C also in feeding Increase in the power of the fixing heater For others see T02 206 01 comparison table F02 206 01 and F02 206 02 show the major components of the fixing system F02 206 01 Cleaning web unit Cleaning web Main thermistor TH1 Sub thermistor TH2 Thermal switch TP1 Inlet guide Upper fixing roller Lower fixing roller Separation claw ...

Page 80: ...ter H1 100V model 1000 W 208V model 900 W 230V model 965 W Sub heater H2 100V mode 400 W 208V model 600 W 230V model 645 W Main thermistor TH1 Temperature control error detection Sub thermistor TH2 Error detection Thermal switch TP1 Operating temperature 228 C Cleaning web Driven by the web drive solenoid SL2 Large size B4 or larger goes ON twice Small size smaller than B4 goes ON once Inlet guide...

Page 81: ...l power supply switch ON 190 C 200 C 198 C 195 C 190 C 198 C Start key ON Controlled to 198 C Controlled to 198 C Passage of paper decreases the temperature To recover to 198 C in a short time both main and sub heaters are turned on WAIT indicator Red Red Green Fixing motor M3 Main heater H1 Sub heater H2 SLEEP WMUP WMUPR STBY INTR PSTBY PRINT LSTR STBY Main power switch ON Control panel power sup...

Page 82: ...he sequence of operations in transparency mode F02 206 04 COPIER OPTION BODY OHP TEMP switching of temperature setting in transparency mode 0 198 C default 1 193 C 2 188 C 3 183 C WAIT mode Green Green Red Fixing motor M3 Main heater H1 Sub heater H2 STBY INTR PRINT LSTR STBY Transparency mode selected Start key ON 193 C 205 C 200 C 198 C 193 C Temperature of transparencies Controlled to 198 C Con...

Page 83: ... the surface tem perature of the fixing roller when thick paper is moved past If thick paper is selected as paper type in user mode common settings the sequence for thick paper mode will be used COPIER OPTION BODY FIX TEMP setting the down sequence start temperature thick paper mode Setting 70 cpm 60 cpm Suspend Resume 0 194 C 193 C 183 C 198 C 1 189 C 188 C 178 C 193 C 2 184 C 183 C 173 C 188 C ...

Page 84: ...mption F02 206 05 shows the se quence of operations in transparency mode F02 206 05 Main heater H1 Sub heater H2 Rage of saving of 25 Rate of saving of 50 198 C 195 C 170 C 105 C STBY SLEEP STBY WMUP Power save mode selected in user mode Power save key ON Power save key OFF 195 C 198 C Controlled according to rate of saving Controlled to 198 C Controlled to 198 C Omits WMUPR Returns to normal temp...

Page 85: ... 206 06 DC controller PCB J508B 1 7 8 10 20 S TEMP 0V 0V M TEMP Voltage according to the reading of the main thermistor Upper fixing roller Main heater Sub thermistor Main thermistor Thermal switch 9 J505A 0V 0V MHDTC SHDTC ZEROCROSS 100 200V detect SH ON MH ON J512A 24V Relay OFF Voltage according to the reading of the sub thermistor Turns off the AC line at 228 C RLY Relay Front cover AC driver ...

Page 86: ...C 178 C 173 C 188 C Setting 1 default 178 C 173 C 168 C 183 C Setting 2 173 C 168 C 163 C 178 C Main heater H1 Sub heater H2 Copy speed 198 C 193 C 188 C 183 C 178 C 173 C 168 C 165 C 160 C 85cpm 85cpm 70cpm 60cpm Interrupt STBY PRINT PRINT STOP Start key ON Dropped to 70 cpm as soon as 178 C is reached Dropped to 60 cpm as soon as 173 C is reached Printing is interrupted at 168 C Printing is resu...

Page 87: ...hows the arrangement of the machine s fans and the directions of current T02 207 01 shows the names and the functions of the fans The following fans are newly used 15 Development fan FM15 16 System fan FM16 17 Deliver adhesion proofing fan FM17 18 Scanner motor fan FM20 F02 207 01 2 3 5 6 1 10 11 12 14 15 18 17 16 7 8 13 9 4 ...

Page 88: ...of the wire in the primary charging assembly To discharge heat from around the fixing assembly To cool the laser scanner unit To cool the copyboard glass in stream reading mode To cool the laser driver PCB To cool paper To draw paper to the feed belt To draw and cool ozone and stray toner from around the drum To cool the control panel in verter To discharge ozone from around the pre transfer charg...

Page 89: ...he higher speed When error occure or open the door any fan keep going Fans Operating in Relation to the State of the Printer Unit F02 207 02 Main power switch ON State of printer unit Initial multiple rotation Standby Copying After C standby others After C standby H Hor29 upper Printing Primary charging assembly fan FM1 Fixing heat discharge fan FM2 Scanner cooling fan FM3 Laser driver cooling fan...

Page 90: ...s Operating in Relation to the State of the Scanning Lamp F02 207 03 Main power switch ON State of scanning lamp Scanner cooling fan FM3 Stream reading fan FM4 Inverter cooling fan FM9 Power supply cooling fan 1 2 FM11 FM12 full speed half speed Lamp ON Lamp OFF Standby Jam Pre heat Scanner ON Scanner OFF ...

Page 91: ...sic sequence of operations while F02 208 03 shows the control mechanism The differences from the GP605 iR600 are found in relation to the machine s higher speed of operation as found in the higher rotation speed of the motor F02 208 01 M102 Copy paper M101 Deck pickup roller Deck pickup feeding roller Deck separation roller Lifter Deck lifter motor Deck main motor Deck open detecting switch SW101 ...

Page 92: ...r releasing solenoid SL101 Deck pickup sensor PS101 Deck feed sensor PS106 Deck feed clutch CL101 PS106 J512 J228 PS101 CL101 CL102 M101 SL101 Deck feeder clutch driver signal DPFCD DC controller PCB body Deck driver PCB Deck feed detection signal DPFD Deck pickup clutch driver signal DPUCD Deck pickup roller releasing solenoid drive signal DPRSD Deck main motor drive signal Deck pickup detection ...

Page 93: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 3 MAIN CONTROLLER ...

Page 94: ...00 REV 0 MAR 2001 1 Basic Operation 1 1 Functional Construction The machine may be divided into the following functional blocks and the controller unit belongs in the shaded block F03 101 01 Control panel Printer unit Main controller PCB Reader unit HDD Accessory boards Controller unit ...

Page 95: ...ated near the CPU 1 2 2 Main Controller PCB T02 102 01 Functions of the Control Components 1 2 3 Hard Disk Drive T03 102 02 Name Description CPU Controls the image data input from the reader unit Controls the image data output to the printer unit Controls the network interface DMA controller PCI interface ROM and RAM interface RAM Stores program data and temporarily stores image data DIMM ROM Stor...

Page 96: ...3 COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 F03 102 01 Arrangement of the Major PCBs Main controller PCB Printer unit Reader unit Control panel IC1010 CPU RAM Accessory board IC6501 CPU DIMM ROM HDD ...

Page 97: ...m software from the hard disk to the SDRAM fitted to the DIMM socket on the main controller PCB This is why it takes a little time before the control panel becomes ready after the main power switch is turned on While the CPU reads the system software from the hard disk to the SDRAM the control panel shows the following screen and the progress of executing the start up sequence is in dicated using ...

Page 98: ... the boot ROM The program is used to check the condition of the SDARM and the hard disk if an error is found the fact will be indicated on the control panel in the form of an error code F03 103 02 E601 0000 0001 Indicates an error in the image transfer data E602 0001 0002 Indicates a write read error Self diagnosis program Boot program Boot ROM CPU SD RAM System area Image data area Main controlle...

Page 99: ...that the machine is ready to accept a job The machine s system software consists of multiple modules and those modules that are needed at a time are called into the system area of the SDRAM for execution F03 103 03 1 3 3 Composition of the System Software The machine s system software can broadly be divided into system modules for control and language modules for LCD indication Upgrading of the sy...

Page 100: ...it Printer unit HDD Reader unit Differntial PCB Card Reader C1 accessory Copy Data Controller accessory Pixel Line Conversion PCB J1024 J1022 J1015 J1017 J6801 J1018 J1104 J9202 J9201 J1551 J1532 J1451 J1014 J1530 LCD panel LCD Inverter PCB Control panel CPU PCB J6808 J6807 J6804 J6803 J6802 J6605 J6901 J6601 J6805 J6602 J1 J3 Key B PCB Key A PCB J6806 Key C PCB Note The in the diagram indicates m...

Page 101: ...rection LUT Binary processing error diffusion method text text photo print photo Image memory control Binary processing dither screen method film print 8 Density correction γ conversion 8 8 8 Edge emphasis 1 Compression expansion rotation enlargement reduction SDRAM I O control HDD Image server 4 or 2 Thickening 4 or 2 1 Smoothing 1 Binary binary density conversion Printer unit Printer PG 1 8 8 Ma...

Page 102: ... reversal slant mirror fold repeat 2 2 5 Density Conversion LUT In this block the intensity signal is converted into a density signal and processing is ex ecuted so that the best output density curve for each mode may be obtained a LOG Conversion With reference to the LOG conversion table the intensity signal based on reflected light is turned into a destiny signal based on deposited toner b Densi...

Page 103: ...used for storage of image data for the Box function 2 4 Processing Output Image The output image data to be sent to the printer unit is processed as follows 2 4 1 Smoothing a Output of the Read Image In the case of text or text photo mode the input image of 600 600 dpi is subjected to smoothing thereby expressing it at a resolution of 1200 equivalent 600 dpi In smoothing the image data is compared...

Page 104: ...ER 3 11 COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 2 4 3 Binary Binary Density Conversion read image output only This is used as an auxiliary means of density adjustment during copying operation ...

Page 105: ... The counter operates in a total of 16 modes 8 large size mode and 8 small size mode the following shows the basic counter modes 1 At time of shipment from the factory B4 or smaller to count B4 as large size the set ting may be changed in service mode 2 The machine is not equipped with a fax function so that fax reception pages are not counted T03 300 02 Copying printing operation Sensor used Sing...

Page 106: ...s of the counter may be changed or the display of the counter may be enabled disabled in service mode However the specifications of the counter 1 can not be changed T03 300 03 Counter Description 1 Default indication Default setting 2 100 V 208 230 V Counter 1 Total A to L ON ON Fixed Counter 2 Total large ACEGIK OFF ON May be changed Counter 3 Copy 1 ABGH OFF ON May be changed Counter 4 Copy 1 la...

Page 107: ...ht 5 V and 24 V T03 402 01 4 3 Standby Mode normal operation In standby mode the machine is in operation or is ready to start normal operation in this sense almost all components of the machine are supplied with power Not only the main controller PCB but also the reader unit printer init and control panel are all supplied with power and ready for communication and control 4 4 Power Save Mode All c...

Page 108: ...controller PCB is at rest stopping the program and waits for an interrupt thereby reducing the power consumption This mode is used only when the machine is used as a printer equipped with a network option and a PDL print option 4 6 1 Shift from Standby Mode standby sleep A shift is made from standby mode to sleep mode under the following conditions When the control panel switch soft switch is turn...

Page 109: ...has passed 4 7 2 Shift from Low Power Mode low power off mode A shift is made from low power mode to off mode under the following conditions When the control panel power switch soft switch is turned turned off When low power mode has continued for a specific period of time and the selected time interval may be changed in user mode has passed 4 7 3 Return to Standby Mode off mode standby In off mod...

Page 110: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 4 INSTALLATION ...

Page 111: ...ar a water faucet water boiler humidifier and refrig erator 3 The site must not be near a source of fire or subject to dust or ammonium gas Avoid ar eas exposed to the direct rays of the sun otherwise provide curtains 4 The site must be well ventilated The level of ozone generated by the machine in opera tion should not affect the health of the individuals around it However some may find its odor ...

Page 112: ...the exhaust of one will not be drawn into an other Do to place the machine to block the air inlet of the room F04 100 01 In general the silicone gas silicone oil evaporating from the fixing assembly gener ated by a copier tends to soil the corona charging wire reducing the life of the charg ing wire This is particularly true of a low humidity environment F04 100 02 Exhaust Wrong 1 Wrong 2 ...

Page 113: ...e Work Space Refer to the following diagrams for an idea of how much space is needed for servicing work Copier Finisher F04 100 03 Copier Finisher Side Paper Deck F04 100 04 250 cm min 120 cm min 10 cm min 50 cm min Copier 200 cm min 50 cm min 310 cm min 120 cm min 10 cm min 110 cm min Copier 200 cm min 50 cm min ...

Page 114: ...ed into or out of the user s along stairs observe the following a Remove the ADF fixing feeding unit holding tray assembly and copy paper and carry them separately from the machine b When lifting the machine do not grab the grips on the pickup delivery assembly rather hold it by its four bottom corners 3 Shift up the two adjusters front on the bottom of the machine to make sure that they are unloc...

Page 115: ...02 02 F04 202 03 1 Unpack the copier Remove the two grips front rear on the left of the machine and shift up the grips 2 Take out the grip from the shipping box 3 Remove the grip cover rear from the right of the machine and shift up the grip at the rear Grip covers Grip rear Grip front Grip Grip Grip cover Step Work Checks remarks ...

Page 116: ...he pad Likewise holding the grip on the delivery side of the copier lift the machine slightly and remove the pad Remove the plastic bag at the same time F04 202 05 Step Work Checks remarks 4 Open the right upper door and slide the face cover small to the rear to detach then detach the face cover large Insert the grip taken out in step 2 into the front F04 202 04 Face cover small Face cover large G...

Page 117: ...NC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 4 7 CHAPTER 4 INSTALLATION Step Work Checks remarks F04 202 06 6 Shift up the two adjusters front on the bottom of the copier to make sure that they are unlocked F04 202 07 ...

Page 118: ...pins 1 each Holding the grip front rear of the copier slide the copier along the slopes off the skid The pins are found attached to the slope plates 9 Take out the parts and auxiliary materials from the cardboard box Check to make sure that none of the attachments is missing F04 202 09 7 Slide out the two slope plates from the center of the skid F04 202 08 Step Work Checks remarks Skid Slope plate...

Page 119: ...cover 11 Mount the face covers removed from the right and the left Before starting the next step check for condensation on the inside and the outside of the copier if found stop the work and wait unit the machine be comes used to the room temperature Remove the work after making sure that the machine is free of condensa tion Step Work Checks remarks Open the compartment Grip Front door ...

Page 120: ...1 Remove the packing tape from the copier 2 Open the ADF Remove the copyboard glass protection pad 3 Slide the scanner fixing to the front to detach When moving the machine the scanner must be secured in place Store away the fixing for possible relocation F04 203 01 Step Work Checks remarks Scanner fixing Tape Slide to detach ...

Page 121: ...t cover 2 Remove the tag and the tape from the front of the inside cover Shift down the fixing feeding assembly lever in the direction of the arrow left to free the transfer separation charging assembly Slide out the fixing feeding unit to the front F04 204 01 F04 204 02 Step Work Checks remarks Tape Tape Tag Fixing feeding assembly releasing lever ...

Page 122: ...ALLATION 3 Remove the tag and the separation releasing member from the top of the fixing feeding unit Be sure to remove all foreign matter and residual glue of the tape from the feeding belt F04 204 03 F04 204 04 Step Work Checks remarks Fixing feeding unit Tape Separation releasing lever Tag ...

Page 123: ...iR8500 REV 0 MAR 2001 4 13 CHAPTER 4 INSTALLATION 4 Remove the tape used to keep the tag in place then remove the two fixing nip pressure screws from the front and the rear of the top of the fixing feeding unit F04 204 05 Step Work Checks remarks Screws ...

Page 124: ...ration charging assembly front cover 2 Remove the fixing 1 screw and disconnect the connector While pushing down on the front and the rear of the transfer separation charging assembly pull it toward the front then detach it in the left upper direction Use alcohol to clean the transfer separation charging wire F04 205 01 F04 205 02 Screw Transfer separation charging assembly front cover Connector F...

Page 125: ... avoid cutting it Be sure that the grounding plate is outside the charging assembly frame See the figure on the right 4 Connect the connector of the transfer separation charging assembly and fit the fixing 5 Mount the transfer separation front cover with a screw Push in the fixing feeding assembly to lock it in place 6 Remove the screw and detach the primary charging assembly front cover F04 205 0...

Page 126: ...charging wire and the grid wire with alcohol 8 Remove the screw and detach the pre transfer charging assembly front cover 9 Disconnect the connector and unlock the pre transfer charging assembly then detach the charging assembly Clean the pre transfer charging wire with alcohol F04 205 05 F04 205 06 F04 205 07 Connector Lock Primary charging assembly Screw Pre transfer charging assembly front cove...

Page 127: ...olvent is completely dry 11 Keeping it unlocked insert the pre transfer charging assembly and connect the connector Check to make sure that the solvent is completely dry Check to make sure that the one way arm of the pre transfer changing assembly is on the eccentric cam 12 Mount the primary charging assembly cover and the pre transfer charging assembly cover with one screw each 13 Close the front...

Page 128: ...ng box Turn the developing assembly cylinder gear by hand to check the cylinder for scratches 3 Holding the middle pocket for a grip of the developing assembly mount it to the machine Connect the tow connectors When mounting the developing assembly insert it from above taking care not to bring the developing cylinder into contact with the metal plate of the developing assembly base F04 206 02 F04 ...

Page 129: ... 4 19 CHAPTER 4 INSTALLATION 5 Attach the door tape of the manual feed tray door with one screw Step Work Checks remarks 4 Secure the developing assembly locking unit with six screws that come with it M4 6 black F04 206 04 Screw Screws Screw Developing assembly locking unit ...

Page 130: ...he lever in the direction of the lever then detach the pickup roller releasing spacer F04 207 01 2 Open the right upper door and the right lower door then press the releasing button of the front lower door and the cassette 3 4 and slide the cassette halfway 3 Remove the three pickup roller releasing spacers Step Work Checks remarks Pickup roller releasing spacer Pickup roller releasing spacers ...

Page 131: ...0 2000 CANON iR8500 REV 0 MAR 2001 4 21 CHAPTER 4 INSTALLATION 4 Secure the deck pressure plate found in the shipping box to the front deck left with a screw M4 8 F00 207 03 Step Work Checks remarks Screw Deck pressure plate Front Deck left ...

Page 132: ...000 2000 CANON iR8500 REV 0 MAR 2001 4 22 CHAPTER 4 INSTALLATION Step Work Checks remarks 2 8 Supplying Toner F04 208 01 1 Take out the toner cartridge from the shipping box 2 Remove the fixing tape F04 208 02 Toner cartridge Fixing tape ...

Page 133: ... the hopper cover F04 208 04 F04 208 03 3 Open the hopper cover and insert the toner cartridge from the front of the copier Be sure to insert the toner cartridge so that its marking matches the marking of the copier Step Work Checks remarks Insert up to this point Toner cartridge Hopper cover Toner cartridge ...

Page 134: ... Fit the ADF connector to the socket in the back of the copier 2 With the ADF open mount the ADF original tray with two RS tightening screws M4 8 To mount the tray fit the hook of the ADF original tray in the groove of the copier and slide it to the left then secure it in place with screws F04 209 01 F04 209 02 Connector Hook Screws ADF original tray ...

Page 135: ...king M A4 A3 Fit the non Inch member found in the shipping box in the hole indicated as follows A STMT R H LTR R Perform this step only if Inch series sheets are not used F04 210 01 3 Memo To fit the index paper attachment perform the following steps step 3 through 5 Detach the sheet 2 3 from the mounting sheet 1 then attach the mounting sheet as indicated in the figure F04 210 02 4 4 Place the in...

Page 136: ...ttach the appropriate cassette size sticker to suit the user s needs F04 211 01 Adjust the contrast of the display on the control panel using the contrast dial for the best viewing ease and advise the user on how to use the dial Check that the Add Paper indicator has gone on Press the keys on the numeric keypad and the Clear key to find out if copy counts are indicated correctly 1 Connect the powe...

Page 137: ...uction of stable images Make the following selections COPIER TEST PG PICK Select the source of paper containing A3 and press the OK key 3 for cassette 3 or 4 for cassette 4 Make the following selections COPIER TEST PG PG TYPE Enter 6 and press the OK key 6 for PG TYPE solid black Press the Start key to generate a solid black print A3 Check the output and wait for about 5 sec then press the Start k...

Page 138: ...e copyboard glass and make copies then check the images on the copies The first 10 or so copies may show soiling by toner dropping from the drum separation claws It however should disappear as more and more copies are made Check to make sure that the pickup operation is normal from each cassette 8 Make copies in double sided mode to see if operations are correct 9 Set the standard mode using user ...

Page 139: ...4 212 01 3 Remove the screw from the left right guide plate and fix the guide plate in place to suit the needs of the user F04 212 02 Right deck COPIER OPTION SCT P SZ C1 Left deck COPIER OPTION CST P SZ C2 A4 6 B5 15 LTR 18 Step Work Checks remarks Guide plate Screw Guide plates Screws 4 Put paper in the deck 5 Attach the new size sticker to the paper size plate of the deck 6 Slide the deck into ...

Page 140: ...o adjusters front on the bottom of the machine to make sure that they are unlocked They can slip out during transportation pro vide measures to avoid losing them C Remove the accessories e g side paper deck finisher when moving the machine 1 Make a single copy in Direct 2 Remove all paper from all cassettes 3 Turn off the power switch and disconnect the power plug 4 From the left cover side fix th...

Page 141: ...ter the lowest number 1 through 2001 As many as 1000 cards may be used starting with the one assigned the lowest number 2 Turn off the copier s main power switch and disconnect its ower plug 3 Open the front cover 1 4 Shift down the fixing feeding lever and slide out the fixing feeding unit 2 5 Open the toner cartridge cover 3 F04 401 01 4 Installing the Card Reader D1 4 1 Installing the Card Read...

Page 142: ...0 REV 0 MAR 2001 4 32 CHAPTER 4 INSTALLATION F04 401 03 7 Remove the inside cover upper 1 5 screws 2 disconnect the two connectors 3 from the middle in advance Step Work Checks remarks 2 2 1 6 Remove the inside cover process unit 1 4 screws 2 F04 401 02 2 1 ...

Page 143: ...2000 2000 2000 CANON iR8500 REV 0 MAR 2001 4 33 CHAPTER 4 INSTALLATION 8 Remove the card reader case 1 from the top of the machine 1 screw 2 9 Remove the face plate 1 F04 401 05 F04 401 06 Step Work Checks remarks F04 401 04 3 1 2 1 ...

Page 144: ...8500 REV 0 MAR 2001 4 34 CHAPTER 4 INSTALLATION F04 401 07 F04 401 08 10 Mount the card reader 1 to the card reader case 4 self tapping screws 2 11 Mount the grounding wire to the card reader case plate 1 1 screw w washer Step Work Checks remarks 1 2 2 1 ...

Page 145: ...rd reader case to the copier 1 screw 1 Take care not to trap the harness in the area indicated with a dashed line 14 Mount the inside cover upper 5 screws connect the 2 connectors removed previously 15 Mount the inside cover process unit 4 screws 16 Close the toner cartridge 17 Put back the fixing feeding unit and set the fixing feeding lever 18 Close the front cover 19 Connect the power plug of t...

Page 146: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 5 MAINTENANCE AND INSPECTION ...

Page 147: ...placed Parts Some parts of the machine must be replaced on a periodical basis to maintain a specific level of machine performance replace them as indicated Once they fail the machine per formance will be appreciably affected If possible plan the replacement so that it will coincide with a periodical servicing visit for the machine ...

Page 148: ...r 1 FF5 6883 1 500 000 10 Transfer charging wire cleaner 2 FF5 6884 1 500 000 11 Separation charging wire cleaner FF5 7891 1 500 000 12 Transfer charging wire cleaner FF5 9552 1 500 000 13 Ozone filter FB6 0776 1 1 000 000 14 Ozone filter FB6 0776 1 1 000 000 15 Dust proofing filter FF5 7664 1 1 000 000 16 Dust proofing filter FF5 9547 1 1 000 000 17 Dust proofing filter FF5 7663 1 1 000 000 18 Du...

Page 149: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 5 MAINTENANCE AND INSPECTION 5 3 F05 100 01 F05 100 02 13 16 15 17 17 18 14 2 3 1 1 6 5 4 11 10 9 8 8 7 7 12 ...

Page 150: ...0 1 000 000 250 000 1 000 000 1 000 000 1 000 000 1 000 000 500 000 Check in service mode Length of Activation COPIER COUNTER DRBL 1 SCN LMP Number of Activations COPIER DISPLAY MISC SCAN LMP Use both edges 50 000 pages each Apply toner upon replacement Use the LED unit FG6 7185 for a second time 1 1 2 3 1 1 1 1 1 1 Scanning lamp 2 Developing cylinder 3 Developing assembly member 4 Cleaner separat...

Page 151: ... Feeding roller deck cassette Replace simultaneously with the upper fixing roller Actual Number of Pages Made 2 pc for each The actual number of pages made may be checked in service mode Left deck LD PU RL Right deck RD PU RL Cassette 3 C3 PU RL Cassette 4 C4 PU RL Actual Number of Pages Made 2 pc for each The actual number of pagesm made may be checked in service mode Left deck LD FD RL Right dec...

Page 152: ...Made 1 pc for each The actual number of pages made may be checked in service mode Left deck LD SP RL Right deck RD SP RL Cassette 3 C3 SP RL Cassette 4 C4 SP RL Actual Number of Pages Made The actual number of pages made may be checked in service mode M PU RL Actual Number of Pages Made The actual number of pages made may be checked in service mode M FD RL Actual Number of Pages Made The actual nu...

Page 153: ...NON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 5 MAINTENANCE AND INSPECTION 5 7 F05 201 01 F05 201 02 1 2 3 3 4 5 18 18 18 18 19 19 19 20 20 20 19 20 20 21 22 23 9 6 7 8 10 11 12 13 14 13 14 16 17 15 16 ...

Page 154: ... 2 T05 202 01 F05 202 01 1 2 3 1 Side paper deck pickup roller 2 Side paper deck feeding roller 3 Side paper deck separation roller The actual number of pages made may be checked in service mode PD UP RL The actual number of pages made may be checked in service mode PD FD RL The actual number of pages made may be checked in service mode PD SP RL FF5 7829 F FF5 7830 R FF5 7541 FB2 7777 020 2 2 1 25...

Page 155: ... 2001 No Step Checks Remarks 1 Meet the person in charge 2 Take notes of the counter readings 3 Make test copies 4 Clean the charging assemblies Charging wire primary pre transfer transfer separation Grid wire primary charging assembly Shielding plate each charging assembly Roller electrode T05 300 01 Check the general condition Check the faulty copies a Image for density b White background for so...

Page 156: ... Charging Wire Cleaner At the end of the following always check to make sure that the charging wire is in the middle of the charging wire cleaner otherwise image faults can occur a If you have cleaned the charging wire b If you have replaced the charging wire c If you have moved the charging wire cleaner by hand d If you have replaced the charging wire Correct Wrong F05 300 01 F05 300 02 ...

Page 157: ...ble only at the first 250 000 copies Remove the dust collecting on the filter surface 5 Clean the optical path No 1 2 3 mirror Dust proofing glass Scanner reflecting plate Standard white plate 6 Clean the scanner Scanner cable Scanner rail 7 Clean the waste toner collection case 8 Clean the filters Ozone filter Dust proofing filter 9 Clean the developing assembly Developing assembly member 10 Clea...

Page 158: ...in the Service Book 12 Clean the cleaner assembly Side scarper 13 Clean the duplexing unit Duplex horizontal registration sensor 14 Clean the copyboard glass 15 Make test copies 16 Make sample copies 17 Press the leakage breaker test switch to make sure that the breaker operates normally There after turn off the power switch and shift the lever to ON position then turn on the power switch Check to...

Page 159: ...yboard glass Ozone filter FM2 FM8 Dust proofing filer FM1 FM3 FM4 FM10 FM14 Scanning cable Scanner rail No 1 through No 3 mirrors Dust proofing glass Scanner reflecting plate Standard white plate Pre transfer expo sure LED Charging wire primary Charging wire pre transfer transfer separa tion Grid wire pri mary Charging assem bly shielding plate Electrode Remove the dust from the filter See F05 401...

Page 160: ...embly cylinder Developing as sembly roller Side scraper Toner pan rear front Magnet roller Inlet guide Web Oil pan Thermistor Sub thermistor Thermal switch unit Use alcohol C 17 drum cleaning powder CK 0429 For the work proce dure see 4 2 2 Work Procedure 2 Clean the following with alcohol then apply FY9 6008 on the charge collecting brush Electrode of slip ring Wall surface of protrusion on elect...

Page 161: ...r for FM8 Dust proofing filter for FM4 Dust proofing filter for FM10 Dust proofing filter for FM1 Dust proofing filter for FM14 Dust proofing filter for FM3 Ozone filter for FM2 Delivery assem bly Waste toner collec tion as sembly Pickup feeding assem bly Duplexing assem bly Separation law upper lower Waste toner box Transfer guide Registration roller upper lower Feeding belt Feeding rollers Duple...

Page 162: ...an During the work take care not to rotate the magnet roller drive assembly otherwise waste toner may fall out of the cleaner assembly 1 Slide out the process unit Be sure to place the drum protection sheet over the fixing feeding unit 2 Take out the photosensitive drum 3 Remove the magnet blade assembly 4 Using a piece of paper 3 or the like move the waste toner collecting at the front of the mag...

Page 163: ... INSPECTION 5 17 5 Release the lock of the slide rail and slide out the fixing feeding unit farther toward the front F05 402 02 6 Remove the screws 3 of the cleaner assembly one by one and detach the toner pan front rear then remove the toner from the toner pan F05 402 03 Toner pan Cleaner assembly ...

Page 164: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 5 MAINTENANCE AND INSPECTION 5 18 F05 402 04 Toner pan Cleaner assembly ...

Page 165: ...ing the Cleaning Blade During the work take care not to rotate the magnet roller drive assembly otherwise waste toner may fall out of the center assembly 1 Slide out the process unit Be sure to place the drum protective sheet over the fixing feeding unit 2 Take out the photosensitive drum 3 Moisten the lint free paper 1 with al cohol 2 5 to 10 cc and put drum cleaning power 3 CK0429 0 2 to 0 3 g o...

Page 166: ...eaning movement to 5 to 10 cm For a single area the lint free paper may be moved back and forth 5 to 20 times a little force will not affect the life of the drum F05 402 06 5 When the alcohol has completely evaporated dry wipe the drum with lint free paper If the drum has been wiped unevenly go back to step 4 and clean once again 6 Rotate the drum for another swath and repeat steps 3 through 5 unt...

Page 167: ... magnetic roller 4 to make sure that the coating of waste toner is even If it is as follows repeat step 8 The coating is uneven in the form of lines The coating has dents in parts The coating has clumps of toner F05 402 07 10 Remove the cleaning blade from the cleaning blade assembly 11 Butt the turned or replaced cleaning blade 7 against the rear of the blade retaining plate 8 while keeping the e...

Page 168: ... Apply toner in the area of the cleaning blade that will come into contact with the photosensitive drum then mount the blade When mounting the cleaning blade be sure to put the blade auxiliary plate between the blade support plate and the blade back plate After mounting the cleaning blade turn the drum if toner slides off the cleaning blade as a result repeat the foregoing step If the problem is n...

Page 169: ... 1 No 1 Mirror Base 5 1 1 Removing the Scanning Lamp Scanning Lamp Heater 1 Remove the two screws 1 and detach the right glass retainer 2 2 Slide the copyboard glass 3 to the right to detach then detach the scan ning lamp cover 4 F05 501 01 3 Remove the four screws 5 and detach the scanning lamp inside cover 6 F05 501 02 1 3 1 4 2 6 5 5 ...

Page 170: ...ached then remove the two screws 8 and detach the anti re flection plate 9 F05 501 03 When mounting the anti reflec tion plate be sure to securely fit it in the cut off front rear in the No 1 mirror base In addi tion be sure to fit the connector discussed in step 4 securely to the anti reflection plate F05 501 04 F05 501 05 8 9 7 8 Cut off front anti reflection plate anti reflection plate Cut off ...

Page 171: ...ION 5 25 5 Disconnect the connector 10 and re move the two screws 11 then detach the scanning lamp 13 from the elec trode plate front 12 F05 501 06 6 Remove the scanning lamp w heater 13 to the front F05 501 07 7 Remove the scanning map heater 14 from the scanning lamp 13 F05 501 08 13 11 10 11 12 13 13 14 ...

Page 172: ...he scanning lamp heater to the scanning lamp be sure to use the reference marking i e the con nector of the heater must be to the front of the machine When mounting the scanning lamp to the machine take care not to touch the area where light is let through When mounting the scanning lamp be sure that the text marking is to the up per front of the machine F05 501 09 5 1 3 After Replacing the Scanni...

Page 173: ...y 5 2 1 Removing the Scanner Motor 1 Open the toner cartridge cover 2 Remove the delivery tray unit 3 Remove the right upper cover 4 Remove the rear cover 5 Remove the rear upper cover 6 Remove the two screws 1 and detach the rear cover support plate 2 F05 502 01 7 Remove the three screws 3 and dis connect the connector 4 F05 502 02 3 4 2 1 ...

Page 174: ...anner Drive Cable When routing the scanner drive cable be sure to have a mirror positioning tool FY9 3040 000 ready 1 Remove the ADF 2 Remove the right glass retainer 3 Remove the copyboard glass 4 Open the front cover and remove the inside upper cover and the inside cover AP kit 5 Remove the control panel 6 Remove the rear cover and the rear up per cover 7 Remove the inverter PCB unit 8 Move the ...

Page 175: ...PTER 5 MAINTENANCE AND INSPECTION 5 29 9 Route the scanner cable on the pulley and the hook in the sequence indicated F02 502 06 Fix temporarily Wind seven times Steel ball PUt the steel ball into the hole in the pully Try not to leave gaps between cable lengths 5 4 3 8 1 2 6 7 ...

Page 176: ...R8500 REV 0 MAR 2001 CHAPTER 5 MAINTENANCE AND INSPECTION 5 30 10 Fit the mirror positioning tool 2 be tween the No 1 mirror base and the No 2 mirror base then insert the pin 3 attached to the mirror position tool F02 502 07 F02 502 08 2 3 Front 2 3 Rear ...

Page 177: ...5 MAINTENANCE AND INSPECTION 5 31 11 Secure the cable fixing 1 temporarily tightened in step 9 8 using two screws 4 through the hole in the side plate F02 502 09 F02 502 10 12 Detach the mirror positioning tool 13 Mount the parts by reversing steps 1 through 7 4 4 1 Front 1 4 4 Rear ...

Page 178: ...le Do not disconnect the connector connected to the No 1 mirror base of the flexible cable un less you are replacing the No 1 mirror base Do not remove the cable when cleaning the mirror 1 Remove the two screws 1 and detach the right glass retaining cover 2 F02 502 11 2 Remove the copyboard glass 3 Move the No 1 mirror base 3 to the middle F02 502 12 1 1 2 3 ...

Page 179: ...REV 0 MAR 2001 CHAPTER 5 MAINTENANCE AND INSPECTION 5 33 4 Peel off the caution label 4 from the flexible cable 5 F02 502 13 5 Push in the claw 6 inside and release the flexible cable fixing plate 7 of the connector F02 502 14 4 5 6 7 Before release 7 Release ...

Page 180: ...sh the two protrusions 9 used to keep the flexible cable 5 in place to slowly pull out the flexible cable from the connec tor When mounting the flexible cable butt it against the far thest rear keeping it as it is push in the fixing plate while holding it level When pushing in the fixing plate do not touch the reflect ing plate F02 502 15 8 5 9 9 ...

Page 181: ... Removing the Light Control PCB 1 Remove the right glass 2 Remove the copyboard glass 3 Remove the screw 1 of the No 1 mir ror base then while pushing down the three claws 2 remove the light control PCB holder F05 503 01 4 Disconnect the connector 3 and re move the screw 4 then detach the light control PCB 5 F05 503 02 2 1 3 4 5 ...

Page 182: ... Removing the Inverter PCB 1 Remove the rear cover and the rear up per cover 2 Remove the two screws 1 and discon nect the seven connectors 2 then while detaching the hook 4 of the mounting plate of the inverter unit 3 to remove detach the inverter control as sembly F05 503 03 F05 503 04 1 2 2 3 2 2 1 4 Left 3 4 Right 3 ...

Page 183: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 5 MAINTENANCE AND INSPECTION 5 37 3 Remove the six screws 5 and detach the inverter PCB 6 F05 503 05 5 5 6 5 5 ...

Page 184: ... 4 1 Removing the Original Size Sensor 1 2 1 Remove the copyboard glass 2 Move the No 1 mirror base to the far thest right 3 Remove the two screws 1 and discon nect the connector 2 then detach the original sensor unit 3 F05 504 01 4 Disconnect the connector 4 one each and detach the original sensor 1 2 5 F05 504 02 1 3 2 5 5 4 ...

Page 185: ... 2 Removing the Original Size Sensor 1 Remove the copyboard glass 2 Move the No 1 mirror base to the far thest left 3 Remove the screw 1 and disconnect the connector 2 then detach the origi nal sensor unit rear 3 F05 504 03 4 Disconnect the connector 4 one each and remove the original sensor 3 4 5 F05 504 04 1 2 3 5 4 ...

Page 186: ... 1 Remove the rear cover and the rear up per cover 2 Remove the voltage converter unit 3 Free the harness form the wire saddle 1 then disconnect the connector 2 and remove the screw 3 Thereafter detach the sensor mounting base 4 F05 504 05 4 Disconnect the connector 5 and re move the screw 6 then detach the scanner home position sensor 7 F05 504 06 1 2 3 4 7 6 5 ...

Page 187: ...oving the Copyboard Glass Sensor 1 Remove the rear cover and the rear up per cover 2 Remove the voltage converter unit 3 Free the harness from the wire saddle 1 then remove the screw 2 and de tach the sensor mounting plate 3 F05 504 07 4 Disconnect the connector 4 and de tach the copyboard glass sensor 5 F05 504 08 2 1 3 4 5 ...

Page 188: ...1 Remove the rear cover and the rear up per cover 2 Remove the voltage converter unit 3 Free the harness from the wire saddle 1 then disconnect the connector 2 and remove the screw 3 Thereafter detach the sensor mounting plate 4 F05 504 09 4 Disconnect the connector 5 and re move the screw 6 then detach the im age leading edge sensor 7 F05 504 10 1 2 3 4 7 6 5 ...

Page 189: ...Standard White Plate 1 Remove the right glass retaining cover 2 Remove heater copyboard glass 3 Using a small screwdriver remove the standard white plate cover 1 F05 504 11 4 Remove the two screws 2 and remove the stander white cover 3 F05 504 12 5 Remove the four screws 4 and detach the standard white plate 5 F05 504 13 1 2 2 3 4 5 4 ...

Page 190: ...NON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 5 MAINTENANCE AND INSPECTION 5 44 5 4 7 After Replacing the Standard White Plate Chapter 6 Troubleshooting 2 7 2 Af ter Replacing the Standard White Plate ...

Page 191: ...CCD PCB 5 5 1 Removing the CCD PCB 1 Remove the copyboard glass 2 Move the No 1 mirror base to the far thest left 3 Remove the screw 1 and disconnect the connector 2 then detach the origi nal sensor unit rear 3 F05 505 01 4 Remove the two screws 4 and remove the flexible cable 5 together with the cover sheet 6 F05 505 02 1 2 3 5 6 4 ...

Page 192: ...NON iR8500 REV 0 MAR 2001 CHAPTER 5 MAINTENANCE AND INSPECTION 5 46 5 Remove the six screws 7 and detach the reader controller cover 8 F05 505 03 6 Release the claws 10 at the front and the rear and detach the CCD cover 9 F05 505 04 7 7 7 7 8 7 9 10 ...

Page 193: ...the three fixing screws 11 spring 12 and spring plates 13 and disconnect the connector 14 Then remove the two flat cables 15 from the reader controller PCB and detach the CCD unit 16 F05 505 05 5 5 2 After Replacing the CCD Unit Chapter 6 Troubleshooting 2 7 4 Af ter Replacing the CCD Unit 16 15 14 11 12 13 11 12 13 11 12 13 ...

Page 194: ...base to the far thest left 3 Remove the original sensor unit rear 4 Remove the CCD unit F05 505 03 5 Remove the reader controller PCB to gether with its mounting base 6 Remove the six screws 1 and detach the laser driver cover 2 F05 506 01 7 Disconnect the four connectors 3 and disconnect the video cable 4 then re move the eight screws 5 and detach the laser scanner unit 6 F05 506 02 1 1 2 1 1 4 5...

Page 195: ...HT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 5 MAINTENANCE AND INSPECTION 5 49 5 6 2 After Replacing the Laser Unit Chapter 6 Troubleshooting 2 7 11 Af ter Replacing the Laser Unit ...

Page 196: ...rocess unit F05 510 01 F05 510 02 3 Remove the three screws 1 and dis connect the connector 2 then detach the fan primary charging scanner cool ing polygon mirror unit 3 F05 507 01 4 Remove the screws 4 and slide out the BD unit 5 to the front Be sure to put a marking line before loosening the screw 4 F05 507 02 5 Disconnect the connector 6 and de tach the BD unit 5 F05 507 03 1 2 3 1 1 4 5 5 6 ...

Page 197: ...xposure LED 1 Open the front cover 2 Slide out the pre transfer charging as sembly When placing the removed pre transfer charging assembly take care not to subject the LED to impact 3 Remove the three screws 1 from the bottom of the pre transfer charging as sembly and detach the LED cover 2 F05 508 01 4 Remove the connector 3 and detach the pre transfer exposure LED 4 F05 508 02 1 2 3 4 ...

Page 198: ...e rear cover 2 Remove the high voltage transformer DC assembly F05 525 01 3 Disconnect the two connectors 1 and remove the five screws 2 then detach the clutch mounting plate 3 F05 508 03 4 Remove the developing cylinder decel erating clutch 4 F05 508 04 5 Remove the six E rings 5 two bear ings 6 gear 7 and pin 8 then re move the clutch 4 F05 508 05 2 2 3 2 1 1 4 5 5 6 4 5 5 8 7 6 5 5 ...

Page 199: ...ving the Developing Cylinder Clutch 1 Remove the rear cover 2 Remove the high voltage transformer DC assembly 3 Remove the clutch mounting plate 4 Remove the developing cylinder clutch 1 F05 508 06 5 Remove the eight E rings 2 two bear ings 3 two gears 4 and pin 5 then detach the clutch 1 F05 508 07 1 1 3 2 2 4 5 2 4 2 2 2 3 ...

Page 200: ...tion each 0 06 mm in diameter 5 9 2 Removing the Wire Cleaner of the Primary Charging Assembly 1 Move the clip base 1 to the farthest rear and remove the screw 2 then de tach the support plate 4 of the wire cleaning motor shaft 3 and detach the clip base 1 together with the wire cleaner motor shaft 3 from the open ing in the shield plate 5 F05 509 01 2 Pick up the wire cleaner with radio pli ers a...

Page 201: ...mation slack of the primary charging assembly be sure to work separately for the left and the right shielding plates Do not loosen the screws on the left and the right shield ing plates 2 Remove the wire cleaner For other charging assemblies remove the two covers F05 509 03 3 Free about a length of charging wire about 5 cm from the charging wire reel 0 06 mm in wire diameter and form a loop at the...

Page 202: ...ing wire using a nipper 8 Pick the end of the charging wire tensioning spring with tweezers and hook it on the charging electrode In the case of the pre transfer charging assem bly hook the spring on the pin at the front F05 509 06 Make sure of the following The charging wire must not be bent or twisted The charging wire Must be in the V groove of the charging wire positioner F05 509 07 9 Fit the ...

Page 203: ...sure that the spring length of each tensioning spring is as indi cated 11 Mount the wire cleaner At this time pay attention to the orientation of the wire cleaner 12 Wipe the charging wire with lint free paper moistened with alcohol Separation charging assembly A 12 0 1mm A 12 0 1mm A 12 0 0 5mm A 12 0 0 5mm A Primary charging assembly Pre transfer charging assembly Transfer charging assembly ...

Page 204: ...are not loose Thereafter hook the end of the charging wire on the stud A after having strung it for 41 runs hook it on B C and D and lead it between the two washers 1 then give it a half turn around the screw 2 and fix it in place F05 509 08 2 Loosen the screws 3 4 5 and 6 and tighten the screw 7 to a tightening torque of 1 5 0 25 kg cm then tighten the screws 3 4 5 and 6 in the sequence indicated...

Page 205: ...509 10 REF The height position of the primary or transfer charging wire may be ad justed by turning the screw found on the assembly in question a full turn of the screw changes the position by about 0 7 mm 7 5 0mm 3mm 7 5 0mm 3mm 13 6 0 3mm No height adjusting mechanism 17 0 0 2mm 15 5 0 2mm 9 0 0 2mm Charging assembly Height Primary Pre transfer Separation Transfer ...

Page 206: ...eloping assembly 3 Slide out the fixing feeding unit and lay a drum protective sheet 4 Remove the inside cover process unit 5 Slide out the primary charging assem bly 1 and the pre transfer charging assembly 2 F05 510 01 6 While keeping it in place using a drum stop 3 remove the screw 4 to detach the fixing screw 5 7 Remove the three screws 6 and slide out the process unit 7 F05 510 02 1 2 6 6 6 3...

Page 207: ...5 MAINTENANCE AND INSPECTION 5 61 8 Fully slide out the process unit 7 then holding its grips 8 lift it to re move F05 510 03 When placing the removed pro cess unit turn the kit support plate 9 counterclockwise so that it will not come into contact with the floor F05 510 04 9 7 8 8 ...

Page 208: ...s unit reverse the steps used to remove it however be sure to pay attention to the points indicated in the figure when placing it on the slide rails When the process unit is re moved waste toner can spill out onto the duplex unit When mounting the process unit back be sure to wipe off the waste toner from the duplex unit up per cover F05 510 05 F05 510 06 F05 510 07 ...

Page 209: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 5 MAINTENANCE AND INSPECTION 5 63 F05 510 08 ...

Page 210: ...AND INSPECTION 5 64 5 11 Manual Feed Tray Assembly 5 11 1 Removing the Manual Feed Tray Unit 1 Remove the two screws 1 and detach the delivery tray unit 2 F05 511 01 2 Remove the four screws 3 and detach the right upper cover 5 while keeping the toner cartridge cover 4 open F05 511 02 1 2 4 5 3 3 ...

Page 211: ...er 7 2 locations 4 Remove the screw 8 and disconnect the connector 9 then detach the manual feed tray unit 10 F05 511 03 5 11 2 Removing the Manual Feed Tray Pickup Sensor 1 Remove the mounting screw 1 and detach the solenoid cover 2 F05 511 04 2 Remove the mounting screw 3 and detach the solenoid 4 together with its support plate F05 511 05 3 4 10 7 9 7 6 6 8 1 2 ...

Page 212: ...TION 5 66 3 Remove the screw 5 and detach the connector cover 6 then disconnect the connector 7 F05 511 06 4 Remove the ten mounting screws 8 and detach the manual feed tray pickup assembly 9 F05 511 07 5 Remove the two mounting screws 10 and detach the lower cover 11 F05 511 08 10 11 10 7 5 6 8 9 8 8 8 8 ...

Page 213: ...ve the two mounting screws 14 and detach the sensor base 15 8 Remove the sensor from the sensor base F05 511 10 5 11 3 Attaching the Side Guide Timing Belt in the Manual Feed Tray As sembly Butt the rack plate 1 of the manual feed tray against section A open state Move the slide volume 2 in the direc tion of B and attach the timing belt 3 to the pulley 4 F05 511 11 15 14 14 12 13 12 4 4 3 1 A 2 B ...

Page 214: ... pickup assembly 2 Remove the E ring 1 and the bearing 2 at the front then remove heater grip ring 3 clutch 4 and bearing 5 from the rear F05 512 01 3 Remove the E ring 6 at the front and the rear of the roller shaft then move each bearing 7 toward the inside and detach the guide plate 8 F05 512 02 4 Remove the E ring 9 and then the bearing 10 thereafter detach the ver tical path roller 11 F05 512...

Page 215: ...the deck right and the cas sette 3 4 2 Remove the three screws 1 and detach the right lower front cover 2 F05 512 04 3 Disconnect the connector 3 and re move the screw 4 then detach the guide plate 5 F05 512 05 4 Remove the E ring 6 at the front of the roller shaft and move the bearing 7 toward the inside to detach the verti cal roller 2 8 F05 512 06 2 1 1 1 5 3 4 6 7 8 ...

Page 216: ...ront cover 2 Remove the fixing feeding unit 3 Shift up the releasing lever 4 Disconnect the connector 1 and re move the screw 2 then detach the clutch cover 3 F05 513 01 5 Loosen the two adjusting screws 4 then detach the registration clutch 5 F05 513 02 Further when mounting the reg istration clutch be sure to hook the clutch stop A on the pro trusion B of the clutch cover F05 513 03 1 2 3 4 4 5 ...

Page 217: ...PTER 5 MAINTENANCE AND INSPECTION 5 71 5 13 2 Removing the Registration Brake Clutch 1 Remove the transfer separation charging assembly front cover 2 Disconnect the connector 1 and loosen the two screws 2 w hex hole then detach the registration brake clutch 3 F05 513 04 1 2 2 3 ...

Page 218: ...xing Unit 5 14 1 Removing the Reversal Motor 1 Remove the front cover of the duplexing unit 2 Disconnect he two connectors 1 and remove the four screws 2 then detach the reversal motor 3 together with the motor support plate 4 F05 514 01 3 Remove the four screws 5 and detach the reversal motor 6 F05 514 02 5 5 6 2 2 4 2 3 2 1 ...

Page 219: ...iR8500 REV 0 MAR 2001 CHAPTER 5 MAINTENANCE AND INSPECTION 5 73 5 14 2 Removing the Lower Feed Motor 1 Remove the duplexing unit front cover 2 Disconnect the connector 1 and re move the two screws 2 then detach the lower feed motor 3 F05 514 03 2 3 2 1 ...

Page 220: ...o screws 1 and remove the fixing connector unit 2 Thereafter remove the screw 3 and detach the terminal plate 4 at the rear then pull out the two fastons 5 F05 515 01 3 Remove the two screws 6 and detach the heater positioning plate rear 7 F05 515 02 4 Remove the two fastons 8 at the front and remove the screw 9 then detach the heater positioning plate front 10 F05 515 03 5 Detach the main sub hea...

Page 221: ...nd a Do not touch the surface of the heater b For both heater the side with the longer harness on the end is toward the front c Viewing from the front of the fixing as sembly mount the main heater 1 on the right and the sub heater 2 on the left F05 515 04 5 15 3 Removing the Thermal Switch 1 Remove the fixing assembly from the copier 2 After removing the fixing web remove the two screws 1 oil pan ...

Page 222: ...then detach the electrode 6 and the thermal switch holder 7 F05 515 06 4 Remove the four screws 8 and detach the thermal switch assembly 9 F05 515 07 Points to Note When Mounting the Thermal Switch When mounting the thermal switch check to make sure that its is in contact with the fixing roller as shown F05 515 08 6 5 5 7 4 8 8 9 Fixing roller Thermal switch ...

Page 223: ...ier 2 Remove fixing web and the oil pan 3 Remove the fixing harness cover 4 disconnect the connector 1 of the ther mistor and remove the screw 2 then shift the thermistor 3 to the rear to de tach When shifting the thermistor to the rear take care not to damage the fixing roller F05 515 09 5 Remove the two thermistor retaining springs 4 and detach the main ther mistor 5 F05 515 10 2 3 1 4 4 5 ...

Page 224: ...unting the Main Thermistor When mounting the main thermistor to the fixing assembly be sure that the position of the tie wrap 6 is as indicated in the figure The tie wrap is butted against the claw 7 serving as a stopper Further check to make sure that the main thermistor and the fixing roller are not away from each other F05 515 11 6 7 ...

Page 225: ...oving the Sub Thermistor 1 Slide out the fixing assembly from the copier 2 Remove the fixing web and the oil pan 3 Remove the fixing harness cover 4 Disconnect the connector 1 and re move the screw 2 then detach the sub thermistor assembly 3 F05 515 12 5 Remove the screw 4 and detach the sub thermistor 5 F05 515 13 3 2 1 4 5 ...

Page 226: ... web and clean the oil pan 3 Remove the two fixing heaters 4 Remove the screw 1 and detach the locking support plate 2 found at the front F05 515 14 5 Remove the screw 3 and detach the pressure locking support plate 4 found at the rear F05 515 15 6 Open the fixing upper unit 5 When open the fixing upper unit remains unstable make use of the handle of a screwdriver to support it as shown F05 515 16...

Page 227: ...embly from the copier 2 Remove the three screws 1 and detach the delivery roller guide 3 while open ing the upper delivery assembly 2 F05 516 01 3 Remove the E ring 4 found at the front and slide the bearing 5 in the direction of the gear F05 516 02 4 Remove the E ring 6 found at the rear then slide the bearing 7 toward the rear and detach the external delivery roller assembly 8 F05 516 03 3 2 1 5...

Page 228: ...etach the two rollers 13 Each roller has a parallel pin Take care not to lose it F05 516 04 5 16 2 Removing the Internal Delivery Roller 1 Remove the fixing assembly from the copier 2 Remove the spring 2 three E rings 3 and bushing 4 found at the front of the internal delivery roller 1 then detach the gear 5 F05 516 05 3 Remove the E ring 6 and the bushing 7 at the rear of the shaft and detach the...

Page 229: ...om the copier 2 Remove the fixing motor 3 Remove the three screws 1 and detach the fixing front support base 2 F05 516 07 4 Disconnect the two connectors 3 and removed the two screws 4 then de tach the delivery speed switching clutch 5 When removing the delivery speed switching clutch take care not to lose the bearings and washer rear only found on both sides of the clutch shaft F05 516 08 2 1 1 5...

Page 230: ...and detach the lower separation claw assembly 3 Remove the claw jam sensor 1 from the right side of the lower delivery as sembly F05 517 01 5 17 2 Removing the External Delivery Sensor 1 Remove the external delivery roller 2 Remove the two screws 1 and discon nect the connector 2 then detach the external delivery sensor assembly 3 F05 517 02 3 Disconnect the connector 4 and de tach the external de...

Page 231: ... 85 5 17 3 Removing the Internal Delivery Sensor 1 Remove the fixing assembly from the copier 2 Open the upper delivery assembly and remove the two screws 1 then detach the internal delivery sensor assembly 2 F05 517 04 3 Disconnect the connector 3 and re move the internal delivery sensor 4 F05 517 05 2 1 1 3 4 ...

Page 232: ... AND INSPECTION 5 86 5 17 4 Removing the Reversal Sensor 1 Remove the fixing assembly from the copier 2 Open the upper delivery assembly and remove the screw 1 then remove the reversal sensor assembly 2 F05 517 06 3 Disconnect the connector 3 and de tach the reversal sensor 4 F05 517 07 1 2 3 4 ...

Page 233: ...N 5 87 5 17 5 Removing the Fixing Feeding Unit Output Sensor 1 Slide out the fixing feed unit 2 Remove the screw 1 from the bottom of the fixing feeding unit and detach the fixing feeding outlet sensor 2 F05 517 08 3 Disconnect the connector 3 and de tach the fixing feeding outlet sensor 4 F05 517 09 2 1 3 4 ...

Page 234: ...over 6 Waste toner cover 7 Right middle cover 8 Right lower cover 9 Left upper cover small F05 518 01 10 Rear cover 11 Left lower cover 12 Delivery tray 13 Left cover 14 Left paper cover 15 System connector cover 16 Rear upper cover F05 518 02 17 Inside cover process unit 18 Inside cover primary 19 Inside cover pre transfer 20 Inside cover right lower 21 Inside upper cover F05 518 03 9 7 8 6 5 3 4...

Page 235: ...nside of the machine Those covers that may be detached by merely removing mounting screws are not omitted from the discussions 5 18 1 Removing the Front Cover 1 Open the front cover and remove the mounting screw 2 of the cover tape 1 2 Open the toner cartridge cover 3 and pull up to remove the hinge pin 4 from the front cover 3 Pull off the front cover at an angle F05 518 04 3 4 2 1 ...

Page 236: ... the front cover and shift down the fixing feeding lever 1 to slide out the fixing feeding unit 2 2 Open the toner cartridge cover 3 Remove the four mounting screws 3 and detach the inside cover process unit 4 F05 518 05 4 Remove the five mounting screws 5 and disconnect the two connectors 6 then detach the inside upper cover 7 F05 518 06 3 3 4 1 2 7 5 5 5 6 5 ...

Page 237: ...easing lever and push the releasing le ver link found at the rear of the fixing feeding unit to remove the releasing le ver while it is up 3 Remove the mounting screw 1 and detach the fixing knob 2 4 Remove the mounting screw 3 and detach the transfer separation charging assembly cover 4 5 Remove the two mounting screws 5 and detach the fixing feeding unit cover 6 F05 518 07 5 18 4 Removing the Re...

Page 238: ...00 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 5 MAINTENANCE AND INSPECTION 5 92 Removing the Right Middle Cover 1 Open the rimiddlelower cover 2 2 While lifting the right upper cover 1 slightly pull up the right middle cover 2 F05 518 09 1 2 ...

Page 239: ...ve the standard white plate cover F05 504 11 through F05 504 13 2 Remove the control panel middle cover 3 Remove the two screws 1 and detach the face plate 2 F05 519 01 4 Remove the two screws 3 and detach the delivery tray unit 4 F05 519 02 5 Remote four screws 5 and detach the right upper cover 7 while keeping the toner cartridge cover 6 open F05 519 03 1 2 2 3 4 6 7 5 5 ...

Page 240: ...MAINTENANCE AND INSPECTION 5 94 6 Remove the screw 8 and detach the left upper cover small 9 F05 519 04 7 Remove the four screws 10 and turn over the control panel 11 toward the front then disconnect the connector 12 to detach the control panel F05 519 05 F05 519 06 8 9 11 10 10 10 12 ...

Page 241: ...el Inverter PCB 1 Remove the four mounting screws 1 and disconnect the five connectors 2 then detach the two flat cables 3 and detach the control panel controller CPU PCB 4 F05 519 07 2 Remove the three screws 5 and detach the control panel lower cover 6 F05 519 08 3 Disconnect the three connectors 7 and free the harness from the harness guide 8 4 Remove the four screws 9 and detach the control pa...

Page 242: ...Panel PCB and the LCD Panel 1 Remove the control panel lower cover 2 Remove the four screws 1 and detach the control panel case 2 F05 519 10 3 Remove the control panel PCB and the control panel inverter PCB 4 Free the harness from the wire saddle then remove the nine screws 3 and detach the control panel plate 4 F05 519 11 1 2 1 3 4 3 3 3 3 3 ...

Page 243: ...8500 REV 0 MAR 2001 CHAPTER 5 MAINTENANCE AND INSPECTION 5 97 5 Remove the mounting screw and detach the control panel PCB 5 F05 519 12 6 Remove the four screws 6 from the control panel plate removed in step 4 and detach the LCD panel 7 F05 519 13 5 6 7 6 ...

Page 244: ...river Cooling Fan 1 Remove the copyboard glass 2 Remove the screw 1 and disconnect the connector 2 then detach the origi nal sensor unit 3 F05 520 01 3 Remove the two screws 4 and detach the flexible cable 5 together with the cover sheet 6 F 05 520 02 4 Remove the six screws 7 and detach the reader controller cover 8 F05 520 03 1 2 3 5 6 4 7 7 7 7 8 7 ...

Page 245: ...tion of the arrow F05 520 04 6 Remove the two screws 13 and dis connect the connector 14 then detach the laser driver cooling fan 15 together with its mounting base F05 520 05 7 Remove the two screws 16 and detach the laser driver cooling fan 15 When mounting the laser driver cooing fan be sure that its ori entation is correct with refer ence to the direction of current indicated on it F05 520 06 ...

Page 246: ... 1 and remove the four screws 2 then detach the fixing motor base 3 F05 520 07 5 Remove the two screws 4 and discon nect the two connectors 5 then de tach the delivery speed switching clutch 6 When removing the delivery speed switching clutch take care not to lose the bearings and washer rear only found on both ends of the clutch shaft F05 520 08 6 Disconnect the connector 7 and re move the two sc...

Page 247: ...ft lower cover 2 Remove the power supply unit F05 523 02 3 Remove the three screws 1 and detach the fan base 2 When mounting the power coo ing fan 1 be sure its orientation is correct in reference to the di rection of current indicated on it F05 520 10 4 Remove the two screws 3 and discon nect the connector 4 then remove the power supply cooling fan 1 5 F05 520 11 2 1 1 3 5 3 4 ...

Page 248: ...e the two screws 1 and discon nect the connector 2 then detach the power supply cooling fan 2 3 When mounting the power sup ply fan 2 be sure its orientation is correct in reference to the di rection of current indicated on it F050 520 12 5 20 5 Removing the Separation Fan 1 Open the front cover 2 Slide out the fixing feeding unit 3 Remove the four screws 1 and detach the fixing feeding lower cove...

Page 249: ...8500 REV 0 MAR 2001 CHAPTER 5 MAINTENANCE AND INSPECTION 5 103 4 Disconnect the connector 4 and re move the five screws 5 then detach the separation fan unit 6 F05 520 14 5 Remove the three screws 7 and detach the separation fan 8 F05 520 15 5 5 4 5 6 7 8 ...

Page 250: ...o the front 3 Remove the fixing feeding unit to the front 4 Remove the primary charging assembly 5 Disconnect the connector 1 and re move the two screws 2 then detach the fan unit 3 F05 520 16 6 Remove the two screws 4 and detach the developing assembly fan 5 F05 520 17 When mounting the separation fan be sure its orientation is correct in reference to the direc tion of current indicated on it 2 3...

Page 251: ...r cover 2 Remove the two screws 1 and detach the system connector cover 2 F05 520 18 3 Remove the main controller box cover 4 Disconnect the connector 3 and re move the two screws 4 then detach the system fan 5 When mounting the system fan be sure its orientation is correct in reference to the direction of current indicated on it F05 520 19 2 1 4 3 5 ...

Page 252: ...ve the left lower cover 2 Disconnect the connector 1 and re move the four screws 2 then detach the fan unit 3 F05 520 20 3 Remove the two screws 4 and detach the fan 5 F05 520 21 5 20 9 Removing the Drum Drive Assembly 1 Remove the rear cover 2 Remove the high voltage transfer DC 3 Remove the two screws 1 and detach the flywheel 2 F05 520 22 2 1 3 4 5 1 2 ...

Page 253: ... equipped with a spring then detach the gear 5 of the drum shaft When removing the screw of the drum shaft gear be sure to pay attention to the direction of gear rotation The gear must be turned counterclockwise F05 520 23 5 Remove the waste toner box then re move the five screws 6 and discon nect the four connectors 7 Thereafter detach the waste toner box base 8 F05 520 24 3 4 3 5 6 6 6 8 7 7 7 ...

Page 254: ...INTENANCE AND INSPECTION 5 108 6 Remove the E ring 10 from the tip of the waste toner pipe 9 then shift the bushing 11 up and remove the two screws 12 to detach the waste toner pipe 9 F05 520 25 7 Remove the screw 13 and detach the drum cleaner pipe cover 14 F05 520 26 10 11 12 9 13 14 ...

Page 255: ...emove the five screws 16 then detach the drum drive assembly 17 F05 520 27 5 20 10 Removing the Cassette Pickup Drive Assembly 1 Remove the rear cover 2 Remove the waste toner box base 3 Remove the cassette pickup assembly upper lower holder 4 Remove the five screws 1 and detach the cassette pickup drive assembly 2 F05 520 28 16 15 15 15 16 16 17 1 1 1 1 2 ...

Page 256: ... Removing the Cover Switch door switch Assembly 1 Remove the inside paper cover F05 518 05 2 Remove the control panel F05 519 01 through F05 519 06 3 Remove the three screws 1 and slide out the cover switch assembly 2 to the front F05 521 01 4 Disconnect the five connectors 3 and detach the cover switch assembly 2 F05 521 02 1 1 2 2 3 3 ...

Page 257: ...cover F05 518 05 2 Remove the two screws 1 and discon nect the two connectors 2 then de tach the pre transfer charging assembly fan 3 F05 521 03 3 Disconnect the three connectors 4 and remove the screw 5 then detach the potential sensor PCB 6 F05 521 04 4 Remove the screw 7 and disconnect the two connectors 8 then detach the manual feed tray switch assembly 9 F05 521 05 1 3 2 6 5 4 4 9 7 8 ...

Page 258: ...INTENANCE AND INSPECTION 5 112 5 21 3 Removing the Drum Heater Switch Assembly 1 Remove the left lower cover 2 Remove the three screws 1 and dis connect the seven connectors 2 then detach the power supply cord base 3 and free the drum heater switch 4 to detach 05 521 06 2 2 2 1 1 1 3 4 ...

Page 259: ...over 2 Disconnect all connectors from the PCB then remove the four screws 1 and detach the DC controller PCB 2 F05 522 01 5 22 2 After Replacing the DC Controller PCB Chapter 6 Troubleshooting 2 7 8 Af ter Replacing the DC Controller PCB 5 22 3 Removing the Differential PCB 1 Remove the rear cover 2 Remove the reader controller communi cation cable 1 F05 522 02 1 1 2 1 ...

Page 260: ...the four screws 2 and detach the stop 3 from the left side then de tach the main controller box cover 4 F05 522 03 4 Disconnect the main controller commu nication cable 5 and the connector 6 F05 522 04 5 Remove the four screws 7 and detach the differential PCB 8 together with its mounting base F05 522 05 5 6 7 7 8 7 2 2 2 4 3 ...

Page 261: ...he rear cover 2 Remove the main controller box cover 3 Remove the three screws 1 and detach the PCB base 2 F05 522 06 4 Remove the two screws 3 and discon nect the two connectors 4 then de tach the pixel line conversion PCB 5 F05 522 07 5 Remove the six screws 6 and detach the pixel line conversion PCB 5 from its mounting base F05 522 08 2 1 1 3 5 4 4 6 5 6 6 ...

Page 262: ...5 116 5 22 5 Main Controller PCB 1 Remove the rear cover 2 Remove the main controller box cover 3 Remove the differential PCB and the pixel line conversion PCB 4 Disconnect all connectors from the main controller PCB 1 F05 522 09 5 Remove the four screws 2 and open the main controller box 3 F05 522 10 1 2 2 2 3 ...

Page 263: ...ws 4 and detach the lower cover 5 of the main control ler box F05 522 11 7 Disconnect the cable 6 connected to the hard disk then remove the eight screws 7 and detach the main control ler PCB 1 F05 522 12 5 22 6 After Replacing the Main Controller PCB Chapter 6 Troubleshooting 2 7 6 Af ter Replacing the Main Controller PCB 4 4 5 1 7 7 6 7 ...

Page 264: ... the stepped screw 5 Thereafter detach the reader controller PCB 6 in the direction of the arrow F05 522 13 5 22 8 After Replacing the Reader Controller PCB Chapter 6 Troubleshooting 2 7 5 Af ter Replacing the Reader Controller PCB 5 22 9 Original Orientation Detection PCB 1 Remove the copyboard glass 2 Remove the original sensor 1 3 Remove the reader controller cover 4 Disconnect the connector an...

Page 265: ...i adhesion fan mounting base 3 Remove the mounting screw 2 of the grounding wire 1 4 Disconnect the eight connectors 3 and remove the three screws 4 then de tach the AC driver PCB 5 F05 522 15 5 22 11 Voltage Converter PCB 1 Remove the rear upper cover 2 Disconnect the connector 1 and re move the four screws 2 then detach the Voltage converter PCB 3 F05 522 16 4 4 4 3 3 5 1 2 2 1 2 3 2 ...

Page 266: ...ge Transformer AC PCB 1 Remove the rear cover 2 Disconnect the two connectors 1 and remove the four screws 2 then detach the high voltage transformer AC PCB 3 F05 522 17 5 22 13 All Day Power Supply PCB 1 Remove the left cover 2 Remote six screws 1 and detach the delivery anti adhesion fan mounting base 2 F05 522 18 1 1 1 2 2 1 3 1 2 ...

Page 267: ... MAINTENANCE AND INSPECTION 5 121 3 Disconnect the five connectors 3 and remove the four screws 4 then detach the all day power supply PCB 5 F05 522 19 5 22 14 Bi Centronics PCB 1 Remove the rear cover 2 Remove the tow screws 1 found on the left rear cover F05 522 20 1 3 3 3 4 4 4 5 ...

Page 268: ... 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 5 MAINTENANCE AND INSPECTION 5 122 3 Disconnect the connector 2 and de tach the bi Centronics PCB 3 form the PCB holder 2 pc F05 522 21 3 2 ...

Page 269: ...INSPECTION 5 123 5 23 Power Supply Unit 1 Remove the left lower cover 2 Disconnect the two connectors 1 and the connector from the relay PCB 2 F05 523 01 3 Remove the two screws 3 and detach the cover plate 4 then remove the two screws 5 and detach the power supply unit 6 F05 523 02 1 1 2 3 3 4 5 5 6 ...

Page 270: ...Transformer AC 1 Remove the rear cover 2 Disconnect the two connectors 1 and remove the two screws 2 then detach the high voltage transformer AC PCB 3 together with its mounting base F05 524 01 3 Disconnect the three connectors 4 and remove the screw 5 then detach the high voltage transformer assembly AC 6 F05 524 02 4 4 5 6 1 3 1 2 2 ...

Page 271: ...e three screws 2 then de tach the high voltage transformer as sembly DC 3 F05 525 01 5 25 1 After Replacing the High Voltage Transformer DC Chapter 6 Troubleshooting 2 7 10 Af ter Replacing the High Voltage Transformer DC 5 26 Relay PCB 1 Remove the left lower cover 2 Disconnect the connector from the PCB then remove the screw 1 and then free the relay PCB 1 form the four PCB holders 2 F05 526 01 ...

Page 272: ...NANCE AND INSPECTION 5 126 5 27 Removing the Voltage Converter Unit 1 Remove the rear upper cover rear over and left upper cover 2 Remove the two screws 1 and free the reader controller communication cable 2 from the wire saddle 3 then de tach the voltage converter unit 4 F05 527 01 2 3 4 1 ...

Page 273: ...2001 CHAPTER 5 MAINTENANCE AND INSPECTION 5 127 5 28 Removing the Hard Disk 1 Remove the main controller box 2 Remove the four screws 1 and detach the hard disk cover 2 F05 528 01 3 Remove the three screws 3 and de tach the lower cover plate 4 F05 528 02 2 1 1 1 1 4 3 3 ...

Page 274: ... the two connectors 6 and remove the mounting screw 8 of the grounding wire 7 2 locations then detach the hard disk 9 together with its mounting base F05 528 03 5 Remove the four screws 10 and de tach the hard disk 9 F05 528 04 5 28 1 After Replacing the Hard Disk Chapter 6 Troubleshooting 2 7 7 Af ter Replacing the Hard Disk 9 8 5 6 7 8 5 6 7 5 9 10 10 ...

Page 275: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING ...

Page 276: ...ltage present at the outlet NO The problem is not of the copier Advise the user 4 Is the rated voltage present between J1 1 and J1 2 J1 is found near the power cord base YES Go to step 6 Rest omitted To find out the possible cause faulty part of a specific problem see the Cause column of the table In the case of the above i e absence of AC power suspect that the power plug may be disconnected the ...

Page 277: ...ive probe of the meter while the symbol indicatingthe negative probe of the meter In the case of the example you are expected to connect the positive probe to J109 1 and the negative probe to J109 2 Is the power plug connected to the power outlet Connect the plug Checks Results Action NO 1 Step Are the front doors and covers closed properly Close the doors and covers NO 2 Is the rated voltage pres...

Page 278: ... 3 Adjusting the image position for copier output ADF mode 2 1 1 Adjusting the Image Position for Printer Output Standards for Image Position F06 201 01 1 Adjust the image position in main scanning direction as follows Check to make sure that the following setting is as indicated on the service label COPIER ADJUST LASER PVE OFST If not enter the setting recorded on the ser vice label The setting i...

Page 279: ...EST PG5 then check the image leading edge margin Standard 4 1 5 1 0 mm Mode COPIER ADJUST FEED ADJ REGIST A higher setting increases the margin A lower setting decreases the margin F06 201 02 4 Adjust the image trailing edge margin as follows Generate output by making the following selections COPIER TEST PG5 then check the image trailing edge margin Standard 2 5 1 5 mm Mode COPIER ADJUST BLANK BLA...

Page 280: ...ER TEST PG65 Likewise select 2 3 and 4 by making the following selections COPIER TEST PG PICK Then generate output by making the following selections and adjust the image front margin COPIER TEST PG5 Standard 2 5 1 mm PG PICK 1 right deck PG PICK 2 left deck PG PICK 3 cassette 3 PG PICK 4 cassette 4 F06 201 04 adjustment by adjusting the fixed position of each source of paper Front Deck left right...

Page 281: ... REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 12 2 Move the cassette guide assembly front 4 to the front or the rear and make adjustments F06 201 06 Cassette 3 4 1 Slide out the cassette and remove the two screws 2 of the cassette front cover 1 F06 201 07 4 1 2 ...

Page 282: ...ght of the cassette and make ad justments using the adjusting screw 4 F06 201 08 If you have adjusted cassette 3 or 4 be sure to execute the following service mode If you have adjusted cassette 3 COPIER ADJUST CST ADJ C3 STMTR COPIER ADJUST CST ADJ C3 A4R If you have adjusted cassette 4 COPIER ADJUST CST ADJ C4 STMTR COPIER ADJUST CST ADJ C4 A4R 3 3 4 ...

Page 283: ...the copyboard glass and make a copy of it to check the leading edge non image width Standard 4 1 5 1 0 mm Mode COPIER ADJUST ADJ XY ADJ X A higher setting increases the margin A lower setting decreases the margin F06 201 09 2 Adjusting the Front Non Image Width Place the NA Test Chart on the copyboard and make a copy of it to check the front non image width Standard 2 5 1 5 mm Mode COPIER ADJUST A...

Page 284: ...t non image width on the second side Standard 2 5 2 0 mm Adjustment COPIER ADJUST FEED ADJ ADJ REFE A higher setting increases the margin A lower setting decreases the margin F06 201 11 4 Adjusting the Front Margin for the Manual Feed Tray and Side Paper Deck accessory Place the NA3 Test Chart on the copyboard glass and make a double sided copy of it to check the front margin on the second side St...

Page 285: ...l Feed Tray 1 Loosen the two mounting screws 1 of the manual feed tray and adjust the po sition of the manual feed tray F06 201 13 Side Paper Deck accessory 1 Slide out the compartment and adjust the position of the latch plate 1 of the deck open solenoid using the two screws 2 For this work use the scale 3 on the latch plate as a reference F06 201 14 1 1 2 1 3 ...

Page 286: ...h Place an A3 test chart and an A4 test chart in the original tray of the ADF and make copies to check the leading edge non image width Standard 4 1 5 1 0 mm Adjustment FEEDER ADJUST STRD S for A4 FEEDER ADJUST STRD L for A3 A higher setting increases the margin A lower setting decreases the margin F06 201 15 2 Adjusting the Front Non Image Width Place A3 test chart in the original tray of the ADF...

Page 287: ... Drive Assembly 5 2 2 Scanner Drive Cable 2 2 3 When Replacing the Scanning Lamp When Replacing the Standard White Plate 1 Check to make sure that the Execute Memory lamp in the control panel is OFF and turn off the main power switch 2 Disconnect the power plug from the power outlet 3 Execute the following service modes in sequence 1 COPIER FUNCTION CCD CCD ADJ 2 COPIER FUNCTION CCD LUT ADJ 4 Exec...

Page 288: ...age Formation System 2 3 1 Stringing the Grid Wire of the Primary Charging Assembly See 5 9 4 Stringing the Grid Wire of the Primary Charging Assembly 2 3 2 Stringing the Charging Wire of Charging Assemblies See 5 9 3 Stringing the Charging Wire 2 3 3 Mounting the Drum Cleaning Blade See Chapter 5 4 2 2 Work 2 ...

Page 289: ...ing the pickup roller 1 to the pickup assembly be sure that the round mark ing 2 on the side of the roller and the round marking 3 on the collar gold colored are toward the front of the machine F06 204 01 The rear pickup roller is silver colored When mounting the pickup roller 4 to the pickup assembly be sure that the round marking 5 on the side of the roller and the round mark ing 6 on the collar...

Page 290: ...6 204 03 2 4 3 Orientation of the Feeding Roller of the Deck Cassette Pickup Assem bly When mounting the feeding roller assembly of the deck cassette pickup assembly be sure that the belt pulley 2 is toward the front of the machine When mounting the feeding roller 3 to the feeding roller shaft 4 be sure that the round marking 5 is toward the front of the machine F06 204 04 Wider groove Narrower gr...

Page 291: ... 1 to the pickup assembly be sure that the round mark ing 2 on the collar silver colored is toward the front of the machine 1 Pickup roller 2 Marking collar F06 204 05 The rear pick roller is gold colored When mounting the pickup roller 4 to the pickup assembly be sure that the round mark ing 5 on the side of the roller and the round marking 7 on the collar silver colored are toward the rear of th...

Page 292: ...ng the feed ing roller 3 to the feeding roller shaft 4 be sure that the round marking 5 is toward the front of the machine F06 204 07 2 4 6 Orientation of the Feeding Roller of the Side Paper Deck When mounting the feeding roller assembly 1 to the side paper deck pickup assembly be sure that the belt pulley 2 is toward the front of the machine When mounting the feed ing roller 3 to the feeding rol...

Page 293: ...sette If double feeding or pickup failure occurs during pickup change the position of the pres sure spring of the separation roller If double feeding occurs move the hook of the spring in the direction of B If pickup failure occurs move the hook of the spring in the direction of A 1 Feeding roller 2 Separation roller 3 Locking lever 4 Pressure spring F06 204 09 1 2 3 4 A B ...

Page 294: ...essure of the Pickup Feeding Roller of the Manual Feed Tray If double feeding or pickup failure occurs during pickup adjust the position of the separa tion roller If double feeding occurs move the hook of the spring in the direction of A If pickup failure occurs move the hook of the spring in the direction of B F06 204 10 B A ...

Page 295: ...L9 SL10 SL7 SL8 SL6 SL11 SL3 SL4 SL2 SL1 SL 2 SL 3 SL 8 SL 7 SL 9 10 SL 4 SL 11 SL 101 Side paper deck Solenoid SL 2 Solenoid SL 2 10 5 0 5mm Solenoid SL 4 Solenoid SL 3 8 2mm 50 0 5mm 36 0 5mm 34 5 0 5mm No adjustment needed Screws Solenoid SL 101 0 4 0 2mm Solenoid SL 6 SL 6 Push fully A If the fixing web is new If the fixing web has been in use ...

Page 296: ...iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 27 2 4 10 Position of the Fixing Web Solenoid SL2 a If the Fixing Web Is New Use the screw 2 to adjust the position of the solenoid 1 so that the travel of the drive lever is 8 2 mm F06 204 12 8 2mm 1 2 ...

Page 297: ... b If the Fixing Web Has Been in Use Before removing the solenoid take note of the position A of the drive lever when the solenoid 1 is ON after replacement adjust the position of the drive lever using the screw 2 so that it is the same as it was before removal when the solenoid goes on F06 204 13 A 1 2 ...

Page 298: ...R 2001 CHAPTER 6 TROUBLESHOOTING 6 29 2 4 11 Position of the Delivery Flapper Solenoid SL3 Use the screw 2 to adjust the position of the solenoid so that when the solenoid 1 goes on i e when steel core is drawn the drive lever is fully pushed F06 204 14 1 2 Push fully ...

Page 299: ...BLESHOOTING 6 30 2 4 12 Position of the Fixing Feeding Unit Locking Solenoid SL4 Adjust the position of the solenoid using the screw 3 so that the locking lever 2 will stick out 10 5 0 5 mm from the frame when the solenoid 1 goes ON i e the steel core is drawn F06 204 15 10 5 0 5mm 1 2 3 ...

Page 300: ...HOOTING 6 31 A 1 2 0 4 0 2mm 0 4 0 2mm 2 4 13 Adjusting the Position for the Multifeeder Pickup Latch Solenoid SL6 Adjust the solenoid in the direction of A to adjust so that the gap between the shutter 1 and the shutter plate 2 is 0 4 0 2 mm when the solenoid is pulled F06 204 16 F06 204 17 ...

Page 301: ...Position of the Deck right Pickup Solenoid SL7 Adjust the position using the screw 1 so that when 1 and 2 in the following figure are operated and the plunger of the pickup roller releasing solenoid is pulled the distance from the bottom of each pickup unit to the bottom edge of the bushing of the roller support plate is 34 5 0 5 mm F06 204 18 ...

Page 302: ... Position of the Deck left Pickup Solenoid SL8 Adjust the position using the screw 1 so that when 1 and 2 in the following figure are operated and when the plunger of the pickup roller releasing solenoid is pulled the distance from the bottom of each pickup unit to the bottom of the bushing of the roller support plate is 50 0 5 mm F06 204 19 ...

Page 303: ...ion for the Cassette 3 4 Pickup Solenoid SL9 10 Adjust the position using the screw 1 so that when 1 and 2 in the following figure are operated and when the plunger of the pickup roller releasing solenoid is pulled the distance from the bottom of each pickup unit to the bottom edge of the bushing of the roller support plate is 36 0 5 mm F06 204 20 ...

Page 304: ...f the solenoid with reference to the scale on the sup port plate Or mark the position for the solenoid itself on the support plate using a scriber If you are replacing the solenoid on its own be sure to secure the solenoid exactly where the old solenoid was found F06 204 21 2 4 18 Attaching the Timing Belt for the Manual Feed Tray Assembly Side Guide Butt the rack plate 1 of the manual feed tray a...

Page 305: ...0 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 36 Pickup motor Pickup drive belt Main drive belt Main motor Developing waste toner drive belt 2 4 19 Attaching the Drive Belts Be sure to attach the drive belts on the pulleys and the rollers as shown F06 204 23 ...

Page 306: ...ght and the sub heater 400 W for 100V model 600 W for 208V model 645W for 230V model on the left 4 When viewing from the rear connect the faston for the heater at the rear so that the right side is to the main heater and the top side is to the sub heater Height of the Fixing Assembly Inlet Guide F06 205 01 If you should remove the inlet guide base you will have to adjust the posi tion of the inlet...

Page 307: ... Generating Output for Measuring the Nip Width Before measuring the nip width wait for 15 min after the end of the machine s warm up period and make 20 A4 copies 1 Place A3 copy paper in the manual feed tray 2 Make the following selections in service mode to generate output COPIER FUNCTION FIXING NIP CHK The A3 cop paper will be picked up and a copy F06 205 02 will be delivered Dimension Take meas...

Page 308: ...lug from the power outlet The machine remains supplied with power as long as its power plug is con nected to a power outlet even when its main power switch is turned off Be sure to disconnect the power plug 3 Replace the laser unit 4 Take notes of the label settings LA DELAY on the new laser unit 5 After assembling the machine connect the power plug to the power outlet and turn on the main power s...

Page 309: ...ing the Laser Power 1 Check to make sure that the Data lamp in the control panel is OFF and turn off the main paper switch 2 Disconnect the power plug from the power outlet 3 Remove the copyboard glass 4 Open the laser power check slot cover 1 F06 206 01 5 Shift the switch on the laser power checker FY9 4008 to 2 1 ...

Page 310: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 41 6 Fit the laser power checker with its light receiving face 1 as indicated F06 206 02 1 ...

Page 311: ... the power outlet and turn on the main power switch 9 Make the following selections in service mode COPIER FUNCTION LASER 10 Select POWER A and press the OK key 11 See that the reading of the digital multimeter is 9 to 11 mV indicating the power of laser A is correct 12 Select POWER B and press the OK key 13 See the the reading of the digital multimeter is 9 to 11 mV indicating that the power of l...

Page 312: ... turned off Be sure to disconnect the power plug 3 Replace the Standard white plate unit 4 After assembling the machine connect the power plug to the power outlet and turn on the main power switch 5 Execute the following service modes in sequence 1 COPIER FUNCTION CCD CCD ADJ 2 COPIER FUNCTION CCD LUT ADJ 6 See that all items of COPIER ADJUST CCD and all data of COPIER ADJUST LAMP L DATA are updat...

Page 313: ...COPIER ADJUST CCD and all data of COPIER ADJUST LAMP L DATA are updated Record the results on the service la bel 7 Turn off and then on the main power switch 2 7 4 Points to Note when Replacing the CCD Unit 1 Check to make sure that the Execute Memory lamp in the control panel is OFF and turn off the main power switch 2 Disconnect the power plug from the power outlet The machine remains supplied w...

Page 314: ...k to make sure that they are free of displaced images Otherwise execute the following Book Mode A COPIER ADJUST ADJ XY ADJ X B COPIER ADJUST ADJ XY ADJ Y F06 207 01 Feeder Mode C COPIER ADJUST ADJ Y DF F06 207 02 9 Execute the following in service mode to generate a service label FUNCTION MISC P LBL PRINT Store the service label in the service book case C B A ...

Page 315: ...wer outlet even when its main power switch is turned off Be sure to disconnect the power plug 4 Replace the reader controller PCB 5 After assembling the machine connect the power plug to the power outlet and turn on the main power switch 6 Execute the following in service mode COPIER FUNCTION CLEAR R CON 7 Turn on and then off the main power switch 8 Execute the following in service mode COPIER FU...

Page 316: ...e main power switch 2 7 7 Replacing the HDD Unit When replacing the HDD unit take note of the following 1 Provide measures against static charges to avoid static destruction 2 Protect the HDD unit against impact 1 Replace the HDD unit 2 After assembling the machine connect the power plug to the power outlet 3 Connect a PC To which the Service Support Tool has been installed 4 Turn on the PC while ...

Page 317: ...g from the service label COPIER ADJUST LASER all items COPIER ADJUST DEVELOP all items COPIER ADJUST DENS all items COPIER ADJUST BLANK all items COPIER ADJUST V CONT all items COPIER ADJUST HV PRI all items COPIER ADJUST HV TR all items COPIER ADJUST HV SP all items COPIER ADJUST FEED ADJ all items COPIER ADJUST CST ADJ all items COPIER ADJUST EXP LED all items 6 Enter the settings 4 types record...

Page 318: ...ge DC PCB 2 Assemble the machine then connect the power plug to the power outlet and turn on the main power switch 3 Enter the values 4 types indicated on the label on the new high voltage DC PCB in ser vice mode F06 207 05 4 Turn off and then on the main power switch COPIA ADJUST DEVELOP HVT DE COPIA ADJUST HV SP HVT SP COPIA ADJUST HV TR HVT TR COPIA ADJUST HV TR H PRE TR ...

Page 319: ...plug to the power outlet and turn on the main power switch and the control panel power switch 6 Enter the settings recorded in step 4 in service mode COPIER ADJUST LASER LA DELAY 2 7 11 Replacing the Potential Sensor Potential Control PCB 1 Check to make sure that the Execute Memory lamp in the control panel is OFF and turn off the main power switch 2 Disconnect the power plug from the power outle...

Page 320: ...0 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 51 5 Disconnect the connector 1 of the potential sensor F06 207 06 6 Remove the two screws 1 and detach the potential sensor support plate 2 F06 207 07 1 2 1 ...

Page 321: ... initial positions 8 Connect the connector 1 of the potential sensor F06 207 08 9 Fit the potential sensor checking electrode FY9 3041 2 to the potential sensor 1 F06 207 09 When mounting the potential sensor checking electrode to the potential sen sor take care so that the magnet of the checking electrode will not come into contact with the potential sensor cover 1 1 2 ...

Page 322: ... Insert the door switch actuator into the door switch assembly 12 Connect the power plug to the power outlet and turn on the main power switch 13 Execute the following in service mode COPIER FUNCTION DPC OFST 14 Record the setting of OFST on the service label 15 Turn off the main power switch 16 Disconnect the power plug from the power outlet 17 Detach the potential sensor checking electrode 18 Pu...

Page 323: ...In addition non auto control mode may be made use of as an emergency remedy in the event a fault occurs in the auto control mechanism 1 Procedure 1 Make the following selections in service mode and enter 0 COPIER OPTION BODY P0 CNT then press the OK key 2 Press the reset key twice When non auto control mode is selected all settings for corona current con trol intensity control and developing bias ...

Page 324: ...l is 0 V Using a zero level check the microprocessor on the DC control PCB and the measure ment unit may be checked In method 1 the condition of the level shift circuit on the DC controller PCB may be checked while in method 2 the potential control circuit may be checked 1 Method 1 1 Turn off the power switch 2 Short J522 1 and 2 on the DC controller PCB with a jumper wire and disconnect connector...

Page 325: ...e the following selections in service mode COPIER DISPLAY DPOT DPOT K and check to see that the reading of initial rotation is between 0 and 30 If not suspect a fault in the DC controller PCB 5 Turn off the power switch and detach the door switch actuator 6 Detach the jumper wire from the DC controller PCB 7 Connect the connector to J3 of the potential control circuit 8 Turn on the power switch J3...

Page 326: ... 6 TROUBLESHOOTING 6 57 2 Method 2 1 Turn off the power switch 2 Remove the developing assembly and slide out the process unit 3 Disconnect the connector 1 of the potential sensor F06 207 12 4 Remove the two screws 1 and detach the potential sensor support plate 2 F06 207 13 1 2 1 ...

Page 327: ...C 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 58 5 Put the developing assembly and the process unit back to their original positions 6 Connect the connector of the potential sensor F06 207 14 1 ...

Page 328: ...BLESHOOTING 6 59 7 Fit the potential sensor checking electrode FY9 3041 2 to the potential sensor 1 When fitting the checking electrode to the potential sensor take care so that the magnet of the checking electrode will not come into contact with the potential sensor cover F06 207 15 1 2 ...

Page 329: ...switch After turning on the power switch do not touch the potential sensor assem bly 11 Make the following selections in service mode and check to see that the reading for initial rotation is between 0 and 30 COPIER DISPLAY DPOT DPOT K REF 1 If the reading in method 1 is as indicated but the reading in method 2 is not as indicated Suspect dirt on the sensor or a fault in the potential measurement ...

Page 330: ...000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 61 12 Turn off the power switch 13 Detach the potential sensor checking electrode 14 Mount the potential sensor support plate 15 Turn on the power switch ...

Page 331: ...transfer µA 0 2 4 6 8 10 12 14 15 17 19 21 23 25 27 29 30 32 34 36 38 40 42 44 45 47 49 51 53 55 57 59 60 62 64 66 Transfer µA 0 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 65 69 73 77 81 85 89 93 97 101 105 109 113 117 121 125 129 134 138 142 Separation µA 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 Control V 3 00 3 05 3...

Page 332: ...A 68 70 72 74 75 77 79 81 83 85 87 89 90 92 94 96 98 100 102 104 105 107 109 111 113 115 117 119 120 122 124 126 128 130 132 134 135 137 Transfer µA 146 150 154 158 162 166 170 174 178 182 186 190 195 199 203 207 211 215 219 223 227 231 235 239 243 247 251 255 260 264 268 272 276 280 284 288 292 296 Separation µA 180 185 190 195 200 205 210 215 220 225 230 235 240 245 250 255 260 265 270 275 280 2...

Page 333: ... 149 150 152 154 156 158 160 162 164 165 167 169 171 173 175 177 179 180 182 184 186 188 190 192 194 195 197 199 201 203 205 207 209 Transfer µA 300 304 308 312 316 320 325 329 333 337 341 345 349 353 357 361 365 369 373 377 381 385 390 394 398 402 406 410 414 418 422 426 430 434 438 442 446 450 Separation µA 370 375 380 385 390 395 400 405 410 415 420 425 430 435 440 445 450 455 460 465 470 475 4...

Page 334: ...222 224 225 227 229 231 233 235 237 239 240 242 244 246 248 250 252 254 255 257 259 261 263 265 267 269 270 272 274 276 278 280 Transfer µA 454 459 463 467 471 475 479 483 487 491 495 499 503 507 511 515 520 524 528 532 536 540 544 548 552 556 560 564 568 472 476 580 585 589 593 597 601 605 Separation µA 560 565 570 575 580 585 590 595 600 605 610 615 620 625 630 635 640 645 650 655 660 665 670 67...

Page 335: ...40 30 20 10 0 Developing bias V 562 566 570 573 577 581 585 588 592 596 600 Pre transfer µA 282 284 285 287 289 291 293 295 297 299 300 Transfer µA 609 613 617 621 625 629 633 637 641 645 650 Separation µA 750 755 760 765 770 775 780 785 790 795 800 Control V 10 50 10 55 10 60 10 65 10 70 10 75 10 80 10 85 10 90 10 95 11 00 T06 208 05 ...

Page 336: ...alone for 5 min 5 Make the following selections in service mode COPIER DISPLAY ANALOG Then check and record the temperature and humidity readings on the control panel display data B RTMP C data B1 RHUM data B2 6 Compare data A and data B The difference between data A1 and data B1 is 0 5 The difference between A2 and B2 is 0 20 If the difference between data A and data B is not as indicated replace...

Page 337: ...ervice mode a Using a Meter 1 Set the meter range to 30 VDC 2 Connect the probe of the meter to GND of the DC controller PCB 3 Connect the probe of the meter to the terminals DC controller PCB indicated in the following table 4 Make checks as instructed b Using Service Mode 1 Start service mode COPIER I O and check the appropriate address Turning on off a sensor can start the machine s motor or th...

Page 338: ... standby put paper over the detecting lever of PS12 In standby put paper over the detecting lever of PS13 In standby put paper over the detecting lever of PS14 When the light block ing plate is at PS1 When the light block ing plate is not at PS1 When the light block ing plate is at PS3 When the light block ing plate is not at PS3 When the cover is closed When the cover is opened When paper is not ...

Page 339: ... the de tecting lever by hand In standby move the de tecting lever by hand When paper is put When paper is not put When paper is put When paper is not put When paper is put When paper is not put When the light block ing plate is not at PS18 When the light block ing plate is at PS18 When paper is put When paper is pulled When the light block ing plate is not at PS20 When the light block ing plate i...

Page 340: ... light block ing plate is not at PS26 When the light block ing plate is at PS26 When the light block ing plate is at PS27 When the light block ing plate is not at PS27 When the light block ing plate is at PS28 When the light block ing plate is not at PS28 When the light block ing plate is at PS31 When the light block ing plate is not at PS31 When the light block ing plate is at PS32 When the light...

Page 341: ...he light block ing plate is at PS39 When the light block ing plate is not at PS39 When the light block ing plate is at PS40 When the light block ing plate is not at PS40 When the light block ing plate is at PS41 When the light block ing plate is not at PS41 When the light block ing plate is at PS42 When the light block ing plate is not at PS42 When the light block ing plate is at PS43 When the lig...

Page 342: ... de tecting lever by hand In standby move the de tecting lever by hand When the light block ing plate is at PS49 When the light block ing plate is not at PS49 When the light block ing plate is at PS51 When the light block ing plate is not at PS51 When the light block ing plate is at PS52 When the light block ing plate is not at PS52 When the light block ing plate is at PS54 When the light block in...

Page 343: ... d The site is not exposed to the direct rays of the sun otherwise curtains are provided e The site is well ventilated f The machine is kept level g The machine remains powered at night Check the site against the above requirements 3 1 2 Checking the Originals Against Symptoms Find out whether the problem is caused by the machine or the originals a The copy density must normally be set to 5 1 b Or...

Page 344: ...eck to make sure that there is an even coating of toner on the surface of the develop ing cylinder c Check the connection between the developing assembly and the machine 3 1 6 Checking the Paper a Check to make sure that the paper is of a type recommended by Canon b Check to make sure that the paper is not miost Try copy paper fresh out of package to make copies 3 1 7 Checking the Periodically Rep...

Page 345: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 76 ...

Page 346: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 77 ...

Page 347: ... CHAPTER 6 TROUBLESHOOTING 6 78 3 2 Sample Faulty Images Note These samples have been prepared artificially They may appear somewhat different from actual faulty images because they have been generated using A3 copies made of the NA3 Test Sheet and reducing them to about 19 ...

Page 348: ...form the fol lowing once again 1 Check the standard white plate for dirt 2 Execute the following in service mode COPIER FUNCTION CCD CCD ADJ AE adjustment 3 Make copies in AE mode Is the density normal YES End Developing assembly 4 Are the support members of the developing assembly in firm con tact with the drum NO Check how the developing assembly is locked in position YES Check to make sure that...

Page 349: ... 4 Is the transfer separation charging assembly securely fitted NO Fit the charging assembly securely 5 Vary the setting of the following service mode between 1 and 3 to suit the environment and make copies COPIER OPTION BODY FUZZY Is the problem corrected YES End The problem is caused by the environment NO Set FUZZY to 1 and make the checks that follow Transfer Transfer guide 6 Measure the resist...

Page 350: ... the charging assembly securely Potential control Photosensitive drum Developing bias control 9 Turn offf and then on the power switch Check the setting of VLIM and VDM in service mode COPIER DISPLAY DPOT Are they as follows VL1M from 50 to 90 VDM from 360 to 420 NO Check the power supply control system if normal replace the pho tosensitive drum YES Check the control system of the developing bias ...

Page 351: ...ing plate side reflecting plate mir ror lens and dust proofing glass Is the problem corrected YES End Pre exposure lamp 4 Is the pre exposure lamp ON evenly during copying operation NO 1 Replace the pre exposure lamp 2 Replace the DC controller PCB Developing assembly Charging assembly Copy paper 5 Is the developing cylinder coated evenly with toner NO 1 Clean the tip f the blade of the developing...

Page 352: ...ntrol COPIER OPTION BODY P0 CNT Is the problem corrected YES The cause is in the potential control system Make checks as in structed in 2 7 6 Checking the Surface Potential Control System Cleaner assembly 5 Is the cleaning blade correctly mounted NO Mount the cleaning blade correctly Pre exposure lamp DC controller PCB 6 Is the pre exposure lamp ON during copying operation NO 1 Replace the pre exp...

Page 353: ...hanism in chapter 6 2 7 12 Checking the surface Potential Control System Primary charging assembly 3 Clean the primary charging wire grid wire and shielding plate Is the problem corrected YES End Pre exposure lamp 4 Clean the pre exposure lamp Is the problem corrected YES End Fixing assembly 5 Using the door switch actuator make copies with the front cover open Turn off the power switch while copy...

Page 354: ...r scratches and black line 2 Web for dirt 3 Thermistor separation claw for dirt reciprocating movement Primary charging assembly dirt 3 Clean the primary charging assembly Is the problem corrected YES End Photosensitive drum cleaner 4 Is there paper or foreign matter trapped on the cleaning blade of the cleaner assembly YES Remove the foreign matter and clean the cleaning blade and the cleaner ext...

Page 355: ...ve drum 4 Is there a scratch in the peripheral direction of the surface of the photosensitive drum corresponding to the problem in the image YES Be sure to find out the cause of the scratch and replace the photo sensitive drum Developing assembly 5 Is the developing cylinder coated with an even layer of toner NO 1 Check to see if there is a collection of paper lint on the edge of the blade of the ...

Page 356: ...tion charging assembly and the pre trans fer charging assembly Is the problem corrected YES End NO Perform the following 1 Vary the setting of the following in service mode COPIER OPTION BODY TRNSG SW 2 Vary the setting of the following in service mode COPIER OPTION BODY FUZZY Charging wire cleaner 8 Is the charging cleaning pad stopped in the middle YES Execute wire cleaning user mode adjust clea...

Page 357: ...m occur at intervals of about 340 mm YES Perform the following 1 Clean the drum 2 If a scratch is found on the surface of the drum replace the drum Copy paper 3 Try fresh copy paper Is the problem corrected YES The copy paper is moist Advise the user on the correct method of storing paper place Scanner rail Scanner cable 4 Does the problem occur only in copy images YES Perform the following 1 Chec...

Page 358: ...ing 1 Clean the fixing assembly lower roller 2 Clean the fixing assembly inlet guide 3 Check the fixing upper roller and the web for dirt NO Perform the following 1 Check the registration roller for dirt 2 Check the delivery roller and the separation claw for dirt 3 3 14 The copy has faulty fixing Copy paper 1 Does the paper have poor fixing e g thick paper YES Start user mode and select thick pap...

Page 359: ...sing the following sources of paper Is the displaced leading edge of each different from that of another 1 Left right front deck 2 Cassettes 3 Side paper deck 4 Duplexing feeding assembly YES Check the faulty source of paper for the following 1 Rollers if they reached the end of life 2 Rollers for dirt 3 Paper path for dirt Registration clutch Registration roller 3 Make adjustments in service mode...

Page 360: ...hly NO Clean the surface of the scanner rail with solvent then apply a small amount of silicone oil S 20 Photosensitive drum 3 Does the problem occur at intervals of about 340 mm YES Perform the following 1 Check the drum gear 2 Check the drum ends in contact with the developing members for a scratch or protrusion Drum drive gear 4 Does the problem occur at intervals of about 4 mm YES Check the dr...

Page 361: ...against a Direct copy Is the problem at different locations NO Check the scanner YES Check the feeding system 3 3 20 The copy has poor sharpness Copyboard glass 1 Is there oil or the like on the copyboard glass YES Clean the copyboard glass Mirror position 2 Is the horizontal reproduction ratio of Direct copies as indicated NO Adjust the distance between No 1 mirror and No 2 mirror Scanner dirt 3 ...

Page 362: ...ng assembly YES Check the transfer charging assembly CCD unit Relay PCB 5 Is the voltage supplied to the CCD unit as rated NO Perform the following 1 Check the relay PCB 2 Check the power path between the CCD unit and the relay PCB if normal replace the CCD unit Laser unit Image processor PCB Drum unit 6 Is the laser output normal NO Perform the following 1 Replace the laser unit 2 Replace the ima...

Page 363: ...ry charging assembly 3 Make the following selections in service mode COPIER DISPLAY DPOT Is the reading of VDM between 360 and 420 NO Check the primary charging assembly 4 Is the connection between the following PCBs normal 1 Image processor PCB 2 CCD unit 3 DC controller PCB 4 Relay PCB NO Connect them properly Reader controller PCB CCD unit 5 Does the problem occur only in copy images NO Perform...

Page 364: ...DISPLAY ANALOG Is overheating noted for both FIX C and FIX E YES The thermistor is faulty check the following Thermistor for mounting condition Thermistor surface for dirt Connection DC controller PCB 2 Turn offf the power switch cooling the fixing upper roller suffi ciently and turn on the power switch Reset E000 and turn offf and then on the power switch Make the following selections in ser vice...

Page 365: ...ng condition and connection Turn on the power switch and make the following selections in ser vice mode to reset E001 COPIER FUNCTION CLEAR ERR Then turn offf and then on the power switch Make the following selections in service mode COPIER DISPLAY ANALOG Are readings of both FIX C and FIX E 200 C or higher YES Replace the AC driver PCB Thermistor TH1 TH2 DC controller PCB 2 Replace the thermistor...

Page 366: ... item 2 Is the contact of the connectors on the DC controller PCB and the connector J505 inside the fixing assembly good In addition is the wiring from the thermistor to the DC controller PCB good NO Correct the connection Main thermistor TH1 3 Is the thermistor in even contact with the fixing upper roller NO Mount it properly Main thermistor TH1 dirt 4 Clean the contact face of the thermistor Is ...

Page 367: ...or 3 Is the web absent sensor PS7 normal See the instructions on how to check photointerrupters YES Replace the DC controller PCB NO Replace the sensor 4 1 7 E010 1 Is the connector of the main motor connected NO Connect the connector 2 Is the connector J1720 of the relay PCB connected NO Connect the connector Relay PCB 3 Close all doors When the power switch is turned on is the voltage between J1...

Page 368: ...eplace the DC controller PCB Connector 3 Are the connectors J601 and J602 on the drum motor connected firmly NO Connect the connectors YES Replace the drum motor 4 1 9 E013 Waste toner feedscrew locking 1 Does the waste toner feedscrew drive gear push the waste toner feedscrew lock detecting switch MSW2 NO It is likely that the feedscrew inside the waste toner pipe is pre vented from rotating Remo...

Page 369: ... Start key is pressed does the voltage between J508 A18 and J508 A16 change from 0 to about 5 V NO Replace the DC controller PCB YES Replace the fixing motor 4 1 11 E015 1 Are the connectors J621 and J622 of the pickup motor connected NO Connect the connectors Relay PCB 2 Check to make sure that all doors are closed Is the voltage between J1721 11 and 12 of the relay PCB 38 V NO Replace the relay ...

Page 370: ... toner case base 2 Does the waste toner case base move smoothly NO Correct the base Connector 3 Is the connector J514 on the DC controller PCB connected firmly NO Connect it firmly Waste toner full sensor DC controller PCB 4 Try replacing the waste toner full sensor PS19 Is the problem cor rected YES If the cable connection up to the DC controller PCB is normal re place the waste toner full sensor...

Page 371: ...1 Does the clutch operate normally NO Check the connection if normal replace the clutch Hopper drive clutch CL1 3 Check the operation of the hopper motor M18 in reference to MTR Does the motor operate normally NO Check the connection if normal replace the motor YES Check the following Magnet roller inside the hopper for rotation Area between hopper and inside the developing assembly for toner clog...

Page 372: ...troller 2 Try replacing the copy data controller NE controller Is the problem corrected NO Replace the DC controller PCB YES Correct the problem 4 1 16 E043 Side deck driver PCB 1 Is there electrical continuity between the connectors on the side deck driver PCB indicated inthe following table NO Replace the side deck driver PCB Deck main motor M101 DC controller PCB 2 Try replacing the deck main m...

Page 373: ...kless feed driver PCB Is there electri cal continuity between the following pins of the jacks on the motor side J3603 B4 B5 B3 J3603 B2 B6 B1 NO Replace the horizontal registration motor M15 Manual feed tray open closed detecting switch MSW5 3 Is the mounting condition of the manual feed tray open closed de tecting switch MSW5 normal NO Mount the switch properly Stackless feed driver PCB DC contro...

Page 374: ...ry charging assembly mounted properly NO Mount the assembly properly Contact 3 Is the contact of the primary charging assembly soiled with dirt NO Correct the problem Connection 4 Is the connection of the following on the HV DC controller PCB se cure See F06 401 01 T601 J723 J730 NO Connect the connectors securely Wiring HV DC controller PCB 5 Check the wiring connection from the HV DC PCB to the ...

Page 375: ...on the HV DC PCB connected nor mally and the screws fitted normally See F06 401 02 J721 J723 J730 NO Connect the connectors securely Wiring 3 Is the wiring from the HV DC PCB to each charging assembly and the wiring connection from the HV AC PCB to each charging as sembly normal NO Correct the wiring connection HV AC PCB HV DC PCB 4 Disconnect the connector J722 from the HV DC PCB and make copies ...

Page 376: ...n Separation charging assembly 3 Disconnect the connector T1 S from the transformer assembly of the HV AC PCB and make copies Is E068 indicated See F06 401 04 NO Clean the HV AC PCB and make copies If E068 is indicated re place the separation charging assembly Pre transfer charging assembly HV DC PCB 4 Disconnect the connector T1 Q from the transformer assembly of the HV AC PCB and make copies Is ...

Page 377: ... connectors on the HV DC PCB normal Further are the screws fitted normally T701 J723 J730 NO Correct the connection Wiring 3 Is the wiring from the HV DC PCB to the transfer separation charging assembly transfer charging assembly side normal NO Correct the wiring HV DC PCB Transfer serration charging assembly 4 Try replacing the HV DC PCB Is the problem corrected NO Replace the transfer separation...

Page 378: ...PCB Laser output DC controller PCB 2 Is the reading of VDM between 360 and 420 YES Check the following Laser output Laser optical path for foreign matter NO Replace the DC controller PCB 4 1 23 E110 Connector 1 Is the connector J762 on the laser scanner motor driver PCB con nected securely NO Connect the connector securely Connector 2 Is the connector J503 on the DC controller PCB connected se cur...

Page 379: ...fan FM14 DC controller PCB 3 Try replacing the laser scanner fan FM14 Is the problem cor rected YES End NO Replace the DC controller PCB 4 1 25 E121 0001 Foreign matter 1 Is there foreign matter that prevents the rotation of the fan around the scanner cooling fan YES Remove the foreign matter Connector 2 Is the connector J503 on the Reader controller PCB connected se curely NO Connect the connecto...

Page 380: ... home position NO See The scanner fails to move forward Connector 2 Is the connector J1702 of the relay PCB connected properly NO Connect the connector properly Scanner home position sensor PS1 Reader controller PCB 3 Is the scanner home position sensor PS1 normal See the descrip tions on how to check photointerrupters YES Check the wiring from the reader controller PCB to PS1 if normal replace PS...

Page 381: ...ader controller PCB 3 Try replacing the light control PCB Is the problem corrected YES End NO Replace the Reader controller PCB 4 1 31 E218 Mounting condition 1 Is the fluorescent lamp mounted securely NO Mount it securely Connector 2 Are the connectors J1002 and J1003 on the inverter PCB connected securely NO Connect the connectors securely Fluorescent lamp Reader controller PCB 3 Try replacing t...

Page 382: ...trol PCB Reader controller PCB 3 Try replacing the light control PCB Is the problem corrected YES End NO Replace the Reader controller PCB 4 1 35 E226 Foreign matter 1 Is there foreign matter that prevents the rotation of the fan around the scanner cooling fan YES Remove the foreign matter Connector 2 Is the connector J503 on the Reader controller PCB connected se curely NO Connect the connector s...

Page 383: ...riginal orientation detection PCB mounted securely NO Mount the PCB securely Original orientation detection PCB Reader controller PCB 2 Try replacing the original orientation detection PCB Is the prob lem corrected YES End NO Replace the DC controller PCB 4 1 38 E243 Main controller PCB 1 Turn offf and then on the power switch Is the problem corrected YES End NO Replace the Main controller PCB Con...

Page 384: ...PCB connected se curely NO Connect the connector securely Inverter cooling fan FM9 Reader controller PCB 3 Try replacing the inverter cooling fan FM9 Is the problem cor rected NO End YES Replace the Reader controller PCB 4 1 40 E302 4 1 41 E320 Connector 1 Are the connectors on the CCD PCB J1502 J1503 and the Reader controller PCB J1105 connected securely NO Connect the connectors securely CCD PCB...

Page 385: ...iring 1 Is the connection and the cable between the CCD PCB and the reader controller PCB normal NO Correct the connector and the cable CCD PCB 2 Try replacing the CCD PCB Is the problem corrected YES End Reader controller PCB 3 Try replacing the reader controller PCB Is the problem corrected YES End 4 1 44 E400 Communication cable 1 Is the connection of the cable between the ADF and the machine n...

Page 386: ...2 Does the belt motor M2 rotate To stop press the push switch SW2 once again YES Go to step 3 Belt motor M2 2 Disconnect the connector J72 on the belt motor driver PCB Set the meter range to 1Ω Ω Ω Ω Ω and connect the meter probes as indi cated Is the resistance about 1 1Ω Ω Ω Ω Ω for each F06 401 07 NO Replace the belt motor M2 1 3 1 4 2 5 2 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 J72 M...

Page 387: ...sor PI1 Cable 4 Is the cable between the belt motor driver PCB and the ADF con troller PCB connected properly NO Connect the cable correctly Belt motor driver PCB ADF controller PCB 5 Replace the belt motor driver PCB Is the problem corrected YES Replace the belt motor driver PCB NO Replace the ADF controller PCB 4 1 46 E404 1 Set the DIP switch SW1 on the ADF controller PCB as indicated F06 401 0...

Page 388: ...meter probes as indi cated Is the resistance about 15Ω Ω Ω Ω Ω F06 401 09 NO Replace the delivery motor M5 After replacement be sure to per form Adjusting the Sensor and the Delivery Motor Delivery Motor Clock Sensor PI11 ADF controller PCB 3 Set the meter range to 10 VDC Turn the delivery motor by hand Does the voltage between connectors J3 2 and J3 1 on the ADF controller PCB change between 0 V ...

Page 389: ...Disconnect the connector J8 of the ADF controller PCB Set the meter range to 1Ω Ω Ω Ω Ω and connect the connector as indicated Is the resistance about 5 0Ω Ω Ω Ω Ω F06 401 11 NO Replace the separation motor M4 Separation motor clock sensor PI2 ADF controller PCB 3 Set the meter range to 10 VDC Rotate the separation motor by hand Is the voltage between con nectors J12 5 and J12 4 on the ADF control...

Page 390: ...e push switch SW3 SW4 Does the motor M3 rotate To stop press the push switch SW2 once again YES Go to step 3 Pickup motor M3 2 Disconnect the connector J11 of the ADF controller PCB Set the meter range to 1Ω Ω Ω Ω Ω and connect the meter probes as indi cated Is the resistance about 74Ω Ω Ω Ω Ω for each F06 401 13 NO Replace the pickup motor M3 2 4 2 6 1 3 1 5 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 ...

Page 391: ...ler height sensor 2 PI9 Pickup roller home position sensor P7 5 Set the meter range to 10 VDC Move the pickup roller unit front up and down by hand Is the voltage between J14 A5 and J14 A4 on the ADF controller PCB about 5 V NO Replace the pickup roller home position sensor PI7 ADF controller PCB 6 Replace the ADF controller PCB Is the problem corrected YES Replace the ADF controller PCB 4 1 49 E4...

Page 392: ...403 and the image processor PCB J1102 J1103 nor mal NO Correct the connection Hard disk 3 Try repacking the hard disk Is the problem corrected YES End Image processor PCB MFC PCB 4 Try replacing the image processor PCB Is the problem corrected YES End NO Replace the MFC PCB 4 1 51 E602 System software 1 Has the system software been installed NO Install the system software Connector 2 Are the conne...

Page 393: ... Riser PCB Main controller PCB 3 Try replacing the riser PCB Is the problem corrected YES End NO Replace the main controller PCB 4 1 54 E710 0001 Reader controller PCB E710 0002 DC controller PCB E710 0003 Main controller PCB 4 1 55 E711 0001 Reader controller PCB E711 0002 DC controller PCB E711 0003 Main controller PCB Malfunction each controller PCB 1 Turn off and the on the power switch Is the...

Page 394: ...B ADF controller PCB Reader controller PCB 3 Try replacing the ADF controller PCB Is the problem corrected YES End NO Replace the Reader controller PCB 4 1 57 E713 Malfunction 1 Turn offf and then on the power switch Is the problem corrected YES End Connector 2 Is the connector J152 used to connect the finisher and the copier connected securely NO Replace the DC controller PCB Finisher controller ...

Page 395: ...controller NE con troller and the machine normal NO Correct the cable Caution You must clear the error in service mode COPIER FUNCTION CLEAR ERR Copy data controller NE controller 3 Try replacing the copy data controller NE controller Is the problem corrected YES End 4 1 59 E732 Wiring 1 Is the connection and the cable between the main controller PCB and the reader controller PCB normal NO Correct...

Page 396: ... DC controller PCB Is the problem corrected YES End NO Replace the main controller PCB 4 1 61 E737 SDRAM 1 Is the SDRAM on the main controller PCB mounted properly NO Mount the SDRAM properly SDRAM 2 Try replacing the SDRAM Is the problem corrected YES End NO Replace the main controller PCB 4 1 62 E740 Ethernet card 1 Is the Ethernet card mounted properly NO Mount the card properly Ethernet card 2...

Page 397: ...d when the software was up graded NO Install the language module 4 1 65 E800 Malfunction 1 Turn off and then on the power switch Is the problem corrected YES End J24 2 Is the connector J505 on the DC controller PCB and the connector J1719 on the relay PCB connected securely NO Connect the connectors securely Relay PCB DC controller PCB 3 Is the voltage of the connector J505 B13 on the DC controlle...

Page 398: ... fan 1 2 FM11 12 DC controller PCB 3 Try replacing the power supply cooling fan 1 2 Is the problem corrected NO End YES Replace the DC controller PCB 4 1 67 E805 Foreign matter 1 Is three foreign matter that prevents the rotation of the fan around the fixing assembly heat discharge fan YES Remove the foreign matter Connector 2 Is the connector J503 on the DC controller PCB connected se curely NO C...

Page 399: ...M8 DC controller PCB 3 Try replacing the drum fan FM8 Is the problem corrected NO End YES Replace the DC controller PCB 4 1 69 E823 Foreign matter 1 Is there foreign matter that prevents the rotation of the fan around the pre transfer charging assembly YES Remove the foreign matter Connector 2 Is the connector J504 on the DC controller PCB connected se curely NO Connect the connector securely Pre ...

Page 400: ...curely Primary charging assembly fan FM1 DC controller PCB 3 Try replacing the primary charging fan FM1 Is the problem cor rected YES End NO Replace the DC controller PCB 4 1 71 E830 Foreign matter 1 Is there foreign matter that prevents the rotation of the fan around the separation fan YES Remove the foreign matter Connector 2 Is the connector J509 on the DC controller PCB connected se curely NO ...

Page 401: ...e AC driver PCB Is AC power supplied YES End NO Check the wiring of the AC power line and the connectors for poor contact Connector 5 When the control panel power switch is turned on is AC power supplied to the connector J28 on the DC power supply PCB NO Check the connection of the main controller PCB J1021 and the all day power supply PCB J785 All day power supply PCB 6 When the control panel pow...

Page 402: ...ormal NO Correct the connection Fuse FU101 4 Is the fuse FU101 on the DC power supply blown YES Remove the cause of the fuse and replace the fuse Wiring DC load DC power supply PCB 5 Turn offf the main power switch In about 3 min turn on the min power switch Is the voltage between the following terminals on the relay PCB normal However the output voltages in the table assume that the AC input volt...

Page 403: ... place NO Check the pressure spring Vertical path 1 clutch CL8 Vertical path 2 clutch CL9 Vertical path 3 clutch CL13 Vertical path 4 clutch LC15 Pre registration roller clutch CL5 5 Open the right upper cover and the right lower cover and put pa per over the cover open closed sensor and press the Start key Do the vertical path rollers 1 2 3 and 4 and the pre registration roller rotate NO Check th...

Page 404: ...rm 24 to 0 V when the Start key is pressed YES Check the wiring if normal replace the faulty clutch NO Replace the DC controller PCB Sensor Pickup assembly 9 Find out which sensor has detected the jam in service mode COPIER I O IP Is the sensor normal NO Check the wiring and the lever if normal replace the sensor YES Remove the pickup assembly and check the spring Cassette Right deck Left deck 3 4...

Page 405: ...troller PCB about 5 V Right deck PS24 J511 B5 Left deck PS33 J518 B2 NO Check the sensor flag and the wiring if normal replace the sensor Deck limit sensor 4 Check the voltage of the following connectors on the DC controller PCB Is it about 0 V Right deck PS23 J511 B8 Left deck PS34 J518 A5 NO Check the sensor flag and the wiring if normal replace the sensor Lifter motor DC controller PCB 5 Turn o...

Page 406: ... pickup assembly and check the spring and the lever Cassette open closed sensor 4 When the cassette is inserted is the voltage at the following connec tors on the DC controller PCB about 5 V Cassette 3 PS40 J515 B5 Cassette 4 PS45 J517 B5 NO Check the sensor flag and the wiring if normal replace the sensor Lifter motor DC controller PCB 5 Turn on the main power switch and the control panel power s...

Page 407: ...p roller pickup feeding roller and separation roller mounted correctly NO Mount the rollers correctly Manual feed paper sensor PS17 4 Execute the following in service mode When paper is placed in the multifeeder assembly does bit 12 change from 0 to 1 COPIER I O DC CON P004 NO Check the wiring and the sensor flag if normal replace the sensor PS17 J510 B7 B8 B9 on DC controller PCB Manual feed tray...

Page 408: ...he wiring if normal replace the clutch CL18 J513 A6 A7 on DC controller PCB Multifeeder pickup latch solenoid SL6 7 Execute the following in service mode Does the multifeeder pickup roller move up down COPIER FUNCTION PART CHK SL5 up COPIER FUNCTION PART CHK SL6 down OK COPIER FUNCTION PART CHK LS ON OK NO Check the wiring and the link if normal replace the solenoid SL6 J510 10 11 12 on controller...

Page 409: ...FUNCTION PART CHK CL7 OK COPIER FUNCTION PART CHK CL ON OK NO Check the wiring if normal replace the clutch CL8 J511 A3 A4 on DC controller PCB Vertical path 2 clutch 3 Execute the following in service mode Is the sound of the clutch CL9 herd COPIER FUNCTION PART CHK CL9 OK COPIER FUNCTION PART CHK CL ON OK NO Check the wiring if normal replace the clutch CL9 J514 A6 A7 on controller PCB Vertical ...

Page 410: ... Vertical path 4 clutch DC controller PCB 5 Execute the following in service mode Is the sound of the clutch CL15 heard COPIER FUNCTION PART CHK CL5 OK COPIER FUNCTION PART CHK CL ON OK NO Check the wiring if normal replace the clutch CL15 J517 A3 A4 on DC controller PCB YES Replace the DC controller PCB ...

Page 411: ...te the following in service mode When paper is placed in the registration power sensor assembly does bit 11 change from 0 to 1 COPIER I O DC CON P001 NO Check the wiring and the sensor flag if normal replace the sensor PS5 J509 A1 A2 A3 on DC controller PCB Registration roller clutch CL2 DC controller PCB 3 Execute the following in service mode Is the sound of the clutch CL2 heard COPIER FUNCTION ...

Page 412: ...4 Is the scanner rail free of dirt and does the scanner move smoothly when pushed by hand NO Check the surface of the scanner rail for dirt foreign matter and obstacle as necessary clean lubricate or correct Reference If the rail is soiled clean it with alcohol and apply a small amount of silicone oil FY9 6010 Relay PCB 5 Measure the voltage of J801 on the scanner motor driver PCB Is it follows J8...

Page 413: ... normal replace the pre exposure lamp PCB 4 1 82 The scanning lamp fails to go ON Connector 1 Make the following selections in service mode COPIER FUNCTION MISC R SCANLAMP Does the scanning lamp remain ON for 3 sec when the OK key is pressed YES The connector may have poor contact Check the connector Lamp mounting condition 2 Is the scanning lamp LA1 mounted properly NO Disconnect the power plug f...

Page 414: ... and B5 on the DC controller PCB change to 24 V NO Replace the DC controller PCB YES Check the connection of the relay connectors J243 and J245 4 1 84 The toner feed motor M18 inside the hopper fails to rotate 1 Execute the following in service mode COPIER FUNCTION PART CHK MTR Does the toner feed motor inside the hopper rotate NO Go to step 3 DC controller PCB J138 J143 2 Execute the following in...

Page 415: ... Drum heater H3 Drum heater controller PCB 4 Remove the drum Set the meter range to Ω Ω Ω Ω Ω 1 and connect the meter probes across the terminals of the heater Does the index of the meter swing NO Replace the drum heater YES Replace the drum heater controller PCB 4 1 86 The Add Toner message fails to go OFF 1 Is there toner inside the hopper YES Go to step 2 Toner sensor hopper assembly DC control...

Page 416: ...Replace the DC controller PCB 2 Replace the control panel 4 1 88 The Card Reader Set message fails to turn ON Card reader 1 Check to see if the card reader is installed Enter 1 in the follow ing service mode COPIER FUNCTION INSTALL CARD then turn off and then on the power switch Does the message go ON YES Check to find out if the card reader connector has short circuited Control panel Main control...

Page 417: ...ount the sensor correctly 4 1 91 The Add Paper Message fails to go OFF cassette 3 4 Cassette paper sensor cassette 3 PS39 cassette 4 PS44 1 Is the cassette paper sensor mounted correctly Further is the movement of the sensor flag normal NO Mount the sensor correctly Cassette pickup assembly 2 Is the output gear of the lifter motor or the gear of the cassette pickup assembly skipping teeth engageme...

Page 418: ... lever sensor mounted correctly NO Mount the sensor correctly YES Replace the sensor Thermal switch TP1 4 Slide out the fixing assembly and connect the meter probes to both terminals of the thermal switch TP1 Is there electrical continu ity NO Replace the thermal switch unit Fixing heater H1 H2 5 Slide out the fixing assembly and connect the meter probes to both terminals of the fixing heater H1 H...

Page 419: ... the roller is soiled clean it with alcohol If deformation caused by wear is found replace it Belt 4 Is the belt used to transmit drive to the pickup roller attached cor rectly NO Attach the belt correctly Drive belt Gear Coupling 5 Is the drive from the deck main motor transmitted to the pickup assembly through the drive belt gear and coupling NO Check the drive belt gear and coupling Side deck d...

Page 420: ...ring and the lever Deck lifter motor M102 4 Does the deck lifter motor rotate YES Go to step 6 Side paper deck drive PCB Deck open detecting switch SW101 5 Does the voltage between J109 3 on the side deck driver PCB and GND change from about 0 to 5 V when the deck is closed NO Replace the side deck drive PCB YES Check the wiring to the switch if normal replace the switch Deck lifter lower limit de...

Page 421: ... to occur in one of the following locations 1 Pickup assembly 2 Separation feeding assembly 3 Fixing delivery assembly 4 Drum cleaner assembly 5 Holding tray assembly 6 Feeding assembly The discussions of copy paper jams that follow are arranged according to these locations The location of a jam and its nature may be checked in the machine s service mode COPIER DISPLAY JAM F06 501 01 1 2 3 4 5 6 ...

Page 422: ... paper 2 Try paper of a recommended type Is the problem corrected YES Advise the user to use paper of a recommended type DC controller PCB Pickup clutch 3 During copying operation does the pickup roller of the selected source of paper cassette deck manual feed tray rotate NO See the discussions under each fault Pickup roller Guide plate 4 Is the pickup roller deformed or worn YES Replace the picku...

Page 423: ...ide for foreign matter and deformation Registration clutch 5 Is the operation of the registration clutch normal NO Check the registration clutch Transfer separation charging assembly 6 Is the transfer separation charging assembly fitted securely YES Check the transfer separation charging assembly 7 Are there burrs on the paper guide of the transfer separation charging assembly YES Remove the burrs...

Page 424: ... guide Nip width 5 Is the lower roller pressure nip width as indicated NO Adjust the nip width Delivery assembly Web 6 Is the web taken up normally NO Check the fixing cleaning assembly Sensor lever 7 Does each sensor lever move smoothly NO Adjust the lever so that it moves smoothly Delivery sensor 8 Are the outside delivery sensor PS10 and the claw jam sensor PS6 normal NO Replace the sensor Deli...

Page 425: ...rsal motor M11 5 Does the reversal motor M11 rotate at the correct timing NO Replace the reversal motor M11 5 1 5 Cleaning Assembly Transfer separation charging assembly Pre transfer charging assembly 1 Are the transfer separation charging assembly and the pre transfer charging assembly fitted securely NO Fit the transfer separation charging assembly 2 Is the height of the charging wire as indicat...

Page 426: ...y fitted correctly NO Fit the assembly correctly Lower feeding middle clutch CL16 Lower feeding right clutch CL17 2 Is the roller inside the lower feeding assembly rotating correctly NO Replace CL16 or CL17 Pre confluence sensor PS14 Post confluence sensor PS15 3 Are the pre confluence sensor PS14 and the post confluence sen sor PS15 normal NO Replace PS14 or PS15 ...

Page 427: ...p assembly Check the registration roller Copy paper 2 Try fresh paper Is the problem corrected YES The paper may be moist Advise the user on the correct method of storing paper 3 Try paper of a recommended type Is the problem corrected YES Advise the user to use paper of a recommended type Fixing assembly Paper guide 4 Is the paper guide soiled with toner or the like YES Clean the guide with solve...

Page 428: ...COPYRIGHT 2001CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 159 6 Arrangement and Function of Electrical Parts ...

Page 429: ...001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 160 6 1 Clutches F06 601 01 CL18 CL7 CL5 CL6 CL1 CL4 CL9 CL2 CL17 CL16 CL19 CL14 CL15 CL13 CL12 CL8 CL10 CL11 CL21 CL3 CL20 ...

Page 430: ...lutch Vertical path 1 clutch Vertical path 2 clutch Deck right pickup clutch Deck left pickup clutch Cassette 3 pickup clutch Vertical path 3 clutch Cassette 4 pickup clutch Vertical path 4 clutch Lower feeding middle clutch Lower feeding right clutch Manual feed tray feeding clutch Deck left feeding clutch Developing cylinder deceleration clutch Delivery speed switching clutch Notation CL1 CL2 CL...

Page 431: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 162 6 2 Solenoids F06 602 01 SL9 SL10 SL7 SL8 SL6 SL11 SL3 SL4 SL2 ...

Page 432: ...ng cleaning belt solenoid Delivery flapper solenoid Fixing feeding unit locking solenoid Manual feed pickup clutch solenoid Deck right pickup solenoid Deck left pickup solenoid Cassette 3 pickup solenoid Cassette 4 pickup solenoid Reversing flapper solenoid Notation SL2 SL3 SL4 SL6 SL7 SL8 SL9 SL10 SL11 T06 602 01 ...

Page 433: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 164 6 3 Motors F06 603 01 M6 M5 M18 M4 M0 M1 M2 M13 M14 M3 M11 M12 M16 M17 M7 M8 M9 M15 ...

Page 434: ...r motor Pre transfer charging wire cleaning motor Primary charging wire cleaning motor Transfer separation charging wire cleaning motor Duplexing reversal motor Duplexing feed motor Deck right lifter motor Deck left lifter motor Horizontal registration motor Cassette 3 lifter motor Cassette 4 lifter motor Hopper internal toner feeder motor Notation M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 M11 M12 M13 M14 M15...

Page 435: ...PYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 166 6 4 Fans F06 604 01 FM8 FM5 FM9 FM2 FM13 FM7 FM4 FM10 FM3 FM14 FM1 FM6 FM11 FM12 FM16 FM17 FM15 FM20 ...

Page 436: ...er cooling fan Stream reading fan Laser driver cooling fan De curling fan feeding fan Drum fan Inverter cooling fan Pre transfer charging fan Power supply cooling fan 1 Power supply cooling fan 2 Separation fan Laser scanner fan Developing fan System fan Delivery adhesion proofing fan Notation FM1 FM2 FM3 FM4 FM5 FM6 FM7 FM8 FM9 FM10 FM11 FM12 FM13 FM14 FM15 FM16 FM17 T06 604 01 ...

Page 437: ...OOTING 6 168 6 5 Sensor 1 F06 605 01 PS47 PS59 PS35 PS12 PS5 PS13 PS8 PS34 PS7 PS31 PS10 PS32 PS9 PS33 PS6 PS25 PS11 PS26 PS16 PS14 PS52 PS24 PS51 PS21 PS55 PS22 PS54 PS23 PS49 PS20 PS41 PS27 PS37 PS15 PS28 PS38 PS39 PS17 PS40 PS46 PS48 PS42 PS58 PS45 PS56 PS44 PS43 PS19 PS1 PS4 PS3 PS57 PS18 ...

Page 438: ...nt deck left lifter sensor Front deck left paper sensor Front deck left open closed sensor Front deck left limit sensor Manual feed sensor Cassette 3 pickup sensor Cassette 3 lifter sensor Cassette 3 paper sensor Cassette 3 open closed sensor Vertical path 3 paper sensor Cassette 4 pickup sensor Cassette 4 lifter sensor Cassette 4 paper sensor Cassette 4 open closed sensor Vertical path 4 paper se...

Page 439: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 170 6 6 Sensor 2 F06 606 01 TS2 TS3 TS1 SIZE2 SIZE1 SVR1 DP1 SIZE4 SIZE3 SVR2 SV1 SVR3 SV2 ...

Page 440: ...r 3 Original size sensor 4 Cassette 3 paper length sensor Cassette 4 paper length sensor Manual feed tray paper width volume Cassette 3 paper width volume Cassette 4 paper width volume Hopper internal toner sensor Hopper internal toner lower limit sensor Developing assembly internal toner sensor Notation SIZE1 SIZE2 SIZE3 SIZE4 SV1 SV2 SVR1 SVR2 SVR3 TS1 TS2 TS3 T06 606 01 ...

Page 441: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 172 6 7 Switches F06 607 01 MSW5 SW1 MSW1 SW3 MSW8 SW2 MSW2 MSW7 ...

Page 442: ...6 173 Name Main switch Front cover switch Drum heater switch Cartridge detecting switch Waste toner clog detecting switch Manual feed tray cover open closed detecting sensor Front cover open closed detecting switch Cartridge motor drive switch Notation SW1 SW2 SW3 MSW1 MSW2 MSW5 MSW7 MSW8 T06 607 01 ...

Page 443: ...OPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 174 6 8 Counters Heaters Fuses and Others F06 608 01 ELCB1 FL1 LED1 H5 H3 HD1 H4 TH1 TH2 TP1 H1 H2 LED2 ...

Page 444: ...tte heater Scanning lamp heater Fixing main thermistor Fixing sub thermistor Fixing heater thermal switch Leakage breaker Pre exposure lamp Pre transfer exposure lamp Hard disk Notation FL1 H1 H2 H3 H4 H5 TH1 TH2 TP1 ELCB1 LED1 LED2 HD1 Name Scanning lamp fluorescent lamp Heater Thermistor Thermal switch Leakage breaker Pre exposure lamp Pre transfer expgure lamp Hard disk T06 608 01 ...

Page 445: ...IGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 176 6 9 PCBs F06 609 01 6 5 4 3 12 11 15 14 10 13 20 23 25 24 22 19 18 17 30 26 1 7 8 9 29 2 16 27 28 33 31 32 ...

Page 446: ... Differential PCB Main controller PCB DC controller PCB Laser driver PCB 1 Laser driver PCB 2 Scanner motor drier PCB DC power supply PCB HVT DC1 PCB HVT AC PCB All day power supply PCB Relay PCB Bi Centronics PCB Fluorescent inverter PCB Drum heater control PCB BD PCB Potential control PCB AC driver PCB Environment sensor PCB No stacking PCB Cassette 3 paper level detection PCB Cassette 4 paper l...

Page 447: ...ormal con dition and must be kept in mind 2 VRs that may be used in the field VRs that must not be used in the field The VRs and check pins not found in the tables are for factory use only They require special tools and high accuracy and therefore must not be touched in the fieled when making adjustments and checks 6 10 1 Main Controller PCB F06 610 01 J1010 J1028 J1002 J1013 J1011 J1019 J1018 J10...

Page 448: ...eader Controller PCB F06 610 02 6 10 3 DC Controller PCB F06 610 03 J1101 J1104 J1110 J1109 J1112 J1108 J1107 J1102 J1106 J1116 J1113 J1114 J1103 SW1 BAT1 LED4 LED3 LED2 LED1 J511 J510 J509 J508 J507 J506 J526 J525 J521 J505 J504 J503 J502 J519 J512 J513 J514 J515 J516 J517 J518 J520 J527 J501 J522 J523 BAT1 VR1 ...

Page 449: ...TER 6 TROUBLESHOOTING 6 180 6 10 4 HV DC PCB F06 610 04 The slide switch SW101 is for factory use only and is not used for servicing work in the field Keep it as it is set at the factory J732 J737 J733 SW101 down J731 J734 J721 J722 J723 3 1 2 1 3 1 2 1 2 1 1 4 1 5 1 16 Settings ...

Page 450: ... see 7 6 Upgrad ing by Replacing the DIMM ROM 7 1 1 Download Mode The machine provides two types of download modes although any of the two may be used to download all files select with care if you want to format the hard disk select the HD Format as a specific partition must be selected You can use any of the two when using a parallel cable however the use of a network cable will require you to st...

Page 451: ...cal print job and accordingly will increment the job count When you use the Service Support Tool be sure to switch the machine to download mode in advance by following the instructions on the screen 7 1 2 Making Pre Checks Prepare the following PC to which the Service Support Tool version 1 25 or later has been installed System CD Connection cable The type of cable depends on how the machine is to...

Page 452: ...0 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 183 If you are using a straight Ethernet cable and a HUB you are encouraged to connect the machine with the PC on a one on one basis outside the user s network environment F06 701 02 Straight Cable Straight Cable ...

Page 453: ...erface You can not use high speed mode on Windows NT or Windows 2000 Connection with a Network Cable Advantages It is relatively high speed It is less dependent on the PC to be used The use of a cross cable enables direct connection Disadvantages You must change the network settings of the machine or the PC to suit the user s network environment More importantly you must change the ma chine back t...

Page 454: ...8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 185 7 2 Data Control You must install the files to use System RUI HD Format BOOT Language before ex ecuting downloading 1 Start up the Service Support Tool 2 Under Controlling Data select To Next F06 702 01 ...

Page 455: ...00 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 186 3 From the Control Work screen of the firmware select Registering Firmware F06 702 02 4 From the following screen select Register from selected folder F06 702 03 ...

Page 456: ...N INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 187 5 Select the drive to which you have inserted the System CD 6 Select the folder of the suitable version and click Register F06 702 04 ...

Page 457: ...s main power switch and disconnect the power plug and the network cable 2 Using a parallel cable connect the PC to the parallel connector on the left side of the controller At this time the PC must remain OFF Connect the 25 pin connector of the cable to the PC and the 36 pin connector to the ma chine 3 Turn on the power switch of the PC and start up the Service Support Tool 4 Connect the machine s...

Page 458: ...modules in user mode common settings display language At time of shipment five modules languages are installed The modules will be lost once you format the had disk requiring you to install them once again to suit the needs of the user To check the version of the modules make the following selections COPIER DISPLAY VERSION LANG XX Check to make sure that the version of each language module matches...

Page 459: ...tion in the upper right of the screen is High Speed go to step 6 if Low Speed go to step 5 F06 703 03 5 Click Switch operation mode to bring up the Centronics Communication Mode Change screen Select High Speed and press OK to move to step 6 Memo High speed mode is not supported on Windows NT and Windows 2000 F06 703 04 ...

Page 460: ...001CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 191 6 Click OK to start connection F06 703 05 7 When connection is done the following screen will appear Click OK F06 703 06 ...

Page 461: ...1 CHAPTER 6 TROUBLESHOOTING 6 192 8 Select System Software Download of the Service Support Tool screen F06 703 07 9 Select the files suited to the language and the country in question from the list of soft ware on the Service Support Tool screen and click Start F06 703 08 ...

Page 462: ...ade existing system software by means of down loading unless the old and new systems have the same functions an attempt to do so will result in an error If the user obtains the official Upgrading kit and follow the appropriate procedure however such upgrading is possible for details see the Installation Procedure that comes with the Upgrading kit 11 Check the progress bar which indicates the progr...

Page 463: ... machine s BOOT ROM you will directly replace the contents of the ROM DIMM Take full care 1 Check to see that the machine s Data lamp is OFF 2 Turn off the machine s main power switch and disconnect the power plug and the net work cable Memo Limits on Preparing the BOOT ROM You will not be able to prepare the BOOT ROM unless the following condi tions are met The model of the machine is the same e ...

Page 464: ...by way of the network and check to make sure that all are ready for communication by sending a PING command from the PC or the machine 1 Connect the machine s network connector RJ 45 and the network connector of the PC using a network cable cross cable 2 Turn on the PC and start up the Service Support Tool 3 Connect the machine s power plug to the power outlet and start service mode make the follo...

Page 465: ... TROUBLESHOOTING 6 196 2 Select the correct BOOT and select an interface bi Centronics or Network The ex ample selects iR8500 for BOOT and Network is selected for Interface F06 704 02 3 To enter the IP address or the host name of the machine to connect click Set host name F06 704 03 ...

Page 466: ... TROUBLESHOOTING 6 197 4 Enter the IP address or the host name here 172 16 1 1 and click Save Then click OK F06 704 04 5 Check to see that the notation in the upper right indicates the IP address or the host name of the machine to connect then click OK to start connection F06 704 05 ...

Page 467: ...2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 198 6 When connection is done the following screen appears Click OK F06 704 06 7 Select BOOT ROM Download on the Service Support Tool screen F06 704 07 ...

Page 468: ...lace Otherwise they may fail to start up 10 When downloading ends turn off the PC by making the following selections OK To Unit Selection Screen OK To Main Menu Ending the Service Support Tool End 7 4 4 After Downloading 1 Turn off the machine s main power switch and disconnect the power plug 2 Turn off the PC 3 Disconnect the network cable cross cable and the PC from the machine 4 If a network ca...

Page 469: ... Using a parallel cable connect the PC to the parallel connector on the left side of the controller At this time the PC must remain OFF Connect the 25 pin connector of the bi Centronics cable to the PC and the 36 pin con nector to the machine 2 Turn on the PC and start up the Service Support Tool 3 Connect the machine s power plug to the power outlet while holding down 2 and 8 of the keypad at the...

Page 470: ...2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 201 2 Select HD Format and select Connect F06 705 02 3 At this time if the notation in the upper right of the screen is High Speed go to step 5 if Low Speed go to step 4 F06 705 03 ...

Page 471: ...iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 202 4 Click change operation mode so that the Centronics Communication Mode change screen will appear Select high speed and click OK then go to step 6 F06 705 04 5 Click OK to start connection F06 705 05 ...

Page 472: ... INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 203 6 When connection is done the following screen will appear Select OK F06 705 06 7 When the Check screen appears select Format F06 705 07 ...

Page 473: ...000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 204 8 When the Start Check screen appears select Start to format all partitions F06 705 08 9 When the Start Check screen appears once again select Start F06 705 09 ...

Page 474: ...8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 205 10 When formatting is done the message Format Finished appears Click OK F06 705 10 11 To continue downloading system select To Unit Selection Screen and click OK Then start downloading system F06 705 11 ...

Page 475: ...disk may still be formatted or the system software may be downloaded in download mode Connecting to the Network using network cable 2 If you want to install the Language module after installing the system software you must be sure that its version is compatible with the version of the system software If you install a Language module not compatible with the system software in question and in additi...

Page 476: ...n Copier Reader controller PCB by replacement of flash ROM DIMM 1 J1106 DC controller PCB by replacement of flash ROM DIMM 2 J521 Main controller PCB by replacement of BOOT ROM 7 J1010 see MEMO DADF J1 ADF controller PCB by replacement of ROM 4 IC1 DIP type Finisher K1 K2 by replacement of ROM 5 IC110 DIP type Saddle Finisher K3 K4 Finisher controller PCB by replacement of ROM 5 IC110 DIP type Sad...

Page 477: ...PU the ROM of the finisher controller PCB contains programs for the slave CPU requiring you to up grade the slave CPU software whenever you have replaced the ROM For details see the Service Manual of the finisher The BOOT ROM 7 on the main controller PCB may be upgraded using a PC For details see the descriptions under 7 Upgrading F06 706 01 7 2 1 5 4 6 ...

Page 478: ... contains the following items of data Service mode settings User mode settings Various MACHINE DATA Once you have backed up the data you may write it to the main controller PCB after re placing the PCB or you can simplify the work involved in entering service mode or user mode settings It is recommended to back up the data whenever possible using the Service Support Tool when you have updated the ...

Page 479: ... assume the use of a parallel cable 1 Using a parallel cable connect the PC to the parallel connector on the right side of the controller At this time the PC must remain OFF Connect the 25 point connector of the parallel cable to the PC and the 36 pin connector to the machine 2 Turn on the power switch of the PC and start up the Service Support Tool 3 Connect the machine s power plug to the power ...

Page 480: ...0 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 211 8 2 3 Backing Up Data 1 Under Downloading Uploading select To Next F06 802 01 2 Select SYSTEM and select Connect The discussions that follow assume the use of a bi Centronics cable as the interface F06 802 02 ...

Page 481: ...SHOOTING 6 212 3 At this time if the notation in the upper right of the screen is High Speed go to step 5 if Low Speed go to step 4 F06 802 03 4 Click Switch operation mode to bring up the Centronics Communication Mode Change screen Select High Speed and click OK to move to step 5 F06 802 04 ...

Page 482: ... 2001CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 213 5 Click OK to start connection F06 802 05 6 When connection is done the following screen appears Click OK F06 802 06 ...

Page 483: ...CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 214 7 Select Upload the Backup Data on the Service Support Tool screen F06 802 07 8 Select ALL and select Start Storing F06 802 08 ...

Page 484: ...e save operation 10 Select the drive to save the data to and enter the file name the select Save F06 802 09 11 When the selected file has been stored on the selected drive the following screen will appear make the following selections to end the Service Support Tool OK To Unit Se lection Screen OK To Main Menu Ending the Service Support Tool End F06 802 10 ...

Page 485: ...NON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 216 8 2 4 Downloading Backup Data 1 Under Downloading Uploading select To Next F06 802 11 2 Select SYSTEM and select Connect F06 802 12 ...

Page 486: ...2001CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 217 3 Select OK and start connection F06 802 13 4 When connection is done the following screen appears Click OK F06 802 14 ...

Page 487: ...HT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 218 5 Select Download the backup Data F06 802 15 6 Select the file to download and select Start Writing F06 802 16 ...

Page 488: ...OTING 6 219 7 See the progress bar indicating the progress of the downloading operation At the end the following screen will appear Select OK F06 802 17 8 Make the following selections to end the Service Support Tool To Unit Selection Screen OK To Main Menu Ending the Service Support Tool End ...

Page 489: ...001 CHAPTER 6 TROUBLESHOOTING 6 220 8 2 5 Managing Backup Data You can delete backup data that has become obsolete as follows You need not connect a PC to the machine to do so 1 Under Controlling Data select To Next F06 802 18 2 Select Controlling Backup Data F06 802 19 ...

Page 490: ... 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 221 3 Select the file to delete from the list of Backup Data Stored on Computer then select Remove F06 802 20 4 When the Delete Check screen appears check the description for the selected file and select Remove F06 802 21 ...

Page 491: ...8500 REV 0 MAR 2001 CHAPTER 6 TROUBLESHOOTING 6 222 5 When the Delete Finish screen appears click OK Make the following selections to end the Service Support Tool Return to Previous Screen Return to Main Menu Ending the Service Support Tool End F06 802 22 ...

Page 492: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 APPENDIX ...

Page 493: ...ital multimeter Laser power checker Door switch Mirror positioning tool front rear NA 3 test sheet Tool No FY9 2002 FY9 4008 TKN 0093 FY9 3040 FY9 9196 Rank A A A B A Remarks For adjusting the laser intensity together with the laser power checker for electrical checks For adjusting the light intensity together with the digital multimeter For adjusting the distance between No 1 and No 2 mirrors For...

Page 494: ... Tester extension pin Tester extension Pin L tipped D 10 Test Sheet Tool No FY9 3041 FY9 3014 FY9 3038 FY9 3039 FY9 9129 000 Rank B B A A B Remarks For checking the zero level of the surface poten tial sensor For checking the environ ment sensor For making electrical checks attachment to the meter For making electrical checks attachment to the meter For adjusting images Shape ...

Page 495: ...EV 0 MAR 2001 APPENDIX A 9 Rank A Each service person is expected to carry one B Each five or so service persons is expected to carry one C Each workshop is expected to carry one No 11 Tool name Loupe Tool No CK 0056 000 Rank B Remarks For checking images Shape ...

Page 496: ...s Cleaning e g photosensitive drum Lubricating e g scanner rail Drum heater contact Composition Hydrocarbon of the fluorine family alcohol surface activating agent water Hydrocarbon of fluo rine family hydrocar bon of chlorine family alcohol Lithium soap of mineral family molybdenum disulfide Mineral oil paraffin family Silicone oil Selenium oxide Silicone oil Fluorine poly ethyl Poly tetra fluori...

Page 497: ...Service Mode COPYRIGHT 2001 CANON INC 2000 CANON iR8500 REV 0 MAR 2001 ...

Page 498: ...1 Level 2 Items screen and Level 3 Items screen F00 101 01 Initial screen Level 1 Level 2 Items screen Level 3 Items screen Level 3 Items screen Level 3 Items screen User screen From Level 1 Level 2 Items screen Reset key Previous Next page Previous Next page Previous Next page 2 8 Reset key Select a Level 1 item from the top of the screen Select a Level 2 item from the list of items Level 3 Items...

Page 499: ...the control panel 2 Press 2 and 8 at the same time 3 Press the User Mode key in the control panel F00 102 01 COPIER FEEDER SORTER BOARD DISPLAY I O ADJUST FUNCTION OPTION TEST COUNTER control display mode I O mode adjustment mode operation inspection mode settings mode test print mode counter mode COPIER FEEDER SORTER BOARD Accessory board service mode ADF service mode if installed if installed if...

Page 500: ...ch machine is adjusted and the adjustment values are recorded on the Service Label attached to the cover of the Service Book case behind the front cover If you have replaced the reader controller PCB DC controller PCB or if you have cleared the RAM of these the ADJUST and OPTION settings will be replaced by default settings If you have made adjustments in the field and changed service mode setting...

Page 501: ...sic Operation 1 5 1 Initial Screen F00 105 01 1 5 2 Level 1 Level 2 Items Screen F00 105 02 COPIER FEEDER SORTER BOARD Initial items Touch to select SERVICE MODE VERSION USER ANALOG CST STS ACC STS JAM ERR HV STS ALARM 2 DPOT SENSOR MISC Level 1 items Touch to select Touch to select Level 2 items ...

Page 502: ...NG in operation e g initial rotation DOOR door open COPYING copying under way ERROR error present NO TONER toner absent WTNR FUL waste toner full Level 2 item Level 3 items To previous page To next page Page xxxxx yyyyy aaaaa bbbbb OK ADJ X ADJ XY 1 1 READY ADJ X key press to stop each operation Press to save input Press to switch between and Press to highlight Input range Value before change Stop...

Page 503: ...NC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 SERVICE MODE S 6 2 COPIER 2 1 DISPLAY The following appears in response COPIER DISPLAY F00 201 01 VERSION USER ANALOG CST STS ACC STS JAM ERR HV STS DPOT SENSOR ALARM 2 MISC ...

Page 504: ... Indicates the ROM version of the ADF controller SORTER Indicates the ROM version of the finisher controller PCB NIB Indicates the version of the network interface board PS PCL Indicates the version of the software PS PCL LIPS Indicates the version of the printer board LIPS SDL STCH Indicates the ROM version of the saddle stitcher controller PCB MN CONT Indicates the version of the software of the...

Page 505: ...s the version of the Danish language module LANG EL Indicates the version of the Greek language module LANG ES Indicates the version of the Spanish language module LANG ET Indicates the version of the Estonian language module LANG FI Indicates the version of the Finnish language module LANG HU Indicates the version of the Hungarian language module LANG KO Indicates the version of the Korean langua...

Page 506: ...itional LANG ZH Indicates the version of the Chinese language module simplified USER Indicates items related to the User screen and the user LANGUAGE Indicates the language paper size configuration used Display LANGUAGE xxyy zz aa xx higher 2 digits country code yy lower 2 digits language code zz destination code 00 Canon 1 OEM aa paper size configuration code 00 AB 01 Inch 02 A 03 all sizes COUNT...

Page 507: ...4 4 hole SWDN DECK Indicates the connection of a paper deck accessory 0 no 1 yes CARD Indicates the presence absence of a card reader if no card reader is in stalled 1 is indicated 0 no 1 yes DATA CON Indicates the connection of a self diagnostic device 0 no 1 copy data controller 2 NE controller RAM Indicates the memory size of the main controller 192 MB NIB Indicates the connection of a network ...

Page 508: ...ndicates the machine absolute humidity absolute moisture content g OPTICS Indicates the temperature of the lamp C FIX C Indicates the temperature of the middle of the fixing upper roller C FIX E Indicates the temperature of the ends of the fixing upper roller C CST STS Indicates the paper size of the cassette and the manual feeder WIDTH C3 Indicates the width of paper in cassette 3 in terms of pap...

Page 509: ...ff Indicates the applicable jam code FF type of jam in copier T00 201 01 ff jam sensor in copier T00 201 02 FF type of jam in finisher T00 201 03 ff finisher jam sensor T00 201 04 FFff ADF jam code T00 201 05 G Indicates the source of paper T00 201 06 HHHHHH Indicates the soft counter of the source of paper IIIII Indicates the size of paper JAM 1 7 READY AA BBBB CCCC DDDD E FFff G HHHHHH IIIII AA ...

Page 510: ...ower on residual jam 14xx front cover open jam 15xx staple jam 16xx punch jam 17xx other jam T00 201 03 COPIER DISPLAY ff Jam Sensors in the Finisher Code Sensor xx00 no applicable sensor xx11 fold path residual sensor 1 delay jam xx12 fold path residual sensor 2 delay jam xx13 fold path residual sensor 3 delay jam xx14 fold path residual sensor 4 delay jam xx15 saddle inlet sensor delay jam xx16 ...

Page 511: ...0032 pre stationary 2 0033 pre reversal stationary 1 0034 pre reversal stationary 2 0035 pre reversal stationary 3 0036 pre reversal stationary 4 003A 1st sheet pickup stationary 1 003B 1st sheet pickup stationary 2 003C 1st sheet pre reversal stationary 1 003D 1st sheet pre reversal stationary 2 003E 1st sheet pre reversal stationary 3 003F 1st sheet pre reversal stationary 4 0041 reversal statio...

Page 512: ...l feed reversal stationary 00A3 manual feed delivery delay 00A4 manual feed delivery stationary 00A5 manual feed residual original 00A6 manual feed original size error 00E1 ADF open 00E2 cover open 00E3 cycle NG 00E4 initial residual 00E5 timing error 00E6 original size error 00E7 user ADF open 00E8 user cover open 00E9 power down 00EA image leading edge error 00EB 1st sheet image leading edge err...

Page 513: ...of recovery 24 hour notation with recovery off FFFF EEEE Indicates the applicable error code See Error Codes FFff Indicates the applicable detail code if none 0000 G Indicates the location of occurrence 0 copier main controller 1 feeder 2 finisher 3 C F F 4 reader 5 printer 6 PDL HH Not used ERR 1 7 READY AA BBBB CCCC DDDD EEEE FFff G HH AA BBBB CCCC DDDD EEEE FFff G HH AA BBBB CCCC DDDD EEEE FFff...

Page 514: ...Indicates the level of current of primary charging µA PRI GRID Indicates the grid voltage of primary charging V PRE TR Indicates the level of current of pre transfer charging µA TR Indicates the level of current of transfer charging µA SP Indicates the level of current of separation charging µA BIAS Indicates the level of developing bias DC V COPIER DISPLAY ...

Page 515: ...Indicates the measurement taken of the light area potential VL1 for the copier V optimum reference VL1T 6 V VDT Indicates the target value of the dark area potential VD for the copier V VDM Indicates the measurement taken of the dark area potential VD for the copier V optimum reference VDT 6 V VDM P Indicates the measurement taken of the dark era potential VD for printer PDL images V optimum refer...

Page 516: ... detected by the original size sensor 2 DOC SZ3 Indicates the output detected by the original size sensor 3 DOC SZ4 Indicates the output detected by the original size sensor 4 MISC Indicates other states FL LIFE Indicates the duty ratio when the scanning lamp is ON STM P L Indicates the lamp stop position for stream reading large size 0 to 6 STM P S Indicates the lamp stop position for stream read...

Page 517: ...4 hour notation with recovery off FFFF EE Indicates the location of occurrence T00 201 07 FFFF Indicates the applied alarm code T00 201 07 GGGG Indicates the applicable detail code HHHHHHHH Indicates the reading of the total counter at time of occurrence ALARM 2 1 7 READY AA BBBB CCCC DDDD EE FFFF GGGG HHHHHHHH AA BBBB CCCC DDDD EE FFFF GGGG HHHHHHHH AA BBBB CCCC DDDD EE FFFF GGGG HHHHHHHH AA BBBB...

Page 518: ...large 7 0017 small position stream read disable 0018 large position stream read disable 0019 scanner lamp intensity low 0001 right deck lifter alarm 0002 left deck lifter alarm 0003 cassette 3 lifter alarm 0004 cassette 4 lifer alarm 0007 manual feed tray lifter alarm 0008 side paper deck lifter alarm 0011 right deck re try alarm 0012 left deck re try alarm 0013 cassette 3 re try alarm 0014 casset...

Page 519: ...1 SERVICE MODE S 22 FFFF Alarm code 0001 staple absent 0001 stitch staple absent 0001 punch waste paper full T00 201 07 2 2 EE Location of occurrence 61 stapler mechanism of sorter finisher 62 saddle stitcher mechanism 65 puncher mechanism of sorter finisher COPIER DISPLAY ...

Page 520: ...s in response to COPIER I O F00 202 01 Guide to the Screen P001 xxxxxxxxxxxxxxxx bit 0 bit 15 Address DC CON R CON FEEDER SORTER MN CON Input output part of DC controller PCB Input output port of reader controller PCB Input output port of main controller Input output port of ADF controller PCB Input output port of finisher controller PCB ...

Page 521: ...manual feed sensor PS35 1 paper present 11 registration paper sensor PS5 1 paper present 12 inside delivery sensor PS9 1 paper present 13 outside delivery sensor PS10 1 paper present 14 fixing feed unit outlet sensor PS11 1 paper present 15 fixing claw jam sensor PS6 1 paper present P002 0 reversal sensor PS16 1 paper present 1 duplex reversal sensor PS12 1 paper present 2 U turn sensor PS13 1 pap...

Page 522: ...eck paper sensor PS32 1 paper present 10 cassette 3 paper sensor PS39 1 paper present 11 cassette 4 paper sensor PS44 1 paper present 12 manual feed tray paper sensor PS17 1 paper present 13 fisher connector 0 connected 14 right deck limit sensor PS24 1 limit 15 left deck limit sensor PS34 1 limit P005 0 cassette 3 paper length sensor SV1 1 cassette 3 paper length sensor SV1 2 cassette 4 paper len...

Page 523: ...14 1 overcurrent 15 overcurrent notice 38 V PCB14 1 overcurrent P007 0 primary charging assembly fan stop FM1 1 stop detection signal 1 fixing heat discharge fan stop detection FM2 1 stop signal 2 laser scanner fan stop detection signal FM3 1 stop 3 laser driver cooling fan stop detection FM5 1 stop signal 4 de curling fan stop detection signal FM6 1 stop 5 feeding fan stop detection signal FM7 1 ...

Page 524: ...L1 1 ON 1 developing cylinder clutch CL4 1 ON 2 developing cylinder deceleration clutch CL20 1 ON 3 right deck pickup solenoid SL7 1 ON 4 left deck pickup solenoid SL8 1 ON 5 cassette 3 pickup solenoid SL9 1 ON 6 cassette 4 pickup solenoid SL10 1 ON 7 manual feed pickup latch solenoid return SL6 1 ON 8 manual feed pickup latch solenoid pull SL6 1 ON 9 delivery flapper solenoid SL3 1 ON 10 reversin...

Page 525: ...mary charging assembly fan half speed FM1 1 ON 2 laser scanner fan full speed FM3 1 ON 3 laser scanner fan half speed FM3 1 ON 4 pre transfer charging assembly fan full FM10 1 ON speed 5 pre transfer charging assembly fan half FM10 1 ON speed 6 laser scanner motor cooling fan full speed FM14 1 ON 7 not used P014 0 feeding fan full peed FM7 1 ON 1 feeding fan half speed FM7 1 ON 2 separation fan fu...

Page 526: ...ifter PS38 1 ON 3 cassette 4 lifter PS43 1 ON 4 DDI 5 DDI 6 DDI 7 DDI P018 0 waste toner full detection reset 0 reset 1 shut off SW1 1 shut off 2 not used 3 DDI 4 DDI 5 DDI 6 DDI 7 DDI P019 0 deck open indication LED100 1 ON 1 deck pickup solenoid 1 ON 2 deck feed clutch CL101 1 ON 3 deck pickup clutch CL102 1 ON 4 deck main motor speed switch signal DBIT0 at all time 0 5 deck main motor speed swi...

Page 527: ... ON 8 deck paper level sensor PS108 1 paper present 9 deck lifter lower limit detect switch SW102 1 lower limit 10 deck open sensor PS109 1 ON 11 deck open detect switch SW101 1 open 12 ID detection 1 1 connected 13 ID detecting 2 1 connected 14 not used 15 not used P021 0 not used 1 not sued 2 not used 3 not used 4 not used 5 not used 6 not used 7 not used 8 not used 9 not used 10 not used 11 not...

Page 528: ... not used R CON Input Output Ports of the Reader Controller PCB R CON 1 3 Address bit Description Notation Remarks P001 0 original size detection 1 0 detected 1 original size detection 2 0 detected 2 original size detention 3 0 detected 3 original size detection 4 0 detected 4 copyboard cover open closed detection 1 closed 5 not used 6 not used 7 not used P002 0 scanning lamp tube absent 1 absent ...

Page 529: ...ll speed 1 ON 24V 3 scanner motor cooling fan half speed 1 ON 12V 4 stream reading fan ON 1 ON 24V 5 not used 6 image leading edge select 1 copier 0 ADF 7 size detection ON OFF 1 ON P005 0 scanner motor D0 1 scanner motor D1 2 scanner motor D2 3 scanner motor D3 4 scanner motor CDWN0 5 scanner motor CDWN1 6 scanner motor CDWN2 7 not used P006 0 scanner motor CW CCW 1 CW 0 CCW 1 scanner motor OFF 0...

Page 530: ...N 1 belt motor cooling fan 0 ON 2 reversal solenoid SL1 1 ON 3 delivery solenoid position 1 SL4 1 ON 4 delivery solenoid position 2 SL4 1 ON 5 stopper plate solenoid position 1 SL2 1 ON 6 stopper plate solenoid position 2 SL2 1 ON 7 solenoid timer 0 ON IO P02 0 not used 1 not used 2 not used 3 not used 4 pickup roller home position sensor PI7 1 home position 5 pickup roller height sensor 2 PI9 1 o...

Page 531: ...9 1 original present 5 not used 6 not used 7 not used IO P06 0 serial data output 1 transmit 1 D A load path 1 transmit 2 EEPROM serial input 1 receive 3 EEPROM chip select 0 EEPROM select 4 serial reference clock during output alternately 0 and 1 5 separation motor clock detection PI2 during output alternately 0 and 1 6 not used 7 not used IO P07 0 belt motor mode 1 M2 at all times 0 1 belt motor...

Page 532: ...not used 6 reversal sensor S1 1 original present 7 registration roller rotation detection PI5 during output alternately 0 and 1 IO P10 0 DIP switch DIPSW1 signal 0 ON 1 DIP switch DIPSW2 signal 0 ON 2 DIP switch DIPSW3 signal 0 ON 3 DIP switch DIPSW4 signal 0 ON 4 DIP switch DIPSW5 signal 0 ON 5 DIP switch DIPSW6 signal 0 ON 6 upper cover sensor front 1 closed 7 upper cover sensor rear 1 closed IO...

Page 533: ... pre registration sensor adjustment DA P08 post registration sensor adjustment DA P09 reversal sensor adjustment DA P10 manual feed registration sensor adjustment DA P11 pre cycle end sensor adjustment DA P12 separation motor SORTER Indicates the input output ports of the finisher controller PCB SORTER 1 12 Address bit Description Notation Remarks P001 0 buffer motor A M2 during output alternately...

Page 534: ...7 inlet motor clock M1 during output alternately 0 and 1 P003 0 EEPROM serial output 1 slave write serial output 2 EEPROM serial output 3 slave write serial output 4 EEPROM serial clock 5 EEPROM load signal 6 not used 7 not used P004 0 tray A detection PI20 1 paper present 1 puncher identification 1 2 puncher identification 2 3 delivery sensor PI32 1 paper present 4 lower path paper sensor PI4 1 p...

Page 535: ...G PI67 during output alternately 0 and 1 7 buffer motor FG M2 during output alternately 0 and 1 P007 0 not used 1 not used 2 not used 3 not used 4 not used 5 delivery motor FG M3 during output alternately 0 and 1 6 inlet motor FG M1 during output alternately 0 and 1 7 folder motor FG M71 during output alternately 0 and 1 P008 0 slave write signal 1 normal 0 write 1 slave CPU reset 0 reset 2 master...

Page 536: ... sensor connection 1 connected detection 7 fan rotation error detection 1 error 0 normal P012 0 swing motor high speed setting M8 1 ON 1 swing motor medium speed setting M8 1 ON 2 swing motor low speed setting M8 1 ON 3 swing motor ON M8 1 OFF 0 ON 4 power supply fan ON signal FM1 1 ON 0 OFF 5 buffer motor ON signal M2 1 OFF 0 ON 6 buffer motor current swing M2 1 constant 0 speed up 7 trailing edg...

Page 537: ... ON 6 inserter motor ON M61 1 OFF 0 ON 7 unit identification signal 1 identified P017 0 inserter separation detection 1 PI62 1 paper prevent 0 paper absent 1 inserter separation detection 2 PI63 1 paper prevent 0 paper absent 2 inserter feed detection 3 PI61 1 paper prevent 0 paper absent 3 tray B paper detection PI17 1 paper prevent 0 paper absent 4 tray A paper detection PI20 1 paper prevent 0 p...

Page 538: ... 1 segment b middle 1 ON 2 segment c left upper 1 ON 3 segment d left lower 1 ON 4 segment e lower 1 ON 5 segment f right lower 1 ON 6 segment g right upper 1 ON 7 segment dot upper 1 ON P022 0 not used 1 insert motor speed switch 1 M61 2 insert motor speed switch 2 M61 1 ON 3 inserter separation in sensor PI61 62 1 paper present 4 inserter paper sensor S9 1 paper present 5 inserter pickup solenoi...

Page 539: ...tray A lifter motor B M13 P026 0 tray B position detection 1 1 light blocked 1 tray B position detection 2 1 light blocked 2 tray B position detection 3 1 light blocked 3 stapler home position detection 0 home position 4 not used 5 not used 6 not used 7 not used P027 0 slave busy R 0 busy 1 stapler shift home position detection PI16 1 home position 2 punch home position detection PI24 3 not used 4...

Page 540: ... motor B M10 4 stapler shift motor A M10 5 stapler shift motor B M10 6 stapler motor CCW M11 0 CCW 7 stapler motor CW M11 0 CW P032 0 punch motor PWM M18 1 DPRAM chip select 2 punch slide motor clock PI34 1 ON 0 OFF 3 punch motor M18 4 punch slide motor direction switch 1 rear 0 front 5 punch motor direction switch CW M18 1 OFF 0 ON 6 punch motor direction switch CCW M18 1 OFF 0 ON 7 punch slide m...

Page 541: ...ivery detection PI52 0 paper present 3 not used 4 not used 5 not used 6 not used 7 not used P036 0 not used 1 not used 2 paper pushing plate home position PI55 1 home position detection 3 aligning plate home position detection PI48 0 home position 4 saddle tray home position detection PI41 0 home position 5 not used 6 not used 7 not used P037 0 paper position panel home position PI49 0 home positi...

Page 542: ...040 0 No 2 paper detection PI61 0 paper present 1 No 3 paper detection PI62 0 paper present 2 stitching home position detection rear MS32 1 home positon 3 stitching home position detection front MS34 1 home position 4 paper position plate paper detection PI50 0 paper present 5 No 1 paper detection PI60 0 paper present 6 vertical path paper detection PI57 0 paper present 7 not used P041 0 aligining...

Page 543: ...d 6 inlet cover open detection PI51 0 open 7 not used P044 0 DIPSW1 bit 8 0 ON 1 DISPW1 bit 7 0 ON 2 DIPSW1 bit 6 0 ON 3 DIPSW1 bit 5 0 ON 4 DIPSW1 bit 4 0 ON 5 DIPSW1 bit 3 0 ON 6 DIPSW1 bit 2 0 ON 7 DIPSW1 bit 1 0 ON P045 AN1 not used P046 AN6 not used P047 AN7 not used P048 DA1 not used P049 DA2 not used P050 DA3 not used P051 DA4 not used P052 DA5 not used P053 DA6 not used P054 DA7 not used P...

Page 544: ...1 not used 1 fixed 2 not used 1 fixed 3 not used 1 fixed P002 0 DDI S general input not used 1 DDI S general input not used 2 DDI S general input not used 3 SPRTST signal printer start up signal SP1 0 reader image start P003 0 DDI P general input not used 1 DDI P general input not used 2 DDI P general input not used 3 PS LNST signal scanner start up signal PP1 0 reader start P004 0 DDI S general o...

Page 545: ...DL soft reset 0 LIPS board forced reset 5 serial EEPROM CS for factory 6 serial EEPROM SCK for factory 7 serial EEPROM DIN for factory 8 pickup count 1 count 9 delivery count 1 count 10 coin vendor pickup count 1 count not used 11 coin vendor delivery count 1 count not used 12 LCD backlight control 1 ON 13 not used 14 parallel EEPROM write protect 0 write 1 protect 15 not used P008 0 not used 1 no...

Page 546: ...PIER ADJUST 2 3 ADJUST The following screen appears in response to COPIER ADJUST F00 203 01 A change to each item under COPIER ADJUST becomes valid when the main power switch is turned off and then on HV PRI V CONT ADJ XY CCD AE LASER EXP LED HV SP DENS DEVELOP HV TR FEED ADJ CST ADJ LAMP BLANK ...

Page 547: ... increases the intensity A lower setting decreases the intensity If a faulty image is generated after execution of COPIER FUNCTION CCD CCD ADJ enter the setting indicated on the service label AE Use it to adjust AE AE TBL Use it to adjust the density of characters for image density adjustment Range of adjustment 1 to 9 default 5 F00 203 02 White White Original density A lower setting generates lig...

Page 548: ... to adjust the image read start position main scanning direction Range of adjustment 0 to 2970 1 being equal to 0 1 mm Be sure to perform it before adjusting the margin Do not use it to create a margin F00 203 03 ADJ Y Use it to adjust the image read start position sub scanning direction Range of adjustment 0 to 1000 1 being equal to 0 1 mm F00 203 04 Vertical size plate Standard white plate Highe...

Page 549: ...d the standard white plate while avoiding a soiled area if any of the copyboard glass F00 203 05 ADJ Y DF Use it to adjust the read start position in main scanning direction for the ADF ADF horizontal registration adjustment Range of adjustment 0 to 1000 1 being equal to 0 1 mm F00 203 06 Vertical size plate Standard white plate Higher setting Lower setting Copyboard glass HP sensor Feed direction...

Page 550: ... for the first half even numbered pixels of the CCD 0 to 1023 GAIN O F Use it to enter the gain for the first half odd numbered pixels of the CCD 0 to 1023 OFST E R Use it to enter the offset level for the last half even numbered pixels of the CCD 0 to 1023 OFST O R Use it to enter the offset level for the last half odd numbered pixels of the CCD 0 to 1023 OFST E F Use it to enter the offset level...

Page 551: ...n numbered pixels of the CCD 0 to 1023 LUT E R3 Use it to enter the data for link correction of the last half even numbered pixels of the CCD 0 to 1023 LUT E R4 Use it to enter the data for link correction of the last half even numbered pixels of the CCD 0 to 1023 LUT E R5 Use it to enter the data for link correction of the last half even numbered pixels of the CCD 0 to 1023 LUT O F1 Use it to ent...

Page 552: ...n numbered pixels of the CCD 0 to 1023 LUT E F2 Use it to enter the data for link correction of the first half even numbered pixels of the CCD 0 to 1023 LUT E F3 Use it to enter the data for link correction of the first half even numbered pixels of the CCD 0 to 1023 LUT E F4 Use it to enter the data for link correction of the first half even numbered pixels of the CCD 0 to 1023 LUT E F5 Use it to ...

Page 553: ...er the delay value for the laser unit Range of adjustment 0 to 4807 Use it to adjust the delay line of pixels so that laser A and laser B may be coordinated in main scanning direction If you have replaced the laser unit enter the value indicated on the label attached to the laser unit LA PWR A Use it to enter the power adjustment value for laser A Range of adjustment 0 to 255 If you have replaced ...

Page 554: ...tings indicated on the label attached to the new high voltage unit If you have replaced the DC controller PCB or cleared its RAM on the other hand be sure to enter the settings indicated on the service label Chapter 6 Troubleshooting 2 7 9 Points to Note When Replacing the High Voltage DC PCB D HV DE Use it to enter the offset value for the developing high voltage output of the DC controller PCB R...

Page 555: ... adjustment 1 to 9 default 5 F00 203 07 BLANK Use it to adjust the non image width If you have cleared the RAM on the DC controller PCB or replaced the DC controller PCB enter the setting indicated on the service label BLANK T Use it to enter the image leading edge non image width value Range of adjustment 0 to 2392 BLANK B Use it to enter the image trailing edge non image width value Range of adj...

Page 556: ...label EPOTOFST Use it to enter the offset value for the potential sensor Range of adjustment 0 to 30 VL OFST Use it to enter the offset value for the potential control light area target po tential Range of adjustment 50 to 50 1 being equal to 1 V VD OFST Use it to enter the offset value for the potential control dark area target po tential Range of adjustment 50 to 50 1 being equal to 1 V DE OFST ...

Page 557: ...rent for plain paper printing on one side or on the 1st side of a double sided print Range of adjustment 650 to 0 If you have cleared the RAM on the DC controller PCB or replaced the DC controller PCB enter the setting indicated on the service la bel TR N2 Use it to enter the output adjustment value of the transfer charging current for plain paper printing on the 2nd side of a double sided print R...

Page 558: ...gh voltage unit Range of adjustment 100 to 100 If you have replaced the high voltage unit be sure to enter the set tings indicated on the label attached to the new high voltage unit If you have replaced the DC controller PCB or cleared its RAM on the other hand be sure to enter the settings indicated on the service label Chapter 6 Troubleshooting 2 7 9 Points to Note When Replacing the High Voltag...

Page 559: ...acing the DC con troller PCB HV SP Use it to adjust the output of the separation charging assembly SP N1 Use it to enter the output adjustment value of the separation charging cur rent for plain paper printing on one side or on the 1st side of a double sided print Range of adjustment 0 to 800 If you have cleared the RAM on the DC controller PCB or replaced the DC controller PCB enter the setting i...

Page 560: ... 100 to 100 If you have replaced the DC controller PCB be sure to enter the set ting indicated on the label attached to the new DC controller PCB If you have cleared the RAM on the DC controller PCB on the other hand be sure to enter the settings indicated on the service label Chapter 6 Troubleshooting 2 7 8 When Replacing the DC con troller PCB FEED ADJ Use it to adjust the feeding system If you ...

Page 561: ... for cassette 3 A4R Range of adjustment 0 to 255 If you have replaced the paper width detecting VR execute the fol lowing service mode FUNCTION CST C4 STMTR Use it to enter the paper width basic setting for cassette 4 STMTR Range of adjustment 0 to 255 If you have replaced the paper width detecting VR execute the fol lowing service mode FUNCTION CST C4 A4R Use it to enter the paper width basic val...

Page 562: ...FUNCTION CST C3 LVOL Use it to enter the level of stacking for cassette 3 50 sheets Range of adjustment 0 to 255 C3 HVOL Use it to enter the level of stacking for cassette 3 250 sheets Range of adjustment 0 to 255 C4 LVOL Use it to enter the level of stacking for cassette 4 50 sheets Range of adjustment 0 to 255 C4 HVOL Use it to enter the level of stacking for cassette 4 50 sheets Range of adjust...

Page 563: ...000 2000 CANON iR8500 REV 0 MAR 2001 SERVICE MODE S 66 COPIER FUNCTION 2 4 FUNCTION The following screen appears in response to COPIER FUNCTION F00 204 01 INSTALL CCD LASER DPC CST CLEANING FIXING SYSTEM PANEL CLEAR PART CHK MISC R MISC P ...

Page 564: ...ower while machine is in operation Using the Mode 1 Select the item and press the OK key 2 See that the machine supplies toner about 8 to 10 min While toner is being supplied a count down is indicated in sec starting at 600 sec 3 See that the machine automatically stops toner supply CARD Use it to enter numbers for the cad reader Input value 1 to 200 Default 0 not connected As many as 1000 cards m...

Page 565: ...anning lamp inverter PCB copyboard glass standard white plate light adjustment control PCB light adjustment sensor PCB Use the whitest of all the sheets used by the user except sheets for color printing Using the Mode 1 Place standard white sheets 10 sheets or more on the copyboard glass 2 Select the item and press the OK key 3 See that the machine executes auto adjustment about 1 min 4 See that t...

Page 566: ...ER ADJUST CCD are updated print out a service label and store it away LUT ADJ2 Use it to execute CCD gain fine adjustment If the difference in density cannot be correced by executing LUT DJ CCD gain simplified correction execute this mode using the 10 grada tion chart Using the Mode 1 As shown place the 10 gradation chart D 10 Test Sheet on the copyboard glass 2 Select the item and press the OK ke...

Page 567: ...atically in about 60 sec See that the display shows OK POWER B Use it to turn on laser B Using the Mode 1 See the descriptions for POWER A DPC Use it to adjust potential sensor related items OFST Use it to adjust the offset for the potential sensor This mode is part of the series of procedures to perform when replac ing the potential sensor unit Do not use this mode on its own Chap ter 6 Troublesh...

Page 568: ...tte and adjust the side guide plate to suit the width of the paper 2 Select C3 STMTR C4 STMTR and press the OK key After auto adjustment the value will be stored 3 Likewise repeat steps 1 and 2 for A4R MF A4R MF A6R MF A4 Use it to register the paper width basic value for the manual feed tray A4R width 210 mm A6R width 105 mm A4 width 297 mm To make fine adjustments after registering the basic val...

Page 569: ...aning of the charging wire 5 times in succession 5 back and forth trips If you have replaced the primary charging wire or the transfer charg ing wire be sure to execute this mode Using the Mode 1 Select the item and press the OK key 2 See that the machine executes automatic cleaning of the charging wire 5 times in succession 3 See that the machine stops automatically after cleaning the wire ...

Page 570: ...dth Using the Item 1 Make about 20 prints of A4 Test Sheet 2 Place A4 paper in the manual sheet tray 3 Select the item to highlight and press the OK key After pickup the paper stops between the fixing rollers once and will then be delivered in about 20 sec 4 Measure the width of the indicated area F002 204 04 a and b are points 10 mm from both ends of the paper Feed direction Standard a c 0 5mm or...

Page 571: ...OK key The LEDs will go on in sequence 2 Select LED OFF to end the operation LED OFF Use it to end a check on the LEDs in the control panel 1 Select the item to end the LED CHK operation KEY CHK Use it to check key inputs Using the Mode 1 Select the item 2 Press the key to check If normal its corresponding character will be indicated on the touch panel T00 204 01 3 At the end of the check select K...

Page 572: ... the item and press the OK key The clutch will go ON remain ON for 10 sec go OFF remain OFF for 10 sec go ON and OFF MTR Use it to select the motor whose operation you want to check Using the Mode 1 Select the item 2 Enter the code of the motor using the keypad T00 204 03 3 Press the OK key MTR ON Use it to check the operation of the motor Using the Mode 1 Select the item and press the OK key The ...

Page 573: ...sette 4 pickup clutch CL14 5 Vertical path 4 clutch CL15 6 Deck right pickup clutch CL10 7 Vertical path 1 clutch CL8 8 Deck left pickup latch CL11 9 Vertical path 2 clutch CL9 10 Pre registration clutch CL5 11 Lower feed middle clutch CL6 Code Name 12 Lower feed right clutch CL17 13 Deck left feed clutch CL19 14 Delivery speed switching clutch CL21 15 Registration brake clutch CL3 16 Manual feed ...

Page 574: ... left pickup solenoid SL8 3 Deck 3 pickup solenoid SL9 4 Cassette 4 pickup solenoid SL10 5 Manual feed pickup clutch solenoid SL6 6 Manual feed pickup clutch solenoid SL6 Code Name 7 Delivery flapper solenoid SL3 8 Reversal flapper solenoid SL11 9 Fixing web solenoid SL2 10 Fixing feed unit lock solenoid SL4 11 Fixing feed unit lock solenoid SL4 12 Shutoff 13 Side paper deck pickup solenoid ...

Page 575: ...he OK key 2 Turn off and then on the main power switch R CON Use it to clear the RAM on the reader controller PCB Using the Mode 1 Select the mode and press the OK key 2 Turn off and then on the main power switch SERVICE Use it to clear the backup data of service mode COPIER OPTION Using the Mode 1 Select the item and press the OK key 2 Turn off and then on the main power switch JAM HIST Use it to...

Page 576: ...Select the item and press the OK key 2 Turn off and then on the main power switch CNT DCON Use it to clear the counter readings for service whose data is kept by the DC controller PCB Using the System 1 Select the item and press the OK key 2 Turn off and then on the main power switch MMI Use it to clear the backup data of user mode settings specifications ID mode group ID mode memory etc Using the...

Page 577: ...t of service modes COPIER ADJUST OPTION COUNTER Using the Item 1 Select the item and press the OK key A list of service modes will be printed out KEY HIST Use it to print out a history of key inputs made from the control panel Using the Mode 1 Select the item and press the OK key A list of key inputs will be printed out HIST PRT Use it to print out a history of jams errors or alarms service mode U...

Page 578: ...n the service book case behind the front cover PRE EXP Use it to check the activation of the pre exposure lamp Using the Mode 1 Select the item and press the OK key The pre exposure lamp will go ON 2 See that the machine will automatically go OFF after remaining for sev eral sec SYSTEM Use it to check system related operations DOWNLOAD Use it to switch the system program to download mode Use it wh...

Page 579: ...se file storage area 3 PDL related file storage area 4 program file storage area 3 Press the OK key HD CHECK Use it to for checking and recovery of the partition selected using CHK TYPE Using the Mode 1 Select the item 2 Press the OK key 3 Check the result TYPE 0 OK NG hardware NG software number of recovery sector TYPE 1 to 4 OK NG HD CLEAR Use it to initialize the partition selected using CHK TY...

Page 580: ... SERVICE MODE S 83 COPIER OPTION 2 5 OPTION The following screen will appear in response to COPIER OPTION F00 205 01 For each item under COPIER OPTION the updated settings will become effective when the main power switch is turned off and then on BODY USER CST ACC INT FACE ...

Page 581: ...f others 4 200 V if absolute moisture content is 14 g or more 600 V if others MODEL SZ Use it to switch the ADF original size detection mechanism and the default ratio display mechanism by country Setting 0 AB 6R5E 1 INCH 5R5E 2 A 3R3E 3 AB INCH 6R5E FIX TEMP Use it to set the down sequence start temperature for thick paper mode Setting 0 194 C 1 189 C default 2 184 C IDL MODE Use it to set the de...

Page 582: ... size detection mechanism When enabled it determines the scan size based on the original size Setting 0 OFF default 1 ON OHP TEMP Use it to set the transparency mode control temperature To ensure separation of transparency from the fixing roller control will be by a lower fixing temperature Setting 0 198 C default 1 193 C 2 188 C 3 183 C OHT CNT Use it to enable disable the transparency mode poten...

Page 583: ...mode The fixing temperature will be lowered to improve stacking perfor mance in the finisher Setting 0 OFF default 1 lower by 5 C 2 lower by 10 C 3 lower by 15 C DRUM CLN Use it to select drum cleaning enhancement mode During copying the drum rotation is stopped for about 1 sec as soon as a specific number of sheets has been exceeded thereby re covering the cleaning performance of the cleaning bla...

Page 584: ... 1 Half speed CONFIG Use it to select multiple pieces of firmware stored on the hard disk to switch between countries languages destinations and paper sizes Setting XXYYZZAA XX country YY language ZZ destination AA paper size configura tion The mode of indication is as selected by COPIER DISPLAY USER LANGUAGE Using the Mode 1 Select CONFIG 2 Select the item to change to highlight and press the key...

Page 585: ...or pickup from the right deck to deal with various problems Setting 0 for plain paper default 1 for re cycled paper 2 for tracing paper TR SP C2 Use it to change the transfer separation output setting for pickup from the left deck to deal with various problems Setting 0 for plain paper default 1 for re cycled paper 2 for tracing paper TR SP C3 Use it to change the transfer separation output settin...

Page 586: ...ust detection mechanism in ADF stream read ing mode Setting 0 ON default 1 OFF THICK PR Use it to set potential control for thick paper mode Setting 0 use value determined by potential control for plain paper mode de fault 1 use value determined by potential control for transparency mode DEV SLOW Use it to change the speed of the developing sleeve Setting 0 change to suit environment default 1 fix...

Page 587: ...nd sequence for every 60 prints 2 execute black band sequence for every 20 prints 3 execute black band sequence for every 6 prints BK BD 2 Use it to set black band increase month mode for February Setting Same the setting of BK BD 1 BK BD 3 Use it to set black band increase month mode for March Setting Same the setting of BK BD 1 BK BD 4 Use it to set black band increase month mode for April Setti...

Page 588: ...ge the upper limit imposed on the number of copies Setting 1 to 999 default 999 SLEEP Use it to enable disable sleep mode Setting 0 OFF 1 ON default WEB DISP Set it to enable disable the fixing web length warning message When disabled no warning the message will be indicated only when service mode is started Setting 0 OFF do not issue warning default 1 ON issue warning SIZE DET Use it to enable di...

Page 589: ... suit the needs of the user dealer Setting 000 to 804 T00 205 01 default 000 for 100V model 201 for 208 230V model COUNTER4 Use it to change the type of soft counter 4 of the control panel to suit the needs of the user dealer Setting 000 to 804 T00 205 01 default 000 for 100V model 203 for 208 230V model COUNTER5 Use it to change the type of soft counter 5 of the control panel to suit the needs of...

Page 590: ...ht 4 standard 8 dark CONTROL PDL count function not used in the machine Setting 0 do not count PDL output 1 count PDL output if control card is connected B4 L CNT For soft counters 1 through 6 set B4 as large size or small size Setting 0 count as small size default 1 count as large size TRY STP Use it to prohibit suspension of printing in response to a limit in the number of sheets to staple or th...

Page 591: ...ob auto start enabled default 1 copy job auto start disabled NW SCAN use it to enable disable the network scanning function The setting cannot be changed for the 100V model For the 208 230V model the setting can be changed for the PS PCL model fixed to 1 Setting 0 disable default 1 enable INS C S Use it to expand the inserter function Setting 0 support cover only default 1 support cover interleaf ...

Page 592: ...indication 101 total 1 102 total 2 103 total L 104 total S 105 total 4C1 106 total 4C2 107 total mono 108 total Bk1 109 total Bk2 110 total mono L 111 total mono S 112 total Bk L 113 total Bk S 114 total 4C mono Bk double sided total 1 double sided 115 total 2 double sided 116 L double sided 117 S double sided 201 copy total 1 202 copy total 2 203 copy L 204 copy S 205 copy A total 1 Support No Co...

Page 593: ...no L double sided 327 print mono L double sided 328 print mono S double sided 329 print Bk L double sided 330 print Bk S double sided 331 PDL print total 1 332 PDL print total 2 333 PDL print L 334 PDL print S Support No Counter 401 copy print 4C L 402 copy print 4C S 403 copy print Bk L 404 copy print Bk S 405 copy print Bk2 406 copy print Bk1 407 copy print 4C mono L 408 copy print 4C mono S 409...

Page 594: ... MODE S 97 COPIER OPTION T00 205 01 3 3 Support No Counter 701 received file print total 1 702 received file print total 2 703 received file print L 704 received file print S Support No Counter 801 report print total 1 802 report print total 2 803 report print L 804 report print S ...

Page 595: ... by paper size group U1 Setting 22 K LGL 31 G LTR default CST U2 Use it to select the paper notation to be used by paper size group U2 Setting 24 FOOLSCAP default 26 OFFICIO 27 E OFFI 33 A LGL 36 A OFI 37 M OFI CST U3 Use it to select the paper notation to be used by paper size group U3 Setting 25 A FLS 34 G LGL default 35 FOLIO CST U4 Use it to select the paper notation to be used by paper size g...

Page 596: ... 11x17 17 LTRR LETTERR 18 LTR LETTER 19 STMT STATEMENT 20 STMTR STATEMENTR 21 LGL LEGAL Code Abbreviation Notation 22 K LGL Korean GOVERNMENT 23 K LGLR Korean GOVERNMENTR 24 FLSC FOOLSCAP 25 A FLS Australian FOOLSCAP 26 OFI OFFICIO 27 E OFI Ecuadorian OFFICIO 28 B OFI Bolivian OFFICIO 29 A LTR Argentine LETTER 30 A LTRR Argentine LETTERR 31 G LTR Government LETTER 32 G LTRR Government LETTERR 33 A...

Page 597: ...rol Card Set notation indicated in the control panel will be replaced by the Coin Vendor notation Setting 0 OFF default 1 ON DK P Use it to select the paper size to be used by the side paper deck Setting 0 A4 default 1 B5 2 LTR INT FACE Use it to set conditions for connection of an external controller IMG CONT Use it to set the eternal controller detecting switch Setting 0 external controller abse...

Page 598: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR8500 REV 0 MAR 2001 SERVICE MODE S 101 2 6 TEST The following screen appears in response to COPIER TEST F00 206 01 PG NETWORK ...

Page 599: ... mode for test printing Setting 0 text mode 1 photo mode PG PICK USE it to select the source of paper for test printing Setting 1 right deck default 2 left deck 3 cassette 3 4 cassette 4 5 side deck 6 to 8 not used Type Input Numbers and Test Prints T00 206 01 Input No Description 0 image from CCD normal printing 1 grid 2 17 gradation with image correction 3 17 gradation without image correction I...

Page 600: ...with image correction PG TYPE2 F00 206 03 3 17 Gradation without image correction PG TYPE3 F00 206 04 Right Angles displaced bema of laser light Gradation faulty laser system Uneven density primary charging assembly faulty developing system Uneven density primary charging assembly faulty developing system Gradation faulty laser system ...

Page 601: ...ion system it also depends on the density correction mechanism e g AE F00 206 06 6 Solid Black PG TYPE6 F00 206 07 Fogging faulty photosensitive drum faulty developing system faulty laser system 1 Black Lines scratches on drum dirt on primary charging wire 2 Vertical White Spots faulty transfer 3 Left Right Uneven Density faulty primary charging assembly faulty developing system 1 White Spots faul...

Page 602: ...00 REV 0 MAR 2001 SERVICE MODE S 105 7 Vertical lines PG TYPE7 F00 206 08 8 Horizontal Lines PG TYPE8 F00 206 09 Feeding direction Straight lines sub scanning direction faulty BD Straight lines main scanning direction displaced laser beam Feeding direction ...

Page 603: ...ing line F00 206 10 Memo Checking for a Laser Delay Use a magnifying glass CK 0056 000 to make sure that the distance be tween a and b in the figure is a specific distance otherwise try changing the setting under COPIER ADJUST LASER DLY FINE COPIER ADJUST LASER DLY FINE Range of adjustment 16 to 16 1 being a 1 16 pixel 1 pixel being the sum length of a band b B A a b B A A ...

Page 604: ... to the machine and turn on the main power switch 3 Inform the user s system administrator that the machine has been in stalled and ask him her to make network settings 4 Inform the user s system administrator that a check will be made on the network connection and find out the remote host address IP address of the PC terminal on the user s network for a PING command 5 Make the following selection...

Page 605: ...tting may be assumed to be free of a fault However suspect a fault in the connection of the network inter face board NIC or the NIC itself go to step 7 to make a check The signal will be returned in front of the NIC enabling a check on the TCP IP setting of the machine 7 Make the following selections in service mode COPIER TEST NETWORK PING then enter the local host address IP address of the machi...

Page 606: ...07 01 Clearing the Counter Reading 1 Select the item to clear so that it is highlighted 2 Press the Clear key in the control panel The counter will be cleared to 00000000 Grouping of Paper Sizes small and large Large L papers larger than A4 LTR Small S papers equal to or smaller than A4 LTR TOTAL PICK UP FEEDE PRDC 1 DRBL 1 DRBL 2 PICK UP FEEDER JAM TOTAL MISC SCANNER ...

Page 607: ...mbol for range between 90 and 100 and two for 100 or higher in the example no indication 6 indicatesestimated number of days until replacement in the example 82 days List of COUNTER Items Level 1 COUNTER Mode Level 2 TOTAL Level 3 SERVICE1 total counter 1 for service SERVICE2 total counter 2 for service COPY copy counter PDL PRT PDL print counter RMT PRT remote copy print counter BOX PRT Box print...

Page 608: ...unter FEEDER feeder ADF jam counter SORTER sorter finisher jam counter 2 SIDE duplex assembly jam counter MF manual feed tray jam counter C1 right deck jam country C2 left deck jam counter C3 cassette 3 jam counter C4 cassette 4 jam counter Dk side paper deck jam counter Level 2 MISC Level 3 FIX WEB fixing web counter Be user to clear the reading after replacing the fixing web WST TNR waste toner ...

Page 609: ...nsfer charging wire counter TR WIRE transfer charging wire counter PRM CLN primary charging wire cleaner counter TR CLN transfer charging wire cleaner counter PO CLN pre transfer charging wire cleaner counter FIX TH1 fixing main thermistor TH1 counter FIX TH2 fixing sub thermistor TH2 counter FX TSW fixing thermal switch TP1 counter OZ FIL1 ozone filter counter AR FIL1 air filter counter COPIER CO...

Page 610: ... motor counter DRM FAN drum fan counter CLN BLD cleaner blade counter SP CLAW cleaner separation claw counter DVG CYL developing cylinder counter DVG ROLL developing assembly roller counter TNR F CL developing assembly magnet roller clutch counter DEV 1CL developing cylinder clutch counter DEV 2CL developing cylinder deceleration clutch counter TNR FD M toner feed motor counter C3 PU RL cassette 3...

Page 611: ...nter RD PU SL right deck pickup solenoid counter M PU SL manual feed tray pickup solenoid counter RV FP SL reversal paper solenoid counter DUP R CL lower feed right clutch counter DUP C CL lower feed middle clutch counter DUP RV M duplex reversal motor counter DUP FD M duplex feed motor counter FX UP RL fixing upper roller counter FX LW RL fixing lower roller counter FX MTR fixing motor counter FH...

Page 612: ...r PD PU MR side paper deck pickup motor counter PD PU SL side paper deck pickup solenoid counter NON SORT non sort path counter SORT sort path counter FIN STPR finisher staple counter SADDLE saddle counter FOLD folder path counter SDL STPL saddle staple counter PUNCH punch counter INSERTER inserter counter U L PTH1 finisher upper lower path counter 1 U L PTH2 finisher upper lower path counter 2 SO...

Page 613: ...to 30 1 being equal to 0 5 mm Using the Mode 1 Place an original in the original tray 2 Select the item and change the setting then press the OK key 3 Press the OK key so that the original will be picked up 4 Open the ADF and check the original stop position 5 Press the OK key so that the original will be delivered F00 302 01 DOCST M Use it to adjust the stopped position of original for pickup fro...

Page 614: ...top position in stream reading mode small size Range of adjustment 25 to 25 1 being equal to 0 1 mm F00 302 02 STRD L Use it to adjust the scanner stop position for stream reading mode large size Range of adjustment 25 to 25 1 being equal to 0 1 mm To use see the descriptions under FEEDER ADJUST STRD S RVM SPD Use it to adjust the speed of the reversal motor A higher setting increases the speed Ra...

Page 615: ... the OK key 2 See that the machine stops automatically after making adjustments BELT CLN Use it to clean the separation belt of the ADF Using the Mode 1 Select the item and press the OK key 2 See that the separation belt goes ON Press the Stop key to stop it REG CLN Use it to clean the registration roller of the ADF Using the Mode 1 Select the item and press the OK key 2 See that the registration ...

Page 616: ... disable stream reading SIZE SW Use it to enable disable mixed size detection of originals of AB and Inch sizes Setting 0 disable mixed size detection default 1 enable mixed size detection The detecting mechanism is enabled only when 3 AB INCH is se lected in service mode COPIER OPTION BODY MODEL SZ SLW SPRT Use it to decrease the separation speed for original pickup Setting 0 normal mode default ...

Page 617: ...fts the punch hole toward the leading edge paper middle Range of adjustment 23 to 23 1 being equal to about 0 5 mm Using the Mode 1 Make a print of the Test Chart and check the hole position 2 Select the item and charge the setting to adjust 3 Press the OK key 4 Make a test print of the Test Chart and check to make sure that the hole position is as indicated F00 401 01 feed direction Higher settin...

Page 618: ...000 CANON iR8500 REV 0 MAR 2001 SERVICE MODE S 121 4 2 OPTION BLNK SW Use it to set the margin width W on both sides of the fold when the saddle sticker is used Setting 0 normal width 5 mm default 1 large width 10 mm F00 402 01 W SORTER OPTION ...

Page 619: ...te default 1 indicate MENUE 4 Use it to indicate Level 4 of the printer setting menu Setting 0 do not indicate default 1 indicate PCI1 OFF Use it to disable the function of slot 1 when the board fitted to slot 1 of the PCI is faulty Setting 0 normal default 1 OFF disable board function PCI2 OFF Use it to disable the function of slot 2 when the board fitted to slot 2 of the PCI is faulty Setting 0 ...

Page 620: ...Error Code COPYRIGHT 2001 CANON INC 2000 CANON iR8500 REV 0 MAR 2001 ...

Page 621: ...es relating to the feeder E500 to E514 codes relating to the finisher E515 codes relating to the inserter E518 codes relating to the paper folding unit E530 to E595 codes relating to the finisher E5F0 to E5F9 codes relating to the saddle stitcher E601 to E830 codes relating to the copier If an error is detected the machine may be reset by turning it off and then on this however does not apply to E...

Page 622: ... main thermistor does not reach 70 C 3 min 30 sec after the main power switch is turned on Remarks You must clear the error in service mode COPIER FUNCTION CLEAR ERR E001 Main cause The main thermistor TH1 has a short circuit the sub thermistor TH2 has detected overheating The SSR is faulty The DC controller PCB is faulty Condition 0001 A fault is detected hardware port 0002 The reading of the mai...

Page 623: ...in 30 sec Remarks You must clear the error in service mode COPIER FUNCTION CLEAR ERR E003 Main cause The main thermistor TH1 has poor contact or an open circuit The thermal switch TP1 has an open circuit The SSR is faulty The DC controller PCB is faulty Condition 0000 The reading of the main thermistor is 70 C or lower for 2 sec or more after it reaches 100 C Remarks You must clear the error in se...

Page 624: ...ER MISC FIX WEB and COPIER COUNTER DRBL 1 FIX WEB E010 Main cause The main motor M1 is faulty The DC controller PCB is faulty Condition 0000 Clock pulses do not arrive for 2 sec or more after the main motor drive signal is generated E012 Main cause The drum motor M0 is faulty The DC controller PCB is faulty Condition 0000 Clock pulses do not arrive for 2 sec or more after the drum motor drive sign...

Page 625: ...ated E019 Main cause The waste toner case is full The waste toner case full sensor PS19 is faulty The DC controller PCB is faulty Condition 0000 The machine is used to make more prints than allowed without dis posing of waste toner after a waste toner full condition indicated by a message is detected E020 Main cause The hopper connector is disconnected The toner feed motor M18 inside the hopper is...

Page 626: ...ty The main controller PCB is faulty Condition 0000 The copy data controller NE controller is disconnected after it has been connected once E043 Main cause The side paper deck main motor M101 is faulty The side deck driver PCB is faulty The DC controller PCB is faulty Condition 0000 The PLL lock signal DMPLK does not arrive for 2 sec after the side paper deck main motor drive signal is generated E...

Page 627: ...e pre transfer high voltage transfer high voltage and separation high voltage Or a fault leakage in high voltage output to the separa tion charging assembly is detected E068 Main cause The HV DC PCB is faulty The HV AC PCB is faulty The separation charg ing assembly is faulty The wiring is faulty short circuit open circuit Condition 0000 A fault leakage in high voltage output to the separation cha...

Page 628: ...DC controller PCB is faulty Condition 0000 The constant rotation signal LM RDY does not arrive for 15 sec or more after the laser scanner motor M4 drive signal is gener ated E111 Main cause The laser scanner motor cooling fan FM14 is faulty The DC controller PCB is faulty The wiring is faulty short circuit open circuit Condition 0000 The lock signal arrives for 5 sec or more although the laser sca...

Page 629: ...ream reading mode the image leading edge signal does not arrive from the ADF controller PCB Remarks No code is indicated The keys are disabled The code may be checked in service mode COPIER DISPLAY ERR E211 Main cause The thermistor TH3 inside the fluorescent lamp heater is faulty The light adjustment control PCB is faulty The reader controller PCB is faulty The wiring is faulty short circuit open...

Page 630: ... inverter PCB is faulty The reader controller PCB is faulty Condition 0000 The fluorescent lamp does not reach a specific intensity within 10 sec after it is turned on if the room temperature is 10 C or lower within 60 sec Or the activation detection signal FL DTCT does not go OFF within 5 sec after the fluorescent lamp is turned off during shading adjustment the activation detection signal FL DTC...

Page 631: ... controller PCB and the original orientation detection PCB 0001 When identifying the orientation of an original no result is com municated from the original orientation detection PCB until the next session 0002 No result on the last original is communicated 5 sec after the end of reading the last original E243 Main cause The control panel CPU PCB is faulty The main controller PCB is faulty Conditi...

Page 632: ...cessing does not end on the reader controller PCB E315 Main cause The reader controller PCB is faulty The main controller PCB is faulty Condition 0000 During image rotation encoding decoding has a fault E320 Main cause The CCD AP PCB is faulty The wiring is faulty short circuit open cir cuit The reader controller PCB is faulty Condition 0000 When reading an image no image read end communication fr...

Page 633: ... is faulty The belt motor clock sensor PI1 is faulty The ADF controller PCB is faulty Condition 0000 When the belt motor drive signal is generated no clock signal is generated for 100 msec E404 Main cause The delivery motor M5 is faulty The delivery motor clock sensor PI11 is faulty The ADF controller PCB is faulty Condition 0000 When the delivery motor drive signal is generated no clock signal is...

Page 634: ...up roller home position sensor PI7 within 2 sec E412 Main cause The cooling fan FM1 is faulty The ADF controller PCB is faulty Condition 0000 The lock signal arrives for 100 msec or more although the cooling fan is driven E420 Main cause The EEPROM is faulty The ADF controller PCB is faulty Condition 0000 When the power switch of the host machine is turned on the backup data of EEPROM cannot be re...

Page 635: ...is faulty data communication with the slave CPU Condition 0000 The communication between the master CPU IC106 and the slave CPU IC125 is disrupted E503 Main cause The saddle stitcher controller PCB is faulty The finisher controller PCB is faulty data combination with the saddle Condition 0000 The communication between the saddle stitcher controller PCB and the finisher controller PCB is disrupted ...

Page 636: ...slave program checksum mis match 0005 After a shift to download mode 3 min passes without any opera tion Or the machine is started up without completing download ing E510 Main cause The inlet motor M1 is faulty The finisher controller PCB is faulty Condition 00FF When the motor is in operation the clocks from the inlet motor in dicates 50 mm sec less for 1 sec or more E514 Main cause The stack del...

Page 637: ...e rear align ment motor M5 is faulty The finisher controller PCB is faulty Condition 0001 When the rear aligning plate motor is driven for a specific period of time the aligning plate does not return to home position 0002 When the rear aligning plate motor is driven for a specific period of time the aligning plate does not leave home position E531 Main cause The stapling home position sensor insid...

Page 638: ... motor is driven for 4 sec E535 Main cause The swing guide open sensor PI15 is faulty The swing guide closed sen sor PI14 is faulty The swing motor M8 is faulty The finisher controller PCB is faulty Condition 0001 The swing guide closed sensor does not go ON when the swing motor is rotated for 2 sec 0002 The swing guide open sensor does not go ON when the swing mo tor is rotated for 1 sec E537 Mai...

Page 639: ...t motor is driven E542 Main cause The tray B lift motor M12 is faulty The tray B idle rotation sensor PI18 is faulty The tray B lower limit sensor PI24 is faulty The tray B paper sensor PI17 is faulty Condition 0001 A clock error is identified during motor rotation the lock from the tray B idle rotation sensor is absent for 250 msec 0002 An area error is detected the position of the tray B is abov...

Page 640: ...motor is rotated for 1 sec or more E583 Main cause The tray auxiliary plate motor M6 is faulty The tray auxiliary plate ex traction sensor PI 11 is faulty Condition 0001 The tray auxiliary plate extract sensor does not go ON a specific period of time after the tray auxiliary plate motor is driven 0002 The tray auxiliary plate extract sensor does not go OFF a specific period of time after the tray ...

Page 641: ...ch only E593 Main cause The punch slider home position sensor PI22 is faulty The punch registra tion motor M17 is faulty The punch driver PCB is faulty Condition 0001 The puncher does not return to horizontal registration home posi tion when the punch registration motor is driven for a specific pe riod of time 0002 The puncher does not leave the horizontal registration home posi tion when the punc...

Page 642: ...E E 22 E595 Main cause The punch waste paper feed motor M16 is faulty The punch waste paper feed sensor PI27 is faulty The punch driver PCB is faulty Condition 00FF When the punch waste paper feed motor is in operation the input from the punch waste paper feed sensor does not change ...

Page 643: ...on sensor does not go OFF when paper positioning plate motor is driven for 1 sec or more E5F1 Main cause The folding motor clock sensor PI47 is faulty The paper folding motor M42 is faulty The saddle stitcher control PCB is faulty Condition 0001 The number of detection pulses of the folding motor clock sensor is below a specific value E5F2 Main cause The guide home position sensor PI54 is faulty T...

Page 644: ...ddle rear stapler motor M46 is faulty The saddle stitcher controller PCB is faulty Condition 0001 The saddle rear stapler home position switch does not go ON when the saddle rear stapler motor is rotated CW for 0 5 or more 0002 The saddle rear stapler home position switch does not go OFF when the saddle rear stapler motor is rotated CCW for 0 5 sec or more E5F5 Main cause The saddle front home pos...

Page 645: ...e 0004 The number of detection pulses of the flapper pushing plate motor clock sensor is below a specific value E5F7 Main cause The saddle tray motor M49 is faulty The saddle tray home position sensor PI41 is faulty The saddle stitcher controller PCB is faulty Condition 0001 The saddle tray home position sensor does not go ON when the saddle tray motor is driven for 8 sec or more 0002 The saddle t...

Page 646: ... faulty Condition 0001 While the inlet cover front cover and delivery cover are closed as detected the inlet cover is open as detected for 1 sec or more af ter the start of initial rotation of the host machine or the start of printing 0002 While the inlet cover front cover and delivery cover are closed as detected the output cover is open as detected for 1 sec or more from the start of initial rot...

Page 647: ...ty short circuit open circuit disconnection The in stalled system file is faulty The hard disk drive is faulty The main control ler PCB is faulty Condition 0001 A fault is detected in the mounting of the hard disk when the sys tem on the hard disk is started up using the BOOT ROM 0002 The appropriate system file cannot be found on the hard disk when the system on the hard disk is started using the...

Page 648: ...in mind that if the power switch is turned off and then on too fast that discrepancy between the timing of initiation between the copier and the printer board can cause E677 Be sure to allow 5 sec or more before turning the power switch back on If it occurs while the machine is in operation If the fault occurs during printing and if the machine starts up normally when it is turned off and on after...

Page 649: ...r connection The NE controller PCB is faulty The copy data controller PCB is faulty The ADF controller PCB is faulty the finisher controller PCB is faulty Condition 0001 Data is written to the error register of the IPC IC5 on the reader controller PCB four times or more within 1 5 sec 0002 Data is written to the error register of the IPC IC40 on the DC controller PCB four times or more within 2 se...

Page 650: ...on 0000 The copy data controller or the NE controller is out of order or the wiring has an open circuit Remarks You must clear the error in service mode COPIER FUNCTION CLEAR ERR E719 Main cause The wiring is faulty short circuit open circuit The coin vendor is faulty The main controller PCB is faulty Condition 0002 The communication between the coin vendor and the main control ler PCB is interrup...

Page 651: ...PCB is faulty Condition 0000 A fault occurs in the PCI bus E744 Main cause The version of the system software installed to the hard disk and that of the language module do not match Or there is no language module that can be used Condition 0001 The version of the system software installed to the hard disk and that of the language module selected in user mode do not match 0002 The size of the file ...

Page 652: ...r more although the power supply cooling fan 1 and 2 is driven 0004 The temperature around the main controller PCB is identified as being 80 C or higher Caution In the case of a fault in the system fan FM16 an alarm will be issued and indicated under ALARM 2 000804 0004 E805 Main cause The wiring is faulty short circuit open circuit The fixing assembly heat discharge fan FM2 is faulty The DC contr...

Page 653: ... pre transfer charging assembly fan is driven E824 Main cause The wiring is faulty short circuit open circuit The primary charging fan FM1 is faulty The DC controller PCB is faulty Condition 0000 The lock signal is detected or 5 sec or more although the primary charging fan is driven E830 Main cause The wiring is faulty short circuit open circuit The separation fan FM13 is faulty The DC controller...

Page 654: ...0 MAR 2001 PRINTED IN U S A Prepared by Office Imaging Products Technical Support Division Office Imaging Products Quality Assurance Center CANON INC Printed in U S A REVISION 0 MAR 2001 30359 32205 35870 28353 5 1 Hakusan 7 chome Toride shi Ibaraki 302 8501 Japan ...

Page 655: ...PRINTED IN U S A 0301AB0 76 0 This publication is printed on 100 recycled paper ...

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