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Contents

Contents

6.1 Construction ...................................................................................................................................................................6-1

6.1.1 Specifications of Image Formation System ................................................................................................................................. 6-1
6.1.2 Major Components of Image Formation System......................................................................................................................... 6-2

6.2 Image Formation Process...............................................................................................................................................6-3

6.2.1 Image Formation Process............................................................................................................................................................. 6-3

6.3 Basic Sequence ..............................................................................................................................................................6-4

6.3.1 Basic Sequence of Operation ....................................................................................................................................................... 6-4

6.4 Driving and Controlling the High-Voltage System .......................................................................................................6-5

6.4.1 Outline.......................................................................................................................................................................................... 6-5

6.5 Drum Unit ......................................................................................................................................................................6-6

6.5.1 Outline of the Drum Unit............................................................................................................................................................. 6-6

6.5.1.1 Outline.............................................................................................................................................................................................................6-6

6.5.2 Charging Mechanism ................................................................................................................................................................... 6-6

6.5.2.1 Primary Charging Bias Control.......................................................................................................................................................................6-6

6.6 Developing Unit.............................................................................................................................................................6-7

6.6.1 Outline.......................................................................................................................................................................................... 6-7
6.6.2 Developing Bias Control.............................................................................................................................................................. 6-7

6.7 Toner Container .............................................................................................................................................................6-8

6.7.1 Outline.......................................................................................................................................................................................... 6-8

6.8 Transfer Unit ..................................................................................................................................................................6-8

6.8.1 Outline of the Transfer Unit......................................................................................................................................................... 6-8

6.8.1.1 Outline.............................................................................................................................................................................................................6-8

6.8.2 Controlling the Transfer Bias....................................................................................................................................................... 6-9

6.8.2.1 Transfer Roller Bias Control...........................................................................................................................................................................6-9

6.8.3 Separation Mechanism................................................................................................................................................................. 6-9

6.8.3.1 Static Eliminator Bias Control ........................................................................................................................................................................6-9

6.9 Photosensitive Drum Cleaning.....................................................................................................................................6-10

6.9.1 Outline........................................................................................................................................................................................ 6-10
6.9.2 Waste Toner Full Detection ....................................................................................................................................................... 6-10

6.10 Parts Replacement Procedure.....................................................................................................................................6-11

6.10.1 Drum Unit ................................................................................................................................................................................ 6-11

6.10.1.1 Removing the Drum Unit............................................................................................................................................................................6-11

6.10.2 Developing Assembly.............................................................................................................................................................. 6-11

6.10.2.1 Removing the Developing Assembly..........................................................................................................................................................6-11
6.10.2.2 Precautions about Installation of Developing Assembly ............................................................................................................................6-11
6.10.2.3 Procedure after Replacing the Developing Assembly ................................................................................................................................6-11

6.10.3 Transfer Charging Roller ......................................................................................................................................................... 6-12

6.10.3.1 Removing the Transfer Charging Roller.....................................................................................................................................................6-12

Summary of Contents for iR2318 series

Page 1: ...May 12 2014 Service Manual iR2422 2420 2320 2318 Series ...

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Page 3: ... need arises In the event of major changes in 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 ma...

Page 4: ...quiring 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 Indicates an item of reference assisting the understanding of the topic in question Provides a descri...

Page 5: ...sed to indicate Low The voltage value how ever differs from circuit to circuit In addition the asterisk as in DRMD indicates that the DRMD signal goes on when 0 In practically all cases the internal mechanisms of a microprocessor cannot be checked in the field Therefore the operations of the microprocessors used in the machines are not discussed they are explained in terms of from sensors to the i...

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Page 7: ... cassette model 1 9 1 2 2 3 When Turning Off the Main Power Switch 1 cassette model 1 10 1 2 2 4 When Turning Off the Main Power Switch 2 cassette model 1 12 1 2 2 5 Control Panel 1 13 1 2 3 User Mode Items 1 14 1 2 3 1 Audible Tones 1 14 1 2 3 2 Common Settings 1 15 1 2 3 3 Copy Settings 1 16 1 2 3 4 Printer Settings 1 16 1 2 3 5 Timer Settings 1 17 1 2 3 6 Timer Settings 1 17 1 2 3 7 Adjustment ...

Page 8: ... 2 30 2 5 5 Installing the Reader Heater 2 31 2 6 Installing the Cassette Heater 2 33 2 6 1 Preparing the parts 2 33 2 6 2 Installing the Cassette Heater 2 33 Chapter 3 Main Controller 3 1 Construction 3 1 3 1 1 Constraction and Mechanisms 3 1 3 2 Construction of the Electrical Circuitry 3 2 3 2 1 Image processor PCB 3 2 3 3 Image Processing 3 2 3 3 1 Overview of Image flow 3 2 3 3 2 Configration ...

Page 9: ...on and Offset Correction 4 16 4 3 6 4 CMOS Sensor Output A D Conversion 4 16 4 3 6 5 Shading Correction Outline 4 16 4 3 6 6 Shading Adjustment 4 16 4 3 6 7 Shading Correction 4 17 4 4 Parts Replacement Procedure 4 18 4 4 1 Copyboard glass 4 18 4 4 1 1 Removing the Copyboard glass 4 18 4 4 1 2 Removing the ADF Reading Glass only for ADF equipment 4 18 4 4 2 Reader Controller PCB 4 18 4 4 2 1 Remov...

Page 10: ... 2 Major Components of Image Formation System 6 2 6 2 Image Formation Process 6 3 6 2 1 Image Formation Process 6 3 6 3 Basic Sequence 6 4 6 3 1 Basic Sequence of Operation 6 4 6 4 Driving and Controlling the High Voltage System 6 5 6 4 1 Outline 6 5 6 5 Drum Unit 6 6 6 5 1 Outline of the Drum Unit 6 6 6 5 1 1 Outline 6 6 6 5 2 Charging Mechanism 6 6 6 5 2 1 Primary Charging Bias Control 6 6 6 6 D...

Page 11: ...sembly 7 10 7 2 1 2 Delay Jam in Delivery Assembly Paper Leading Edge Jam at Delivery Sensor Wound Paper Jam at Fixing Assembly 7 10 7 2 1 3 Duplex Paper Sensor 1 Delay Jam 7 10 7 2 1 4 Duplex Paper Sensor 2 Delay Jam 7 10 7 2 2 Stationary Jams 7 10 7 2 2 1 Stationary Jam in Pickup Assembly 7 10 7 2 2 2 Stationary Jam in Delivery Assembly Paper Trailing Edge Stationary Jam at First Delivery Sensor...

Page 12: ...g the Fixing Film Speed 8 2 8 2 2 Controlling the Fixing Film Temperature 8 3 8 2 2 1 Outline 8 3 8 2 2 2 Controlling the Fixing Film Temperature 8 3 8 2 2 3 Target Temperatures by Mode 8 3 8 2 3 Detecting the Passage of Paper 8 4 8 2 3 1 Detecting the Passage of Paper 8 4 8 3 Parts Replacement Procedure 8 5 8 3 1 Fixing Unit 8 5 8 3 1 1 Removing the Fixing Unit 8 5 8 3 2 Pressure Roller 8 6 8 3 2...

Page 13: ...moving the Option Power Supply PCB 9 14 9 4 8 HVT PCB 9 15 9 4 8 1 Removing the HVT PCB 9 15 9 4 9 Fixing Heat Discharge Fan 9 15 9 4 9 1 Removing the Fan Filter Non Duplex Unit 9 15 9 4 9 2 Removing the Fan Filter With Duplex Unit Type 9 16 9 4 10 Fixing Driver Motor 9 17 9 4 10 1 Removing the Fixing Unit Drive Motor 9 17 9 4 11 Left Door 9 17 9 4 11 1 Removing the Left Door Non Duplex Unit Type ...

Page 14: ... 7 1 List of PCBs 12 8 12 2 7 2 List of PCBs 12 10 Chapter 13 Self Diagnosis 13 1 Error Code Table 13 1 13 1 1 List of Error Codes 13 1 13 2 Error Code Details 13 2 13 2 1 Error Code Details 13 2 13 3 Jam Code 13 4 13 3 1 Jam Codes Related to Printer Unit 13 4 13 3 2 Jam Codes Related to Finisher 13 4 13 3 3 Jam Codes Related to ADF 13 5 13 3 4 Jam Codes Related to Duplex Unit 13 5 13 3 5 Jam Code...

Page 15: ... 14 11 14 9 4 Printer Test 14 11 14 9 5 Aging Test 14 12 14 9 6 Factory Test 14 12 14 9 7 Roller Clear Mode 14 14 14 9 8 Video I F Test 14 14 Chapter 15 Upgrading 15 1 Outline 15 1 15 1 1 Overview of Upgrade 15 1 15 2 Downloading System Software 15 1 15 2 1 Downloading System 15 1 15 2 1 1 Downloading Procedure 15 1 15 2 2 Downloading BOOT 15 4 15 2 2 1 Downloading Procedure 15 4 Chapter 16 Servic...

Page 16: ...Contents ...

Page 17: ...Chapter 1 Introduction ...

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Page 19: ...assette model 1 8 1 2 2 2 Turning On the Power Switch 2 cassette model 1 9 1 2 2 3 When Turning Off the Main Power Switch 1 cassette model 1 10 1 2 2 4 When Turning Off the Main Power Switch 2 cassette model 1 12 1 2 2 5 Control Panel 1 13 1 2 3 User Mode Items 1 14 1 2 3 1 Audible Tones 1 14 1 2 3 2 Common Settings 1 15 1 2 3 3 Copy Settings 1 16 1 2 3 4 Printer Settings 1 16 1 2 3 5 Timer Settin...

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Page 21: ...le S1 can be placed on the Cassette feeding module T1 to use these cassette units as a 3 stage cassette unit 2 This accessory is required when the Finisher U2 Cassette feeding module T1 is installed 1 DADF P2 2 Platen Cover Type J 3 Finisher U2 4 Additional Finisher Tray C1 5 Inner 2 way Tray E2 6 Cassette Feeding Module S1 1 7 Cassette Feeding Module T1 1 8 Duplex Unit A1 9 Power Supply Kit Q1 2 ...

Page 22: ...eding module S1 can be placed on the Cassette feeding module T1 A Cassette feeding module S2 can be placed on the Cassette feeding module T2 to use these cassette units as a 3 stage cassette unit 4 This accessory is required when the Finisher U2 Cassette feeding module T1 T2 is installed 1 DADF P2 2 Platen Cover Type J 1 3 Finisher U2 4 Additional Finisher Tray C1 5 Inner 2 way Tray E2 6 Cassette ...

Page 23: ...n in the following figure F 1 3 1 This accessory comes standard 2 This accessory is required when the Finisher U2 Cassette feeding module T2 is installed 1 DADF P2 2 Platen Cover Type J 1 3 Finisher U2 4 Additional Finisher Tray C1 5 Inner 2 way Tray E2 6 Cassette Feeding Module T2 7 Duplex Unit A1 1 8 Power Supply Kit Q1 2 9 Document Tray J1 3 2 9 4 5 6 7 8 1 ...

Page 24: ...guration is as shown in the following figure F 1 4 1 This accessory is required when the Finisher U2 Cassette feeding module T1 is installed 1 DADF P2 2 Platen Cover Type J 3 Finisher U2 4 Additional Finisher Tray C1 5 Inner 2 way Tray E2 6 Cassette Feeding Module T1 7 Duplex Unit A1 8 Power Supply Kit Q1 1 9 Document Tray J1 3 2 9 4 5 6 7 8 1 ...

Page 25: ...F 1 5 1 To operate the heaters a heater PCB is required These parts are supplied as service parts not the standard items 1 1 6 Printing Transmitting Accessories System Configuration 0020 4196 This machine does not allow the print function and the transmission function to be added 1 Reader Heater 1 2 Cassette Heater 1 3 Heater PCB 1 2 3 ...

Page 26: ...rol panel 11 Reader left cover 4 Delivery tray 12 Reader right cover 5 Front cover 13 Reader rear cover 6 Cassette 1 14 Rear cover 7 Left cover front 15 Right cover upper 8 Manual feed tray 16 Right cover lower 1 Copyboard cover 9 Left door 2 Reader front cover 10 Left cover rear 3 Control panel 11 Reader left cover 4 Delivery tray 12 Reader right cover 5 Front cover 13 Reader rear cover 6 Cassett...

Page 27: ...l path roller 3 Laser scanner unit 12 Manual feed pickup roller 4 DC power supply PCB 13 Registration roller 5 HVT PCB 14 Transfer roller 6 Cassette 15 Drum unit 7 Toner bottle 16 Pressure roller 8 Pickup roller 17 Fixing film unit 9 Feed roller 18 Delivery roller 1 2 3 4 5 6 18 16 15 14 13 12 11 10 9 8 7 17 ...

Page 28: ... 4197 The machine possesses 2 power switches main power switch and control power switch Normally i e unless the machine is in a sleep state the machine will be supplied with power when you turn on its main power switch F 1 9 1 Control panel power switch 2 Main power lamp 3 Main power switch 1 3 2 ...

Page 29: ...hine possesses 2 power switches main power switch and control power switch Normally i e unless the machine is in a sleep state the machine will be supplied with power when you turn on its main power switch F 1 10 1 Control panel power switch 2 Main power lamp 3 Main power switch 1 3 2 ...

Page 30: ...20 4198 During printing or fax data transmission reception F 1 11 Be sure to operate the main power switch while the Processing Data lamp on the control panel is not lit Turning off the main switch during printing or fax data transmission reception can erase the data being processed ...

Page 31: ...Chapter 1 1 11 During downloading F 1 12 Do not turn off the power switch or ON OFF switch on the control panel Turning off the main power switch during downloading can make this machine inoperative ...

Page 32: ...20 4807 During printing or fax data transmission reception F 1 13 Be sure to operate the main power switch while the Processing Data lamp on the control panel is not lit Turning off the main switch during printing or fax data transmission reception can erase the data being processed ...

Page 33: ... During downloading F 1 14 1 2 2 5 Control Panel 0020 4199 Do not turn off the power switch or ON OFF switch on the control panel Turning off the main power switch during downloading can make this machine inoperative ...

Page 34: ...ey 23 Copy Ratio key 9 Numeric keys 24 2 Page Separation key 10 Control Panel Power Switch 25 Image Quality key 11 Additional Functions key 26 Finishing key 12 Stop key 27 Density key 13 Start key 28 Different Size Originals key 14 Main Power Indicator 29 Image Combination key 15 Error Indicator 30 2 Sided key Key names may be different depending on the countries or area of destination Additional ...

Page 35: ...eavy Paper 1 Tray Designation Tray A Copy Off On Printer Off On Other Off On Tray B Copy Off On Printer Off On Other Off On Stand Stack Bypass Off On Paper Size LTR LTRR LGL STMT STMTR EXEC 11 x 17 Custom Size COM10 Monarch DL ISO C5 ISO B5 A4 A4R A3 A5 A5R B4 B5 B5R Paper Type Plain Recycled Color 3 hole punch Bond Heavy Paper 1 Heavy Paper 2 Heavy Paper 3 Transparency Labels Paper Size LTR LTRR ...

Page 36: ... Size Orig AB inch Size group selected Off Same Width Different Width A Size group selected Off On Finishing Collate Rotate Collate Group Rotate Group Offset Collate Offset Group Staple 2 Page Separation Off On Frame Erase Off Org Frame Erase Book Frame Erase Binding Erase Options Sharpness Lowest leftmost to Highest rightmost Middle center Initialize Copy Set Yes No Additional Functions Settings ...

Page 37: ... increments Additional Functions Settings Auto Sleep Time Off On 3 to 30 minutes default settings are 5 min Auto Clear Time Off On 1 to 9 minutes default settings are 2 min Auto Shutdown Time Off On 1 to 8 hours default settings are 4 hr Additional Functions Settings Clean Trans Roller Select Yes or No Drum Cleaning Select Yes or No Fixing Unit Cleaning Select Yes or No Feeder Cleaning Select Yes ...

Page 38: ...tion Dept ID Management Off On Reg Edit Dept ID Department ID Password Limit Settings Erase Page Totals View Page Totals Clear All Totals Print List Allow Unkn ID Print Off On Allow Unkn ID Scan Off On User ID Management Off On Network Settings TCP IP Settings SNMP Settings Ethernet Driver Startup Time Set Remote UI On Off Off On Job Log Display Off On Use USB Device Off On Update Firmware This fu...

Page 39: ...Pv6 On Off Off Stateless Address On Off On IPv6 Settings Manual Address Set Use Manual Address On Off Off Manual Address 39 Characters maximum 0 0 0 0 0 0 0 0 Prefix Length 0 to 128 64 Default Router Addr 39 Characters maximum 0 0 0 0 0 0 0 0 IPv6 Settings Use DHCPv6 On Off Off IPv6 Settings PING Command IPv6 Address 39 Characters maximum 0 0 0 0 0 0 0 0 Host Name 48 Characters maximum NULL IPv6 S...

Page 40: ...public Community Name 2 Community Name NULL Writable SNMP 1 On Off On Writable SNMP 2 On Off Off Print Manage Info On Off On Ethernet Driver Auto Detect On Off On Communication Mode Full Duplex Half Duplex Full Duplex Ethernet Type 10 Base T 100 Base TX Startup Time Settings Startup Time Settings 0 to 300 sec 0 sec No Item Maintenance cycle Remarks 1 Pressure plate cleaning As required 2 Copyboard...

Page 41: ... an ADF is installed clean is document glass small 3 and glass holder 4 in the same manner F 1 17 3 Cleaning the Fixing Pressure Roller If white streaks are seen on the printed paper the fixing pressure roller can be dirty If white streaks are seen on the printed paper clean the fixing pressure roller in the user mode Be sure to clean the fixing pressure roller after replacing the toner bottle 1 P...

Page 42: ...ing menu 3 Press the OK key 4 Using the arrow keys select Drum Cleaning Next press the OK key Cleaning will start 1 2 5 Safety 1 2 5 1 Safety of the Laser Light 0020 4065 Laser light can prove to be hazardous to the human body The machine s laser unit is fully enclosed in a protective housing and external covers so that its light will not escape outside as long as the machine is used normally 1 2 ...

Page 43: ...al made of plastic iron and small amounts of dye Toner on Clothing or Skin 1 If your clothing or skin has come into contact with toner wipe it off with tissue then wash it off with water 2 Do not use warm water which will cause the toner to jell and fuse permanently with the fibers of the cloth 3 Do not bring toner into contact with plastic material It tends to react easily 1 2 5 5 Point to Note a...

Page 44: ...n 600 x 600 dpi Printing resolution 600dpi x 600dpi First print time Book mode 7 9 sec or less Cassette capacity 250sheets 80 g m2 Multifeeder tray capacity 100 sheets 80 g m2 B4 LGL or less 64 g m2 80 sheets 80 g m2 B4 LGL or less 80 g m2 50 sheets B4 LGL or more 64 g m2 80 g m2 50 sheets heavy paper 105 g m2 OHP 10 sheets envelope 1 sheet label Continuous reproduction 1 to 99 sheets Toner type m...

Page 45: ...quipement with Duplex unit approx 46 2 kg Paper size Single sided Casette feed Manual feed Plain paper A4 22 22 A5 23 23 A5R 13 B5 20 20 B5R 12 12 A4R 11 11 B4 9 9 A3 10 10 STMT 15 15 STMTR 13 EXE 21 LTR 22 22 LTRR 11 11 LGL 10 10 LDR 10 10 8K 9 9 16KR 10 10 16K 20 20 Heavy paper 1 2 Heavy paper 3 A4 12 10 12 10 A5 13 11 13 11 A5R 10 7 B5 12 10 12 10 B5R 9 6 9 6 A4R 10 8 10 8 B4 8 6 8 6 A3 8 7 8 7...

Page 46: ...1 2 7 2 Printing Speed iR2420 iR2320series 0020 4192 Bond paper A4 7 7 A5 5 5 A5R 4 B5 6 6 B5R 4 4 A4R 4 4 B4 5 5 A3 5 5 STMT 4 4 STMTR 4 EXE 6 LTR 7 7 LTRR 4 4 LGL 3 3 LDR 5 5 8K 5 5 16KR 3 3 16K 6 6 OHP A4 20 LTR 20 Envelope Monarch 4 COM10 4 ISO B5 4 ISO C5 4 DL 4 Paper size Single sided Casette feed Manual feed Plain paper A4 20 20 A5 23 23 A5R 13 B5 20 20 B5R 12 12 A4R 11 11 B4 9 9 A3 10 10 S...

Page 47: ...ing Speed iR2318series 0020 4209 Heavy paper 1 2 Heavy paper 3 A4 12 10 12 10 A5 13 11 13 11 A5R 10 7 B5 12 10 12 10 B5R 9 6 9 6 A4R 10 8 10 8 B4 8 6 8 6 A3 8 7 8 7 STMT 11 7 11 7 STMTR 9 6 EXE 12 10 LTR 11 10 11 10 LTRR 9 8 9 8 LGL 8 5 8 5 LDR 8 7 8 7 8K 7 5 7 5 16KR 8 6 8 6 16K 12 10 12 10 Bond paper A4 7 7 A5 5 5 A5R 4 B5 6 6 B5R 4 4 A4R 4 4 B4 5 5 A3 5 5 STMT 4 4 STMTR 4 EXE 6 LTR 7 7 LTRR 4 4...

Page 48: ... Heavy paper 3 A4 12 10 12 10 A5 13 11 13 11 A5R 10 7 B5 12 10 12 10 B5R 9 6 9 6 A4R 10 8 10 8 B4 8 6 8 6 A3 8 7 8 7 STMT 11 7 11 7 STMTR 9 6 EXE 12 10 LTR 11 10 11 10 LTRR 9 8 9 8 LGL 8 5 8 5 LDR 8 7 8 7 8K 7 5 7 5 16KR 8 6 8 6 16K 12 10 12 10 Bond paper A4 7 7 A5 5 5 A5R 4 B5 6 6 B5R 4 4 A4R 4 4 B4 5 5 A3 5 5 STMT 4 4 STMTR 4 EXE 6 LTR 7 7 LTRR 4 4 LGL 3 3 LDR 5 5 8K 5 5 16KR 3 3 16K 6 6 OHP A4 ...

Page 49: ...ve copy speed does not change irrespective of whether paper is supplied from the upper lower cassette the manual feed tray or from the cassette feeding module The copy speed may become down when the copies make continuously one minutes or more with the narrow width paper ...

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Page 51: ...Chapter 2 Installation ...

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Page 53: ...ttes 2 16 2 2 5 Attaching the Reversal Trays Only if equipped with duplex unit 2 17 2 2 6 Checking the Image Quality 2 17 2 3 Flow of Accessory Installation 2 19 2 3 1 Flow of Accessary Installation 2 19 2 4 Installing the Heater PCB 2 20 2 4 1 Preparing the parts 2 20 2 4 2 Preparing the Host Machine 2 20 2 4 3 Installing the Heater PCB 2 21 2 4 4 Installing the Heater PCB 2 24 2 5 Installing the...

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Page 55: ... in an area subject to dust or ammonium gas If the area is exposed to direct rays of the sun provide curtains to the window 4 The level of ozone generated by the machine will not affect the health of individuals around it Some however may find its odor unpleasant as while remaining in contact with it for long hours Be sure that the room is well ventilated 5 The floor of the machine must be level s...

Page 56: ...he documentation and CD against the following table 1 3 Names of Parts F 2 4 1 Drum unit 1 3 Cassette size label 1 2 Power cable 1 4 Caution sheet 1 Driver Utility CD ROM User Manual CD ROM Operators manual Users Guide Operators manual Easy Operation Guide 1 Copyboard cover 9 Left door 2 Reader front cover 10 Left cover rear 3 Control panel 11 Reader left cover 4 Delivery tray 12 Reader right cove...

Page 57: ... Power Distribution System in Norway 1 2 Checking the Contents Check to be sure that none of the following contents is missing F 2 5 Check the documentation and CD against the following table 1 3 Names of Parts F 2 6 1 Drum unit 1 4 Cassette size label 1 2 Black toner 1 5 Caution sheet 1 3 Power cable 1 Driver Utility CD ROM User Manual CD ROM Operators manual Users Guide Operators manual Easy Ope...

Page 58: ...Chapter 2 2 4 7 Left cover front 15 Right cover upper 8 Manual feed tray 16 Right cover lower ...

Page 59: ... be connected to IT Power Distribution System in Norway 1 2 Checking the Contents Check to be sure that none of the following contents is missing F 2 7 1 1 cassette model 1 pc 2 cassette model 2 pcs Check the documentation and CD against the following table 1 3 Names of Parts F 2 8 1 Drum unit 1 4 Cassette size label 1 2 1 2 Black toner 1 5 Caution sheet 1 2 1 3 Power cable 1 6 Quality guarantee 1...

Page 60: ...Chapter 2 2 6 6 Cassette 1 14 Rear cover 7 Left cover front 15 Right cover upper 8 Manual feed tray 16 Right cover lower ...

Page 61: ...ing that it would be connected to IT Power Distribution System in Norway 1 2 Checking the Contents Check to be sure that none of the following contents is missing F 2 9 Check the documentation and CD against the following table 1 3 Names of Parts F 2 10 1 Drum unit 1 3 Cassette size label 1 2 Power cable 1 4 Caution sheet 1 Driver Utility CD ROM User Manual CD ROM Operators manual Users Guide Oper...

Page 62: ...Chapter 2 2 8 8 Manual feed tray 16 Right cover lower ...

Page 63: ...ing that it would be connected to IT Power Distribution System in Norway 1 2 Checking the Contents Check to be sure that none of the following contents is missing F 2 11 Check the documentation and CD against the following table 1 3 Names of Parts F 2 12 1 Drum unit 1 3 Cassette size label 1 2 Power cable 1 4 Caution sheet 1 Driver Utility CD ROM User Manual CD ROM Operators manual Users Guide Ope...

Page 64: ...Chapter 2 2 10 8 Manual feed tray 16 Right cover lower ...

Page 65: ...t 46 2 kg Be sure to work in a group of 2 persons when lifting it 1 2 Checking the Contents Check to be sure that none of the following contents is missing F 2 13 1 2 cassette model 2 pcs 1 cassette model 1 pc 2 Only if equipped with duplex unit 1 Drum unit 1 6 Caution lavel 2 1 1 2 Black toner 1 7 China written guarantee 1 3 Power cable 1 8 Service record 1 4 Certificate of China 1 9 Reversal tra...

Page 66: ...Documentation CD ROM Easy Operation Guide Copying Guide Reference Guide 1 Copyboard cover 10 Left door 2 Reader front cover 11 Left cover rear 3 Control panel 12 Reader left cover 4 Delivery tray 13 Reader right cover 5 Front cover 14 Reader rear cover 6 Cassette 1 15 Rear cover 7 Cassette 2 2 16 Cassette rear cover 2 8 Left cover front 17 Right cover upper 9 Manual feed tray 18 Right cover lower ...

Page 67: ...ops F 2 17 3 Open the packaging bag of the new drum unit take the new drum out of it and then remove packing tape F 2 18 4 Holding the protective cover 1 of the new drum unit place the drum unit against the iR body F 2 19 The maximum weight of this machine is approximately 46 2 kg Two or more persons are required to lift the machine 1 1 1 The left door must be opened fully to prevent the drum from...

Page 68: ...020 4256 1 Shake the toner bottle 5 6 times F 2 25 2 Open the front cover 1 F 2 26 3 Insert the toner bottle F 2 27 MEMO The protective cover will not be reused 1 1 2 1 1 If the machine is installed in a low temperature low humidity place the image density may be slightly lower than usual on the first approx 100 sheets printed after installation of the machine When installing the machine in a low ...

Page 69: ...etting using upper lower arrow key and then press the OK key 7 Select Bit Switch 14 using upper lower arrow key and then press the OK key 8 Select 14 1 using upper lower arrow key and then press the OK key 9 Select ON using upper lower arrow key and then press the OK key 10 Close the front cover The machine will run in the developer idling mode for about 1 minute When the machine stops the idling ...

Page 70: ...4 Turn the lever 1 of the paper front guide counterclockwise to release it Slide the paper front guide 2 to fit to the size of the paper to be used and then turn the lever clockwise to lock it F 2 34 5 Turn the paper trailing edge registration plate 1 to the left to remove it Re attach it to fit to the size of the paper to be loaded F 2 35 6 Slide the paper size detection lever 1 to fit to the pap...

Page 71: ...the Image Quality 0020 4259 1 Plug 1 of the power cord into the outlet and then turn on the main power switch 2 Supply of toner will start after the initial rotation After a few minutes supply of toner finishes and the machine stops automatically F 2 42 MEMO Inserting the cassette into the machine with the inner plate locked into the cassette will unlock the inner plate automatically If the inner ...

Page 72: ...lying paper from the cassette or manual feed tray and check the printed image Also perform the following checks Check whether abnormal sound is heard Check the printed images at all preset magnifications Check whether the document is copied normally on the specified number of sheets ...

Page 73: ...ost machine follow the following flow of work so that the work will become effective F 2 43 Cassette feeding module installation Duplex unit installation 1 Additional finisher tray installation Power supply kit installation Inner 2 way tray installation DADF installation Finisher installation Host machine installation 1 Except for the duplex unit standard model ...

Page 74: ...8 2 4 pcs 1 Heater PCB unit 1 pc 2 Heater switch harness 1 pc 3 Cassette heater harness 1 pc 4 Heater control harness 1 pc 5 Clamp 4 pcs 6 Edge saddle small 2 pcs 7 Edge saddle large 1 pc 8 TP screw M3x8 2 pcs 8 7 6 5 1 2 3 4 Before installing make sure the host machine is turned off If it is turned on go through the following 1 Turn off the main power switch 2 Disconnect the power cable from the ...

Page 75: ...1 RS tightening screws M3 x 8 2 2 pcs 6 Using a nipper or the like cut out the face plate 2 used to install a heater switch on the lower right cover 1 F 2 48 2 4 3 Installing the Heater PCB 0020 4265 3 3 1 2 1 2 When detaching the derivery tray be careful not to damage the paper holder 3 MEMO When the Finisher U2 is connected detach the tray unit of finisher refer to the service manual of the Fini...

Page 76: ...addle 2 then connect the header switch harness 1 routed to the front of the host machine to the connector J15 on the power supply PCB through the edge saddle 2 F 2 51 5 Install the three clamps 1 on the back of the host machine 6 Connect the cassette heater harness 2 to the connector J1905 on the heater PCB unit install the reuse band 3 and then pass the harness through the clamps installed in ste...

Page 77: ...through the wire saddle 2 and then connect it to the connector J17 3 on the power supply PCB F 2 54 10 Install the delivery tray RS tightening screws M3 x 8 2pcs 11 Install the upper right cover RS tightening screw M3 x 8 1pc 12 Install the lower right cover RS tightening screws M3 x 8 5pcs 13 Install the rear cover RS tightening screws M3 x 8 4pcs 14 Close the front cover of the host machine When...

Page 78: ...or J15 on the power supply PCB through the edge saddle 2 F 2 57 5 Install the three clamps 1 on the back of the host machine 6 Connect the cassette heater harness 2 to the connector J1905 on the heater PCB unit install the reuse band 3 and then pass the harness through the clamps installed in step 5 F 2 58 7 Install the edge saddle small 1 8 Connect the heater harness 2 to the connector J1902 on t...

Page 79: ...tray RS tightening screws M3 x 8 2pcs 11 Install the upper right cover RS tightening screw M3 x 8 1pc 12 Install the lower right cover RS tightening screws M3 x 8 5pcs 13 Install the rear cover RS tightening screws M3 x 8 4pcs 14 Close the front cover of the host machine When attaching the delivery tray be careful not to damage the full stack sensor and paper holders ...

Page 80: ...ts 0020 4266 1 Prepare the following parts F 2 61 Before installing make sure the heater PCB has been installed 1 Reader heater 2 pcs 2 Heater harness 1 pc 3 Harness guide 1 pc 4 Right heater base 1 pc 5 Heater cover 2 pcs 6 Clamp 6 pcs 7 TP screw M3x6 5 pcs 1 4 5 6 7 2 3 ...

Page 81: ...cover 2 RS tightening screws M3 x 8 1 3 pcs F 2 64 4 Detach the copyboard cover If ADF is equipped open the ADF 5 Detach the small cover 1 Screw 2 1 pc F 2 65 Before installing make sure the host machine is turned off If it is turned on go through the following 1 Turn off the main power switch 2 Disconnect the power cable from the power outlet 3 Disconnect the power cable 1 3 2 1 1 2 1 2 1 2 ...

Page 82: ... 4 pcs F 2 67 9 Disconnect the four connectors 1 from the reader controller PCB 10 Remove the harness from the edge saddle clamp 2 11 Remove the flexible cable holder 3 and then disconnect the two flexi ble cables 4 F 2 68 12 Detach the reader flexible cable cover 1 Screws 2 3 pcs F 2 69 When installing the ADF harness 3 fit the harness band 5 in the groove in the reader rear cover 2 1 4 3 5 2 1 2...

Page 83: ...ough it 17 Connect the heater connector left 5 to the hole 7 of the frame of the reader unit 18 Install the four wire saddles 8 and then pass the heater cable through them 19 Connect the heater harness 2 to the connector J1904 10 on the heater PCB F 2 71 20 Install the reader flexible cable cover at the original position and then perform steps 9 to 11 in reverse to connect the reader flexible cabl...

Page 84: ...he machine with a DADF Follow the appropriate procedure a Machine with a Copyboard Cover 1 Remove the upper left cover 1 of the reader Screws 2 5 pcs F 2 73 2 Remove the blind plate 1 Screws 1 2 cps F 2 74 b Machine with a DADF 1 Remove the stream reading glass holder 2 Screws 1 2 pcs 2 Remove the stream reading glass 3 F 2 75 Installation precautions are as follows Do not touch the top surface of...

Page 85: ...1 pc 3 Install the reader heater 3 on the header base 2 Screw 4 1 pc 4 Install the wire saddle 6 and route the cable 7 5 Connect the connector 5 of the heater F 2 80 Mount the stream reading glass with the notch 1 of the sheet material affixed to the glass is at the front left 1 2 1 2 1 MEMO Though this process mentions the illustration of the model with the document size sensor a process is the s...

Page 86: ...Attach the front cover of the reader Screws 2 pcs 12 Install the copyboard glass 13 Install the right glass holder of the reader Screws 2 pcs 14 Attach the rear left cover of the host machine Screws 3 pcs 15 Attach the upper right cover of the host machine Screw 1 pc 16 Attach the lower right cover of the host machine Screws 5 pcs 17 Attach the rear cover of the host machine Screws 4 pcs Tighten t...

Page 87: ...stalling the cassette heater make sure the heater PCB has been installed No Part name Part number QTY 1 Cassette heater FK2 1088 000 230V 1 pc 2 P tightening screw M4x8 XB4 5400 809 1 pc Before installing make sure the host machine is turned off If it is turned on go through the following 1 Turn off the main power switch 2 Disconnect the power cable from the power outlet 3 Disconnect the power cab...

Page 88: ...hen connecting the cassette heater to the cassette at the second or lower stage F 2 87 6 Attach the rear cover 4 screws 7 Turn on the main power switch of the host machine 8 Turn on the heater switch 1 and make sure that the cassette heater is pow ered F 2 88 When installing the heater for the cassette at the second or lower stage de tach the rear cover of the cassette and follow the procedure men...

Page 89: ...Chapter 2 2 35 ...

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Page 91: ...Chapter 3 Main Controller ...

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Page 93: ...ader entry Image processing 3 4 3 3 4 Compression extension edit processing block 3 5 3 3 5 Printer output Image processing 3 5 3 4 Flow of Image Data 3 6 3 4 1 Image data flow of copy function 3 6 3 4 2 Image data flow of BDL function 3 6 3 5 Parts Replacement Procedure 3 7 3 5 1 Main Controller PCB 3 7 3 5 1 1 Preparation for Removing the image processor PCB 3 7 3 5 1 2 Removing the Image Proces...

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Page 95: ...tion F 3 1 Item Function Image processor PCB System control Memory control Control of printer output image processing Reader image processing Image memory DDR Temporary storage for image data Capacity 64MB Flash ROM To store the system software To keep the user data service data information USB port USB2 0 interfase USB Port DC contoroller PCB Reader Unit Flash ROM ...

Page 96: ... 3 3 Image Processing 3 3 1 Overview of Image flow 0020 4212 The following is the image flow using the function of this equipment Connector Description P101 Power supply connection slot P102 Reader Book connection slot P104 Reader ADF connection slot P106 DC controller PCB connection slot P108 Control panel connection slot P109 USB port CN101 LAN PCB connection slot P106 P101 P104 P102 P108 P109 C...

Page 97: ...Chapter 3 3 3 F 3 3 SEND FAX PullScan E Mail BDL Print PC Original Copy A A A Print output Scan Image data ...

Page 98: ...age sensor F 3 5 DDR Reader controller PCB image memory Temporary strage of program Image Processor PCB DC controller PCB Reader Unit This performs the image processing against the image data read at the reader unit Reader entry image processing area This performs the image processing to output the image to printer Printer output image processing area To the compression expansion edit processing b...

Page 99: ...ng 0020 4216 Image processor PCB executes the image processing against the image data sent from the reader unit F 3 7 Image processor PCB To the printer output image processing block Magnification change Rotation Composition Compression Extention Reader image processing block BDL image processing block DDR Image processor PCB DC controller PCB compression extension edit ...

Page 100: ...e data flow of BDL function 0021 8146 Fllowing is the image data flow when the BDL function is used F 3 9 mage processing block for printer Image processing block for reader Reader unit Image processor PCB Data compression Data rotation Data extention DC controller PCB Row data DDR Image processing block for printe DC controlle Image processor PCB Ethermet BDL DDR ...

Page 101: ...per lower arrow keys on the operation panel select Scanner test 5 Press the OK key 6 Using the upper lower arrow keys on the operation panel select CS Out put Test 7 Press the OK key 8 Select Yes and then press the OK key After completion of the above steps contact sensor output correction will be performed and parameters will be set automatically Read position adjustment Stream reading Only when ...

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Page 103: ...Chapter 4 Original Exposure System ...

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Page 105: ...fication Change in Vertical Scan Direction 4 11 4 3 3 2 Magnification Change in Horizontal Scan Direction 4 11 4 3 4 Detecting the Size of Originals 4 11 4 3 4 1 Outline 4 11 4 3 4 2 Outline of Original Size Detection 4 12 4 3 5 Dirt Sensor Control 4 13 4 3 5 1 Outline 4 13 4 3 6 Image Processing 4 15 4 3 6 1 Outline 4 15 4 3 6 2 CMOS Sensor Drive 4 16 4 3 6 3 CMOS Sensor Output Gain Correction an...

Page 106: ...ode 4 23 4 4 7 2 Removing the Original Sensor Horizontal Scan Direction When the original size detection sensor is equipped for BOOK mode 4 24 4 4 8 Reader Heater option 4 25 4 4 8 1 Removing the Reader Heater Right 4 25 4 4 8 2 Removing the Reader Heater Left When the ADF is not installed 4 25 4 4 8 3 Removing the Reader Heater Left When the ADF is installed 4 26 ...

Page 107: ...rocessor PCB Horizontal scan direction BOOK mode Carriage movement speed change and image processing by image processor PCB 1 ADF mode Original feed speed change and image processing by image processor PCB 1 Lens Rod lens array CMOS sensor Number of lines 1 Number of pixels Total 7488 incl 7176 effective pixels Maximum original scan width 304 mm CIS drive control Drive control by reader motor M401...

Page 108: ...inal feed speed change and image processing by image processor PCB 1 Lens Rod lens array CMOS sensor Number of lines 1 Number of pixels Total 7488 incl 7176 effective pixels Maximum original scan width 304 mm CIS drive control Drive control by reader motor M401 Original size detection 1 BOOK mode Unavailable 2 When ADF is used Width Detection by original width sensor PCB in ADF Length Detection by...

Page 109: ...e original size for all destinations 4 Original sensor 4 SR407 Detects the original size AB INCH AB 5 Original sensor 5 SR408 Detects the original size INCH A 6 Reader motor M401 Pulse motor Controls drive of the carriage 7 Reader heater 1 Prevents condensation inside the original glass 8 Original sensor 1 SR404 Detects the original size AB INCH A INCH AB 9 Original sensor 2 SR405 Detects the orig...

Page 110: ...ng the original size when the copyboard cover angle is 30 deg 2 Reader controller PCB Controls drive of the reader unit and image processing 3 Reader motor M401 Pulse motor Controls drive of the carriage 4 Reader heater 1 Prevents condensation inside the original glass 5 Contact image sensor CIS Uses LEDs for indirect exposure LED Photoconductor 6 CISHP sensor SR401 Photo interrupter Detects the C...

Page 111: ... controller PCB 7 Original sensor horizontal scan direction 8 Original sensor vertical scan direction 9 Contact image sensor 10 Image signal 11 CISHP sensor PS503 12 Copyboard cover open close sensor Front SR403 13 Copyboard cover open close sensor Front SR402 4 1 6 Control System Configuration When the original size detection sensor is not equipped for BOOK mode 0020 4224 J404 J403 J412 J411 J407...

Page 112: ...rive control 5 Reader motor M401 6 Reader controller PCB 7 Contact image sensor 8 Image signal 9 CISHP sensor SR401 10 Copyboard cover open close sensor Front SR403 11 Copyboard cover open close sensor Front SR402 4 1 7 Reader Controller PCB When the original size detection sensor is equipped for BOOK mode 0020 4225 J 4 0 4 J 4 0 3 J 4 1 2 J 4 1 1 J 4 0 6 J 4 0 1 J 4 0 2 J 4 0 8 J 4 0 9 J 4 1 0 J ...

Page 113: ...04 Communicates with the main body printer J405 Connected to the copyboard open close sensor J406 Connected to the contact image sensor CIS HP sensor J407 Connected to the original sensor 1 and original sensor 2 J408 Connected to the contact image sensor CIS J409 Connected to the reader motor J410 Supplies power to the ADF J411 Communicates with the ADF to drive the sensor J412 Communicates with t...

Page 114: ...DF J404 Communicates with the main body printer J405 Connected to the copyboard open close sensor J406 Connected to the contact image sensor CIS HP sensor J407 Unused J408 Connected to the contact image sensor CIS J409 Connected to the reader motor J410 Supplies power to the ADF J411 Communicates with the ADF to drive the sensor J412 Communicates with the ADF to drive the motor J413 Unused J409 J4...

Page 115: ...ovement Main power switch ON SREADY STBY Reader motor M401 LED CISHP sensor SR401 Shading position Shading position Shading position Leading edge of original 1 CIS position check CISHP sensor HP Backward movement Forward movement Start key ON SCRW SCFW STBY STBY Reader motor M401 LED CISHP sensor SR401 Black shading White shading Leading edge of original Shading position Shading position Trailing ...

Page 116: ...or SR403 front SR402 rear signal Detects the open close status of the copyboard cover 4 3 1 2 Reader Motor Control 0020 4232 Original glass reading start position 1 Moves to the start position after black shading white shading 3 Moves to the standby position 2 Original scan Shading position Leading edge of original Trailing edge of original CISHP sensor HP 1 2 3 Forward movement Backward movement ...

Page 117: ...e constant speed 118 mm sec 4 3 2 Contact Image Sensor CIS 4 3 2 1 Outline 0020 4233 Reader controller PCB 3 3V 24V RTP3APWN RTP3BPWN RTP3A RTP3B MO_STANDBY MO_TORQUE 5V J409 B B A A IC2 Motor driver 1 2 3 4 M401 Start position Acceleration Leading edge of original Constant speed Trailing edge of original Stop Movement speed Movement distance 1 2 3 4 1 Acceleration area The motor accelerates to th...

Page 118: ...nt Function LED Illuminates the original Light guide Illuminates the entire image line with the LED light Rod lens array Collects the light reflected by the original CMOS sensor array Receives the light that passed through the rod lens array Light guide Light guide LED CCD LED Rod lens array Light guide LED R G B CMOS sensor array Rod lens array Image read line Original glass LED R G B Scan direct...

Page 119: ...d image processor PCB with the document scanning speed held at 118mm sec b When the ADF is used The document feed speed when the ADF is used is varied between 118 mm sec and 59 mm sec according to the rate of magnification and data is processed using the reader controller PCB and image processor PCB 2 When magnification is varied to 50 through 99 for reduction a In the Book mode Data is processed ...

Page 120: ... deg Original sensor Turns on and original size identification process 1 is performed B5 A4R A4 STMT R LTR R LTR 11 17 LGL B5R Index plate Original sensor 3 B4 A3 AB Configration Inch Configration Original sensor 5 Upper left corner of original Upper left corner of original Vertical scan direction Vertical scan direction Horizontal scan direction Horizontal scan direction Original sensor 1 Origina...

Page 121: ... cover is not closed fully the sensor level change is not detected after lapse of the above time out time F 4 21 Before original size identification processes 1 and 2 are performed the original size is detected with original sensors as follows F 4 22 For Chinese paper the following sizes are detected 8K Equivalent to B4 size 16K Equivalent to B5 size 4 3 5 Dirt Sensor Control 4 3 5 1 Outline 0020 ...

Page 122: ... performed twice at position B If no dust is detected at position B the original is scanned at position B If dust is also detected at position B move to position C and dust detection is performed once at position C If dust is also detected at position C a relevant message is displayed on the operation panel In this case move back to position A and the original is scanned at position A F 4 24 Immed...

Page 123: ...ve pixels Pixel size 32 x 46 9 um Shading correction Shading correction Made for each job Shading adjustment Made in the Service mode Reader controller PCB CMOS sensor drive analog image processing A D conversion and shading correction Stream reading glass Platen roller 0 5mm 0 5mm A B C Lens LED Contact image sensor CIS Reader controller PCB CMOS sensor Analog image processor Digital image proces...

Page 124: ... original is uniform 1 Variation in sensitivity among CMOS sensor pixels 2 Variation in light intensity of rod lens array The machine performs shading correction to even out the CMOS sensor out put There are two types of shading correction shading adjustment performed in the Service mode and shading correction performed for each job 4 3 6 6 Shading Adjustment 0020 4245 The machine measures the den...

Page 125: ...ADF harness Only for the ADF equipped 7 Remove ther reader rear cover 8 Remove the glass retainer 9 Remove the copyboard glass When removing the copyboard glass take care not to touch the following Glass surface Standard white plate Dirt on these parts can show up as white black lines in the image If dirt is found remove it with lint free paper moistened with alcohol 2 3 1 MEMO This machine does n...

Page 126: ...r 1 and one screw 2 to remove the harness guide 3 Remove three screws 4 F 4 36 14 Go to the back of the machine and then disconnect the four connectors 1 from the reader controller PCB 15 Remove the harness from the edge saddle clamp 2 16 Remove the flexible cable holder 3 and then disconnect the two flexi ble cables 4 17 Remove the two screws 5 F 4 37 2 1 1 2 1 4 1 2 3 5 2 1 1 2 4 3 2 5 ...

Page 127: ...mall cover 5 Disconnect the ground cable of the ADF harness Only for the ADF equipped 6 Remove the ADF harness Only for the ADF equipped 7 Remove ther reader rear cover 8 Remove the glass retainer 9 Remove the copyboard glass 10 Remove the cover 1 Screw 2 1 pc F 4 40 11 Disconnect the connectors 1 and then remove the fexlible cable 2 Remove the harness from the edge saddle 3 F 4 41 11 Remove the f...

Page 128: ...d then disconnect the four connectors 1 from the reader controller PCB 15 Remove the harness from the edge saddle clamp 2 16 Remove the flexible cable holder 3 and then disconnect the two flexi ble cables 4 17 Remove the two screws 5 F 4 45 18 Remove the flexible cable guide 1 Screws 2 3 pcs 19 Remove the reader controller PCB 3 together with the mount F 4 46 2 1 4 1 2 3 5 2 1 1 2 4 3 2 5 2 2 1 3 ...

Page 129: ...nsor 2 to the position shown below F 4 49 10 Remove the rear side of the contact sensor 1 from the carriage 11 Disconnect the flexible cable 2 and then remove the contact sensor 1 F 4 50 F 4 51 4 4 4 2 Procedure after Replacing the CIS 0020 4395 After replacing the contact image sensor CIS go through the following steps to perform inter channel output correction 1 Enter the service mode Sequential...

Page 130: ... 4 4 6 Contact Sensor HP Sensor 4 4 6 1 Removing the Contact Sensor HP Sensor When the ADF is not installed 0020 4404 1 Remove the copyboard glass cover 2 Remove the copyboard glass 3 Pull the drive belt front 1 in the direction of the arrow to move he con tact sensor 2 to the center 4 Remove the connector 3 and then remove the contact sensor HP sensor 4 F 4 53 4 4 6 2 Removing the Contact Sensor ...

Page 131: ...ertical Scan Direction When the original size detection sensor is equipped for BOOK mode 0020 4405 1 Open the copyboard glass cover or ADF 2 Remove the copyboard glass 3 Remove the cover 1 Screw 2 1 pc F 4 55 4 Remove the flexible cable 1 from the reader controller PCB F 4 56 5 Remove the cover 1 Screw 2 1 pc F 4 57 6 Pull the drive belt front left direction to move the contact sensor to the left ...

Page 132: ...the reader controller PCB and then re move the harness from the edge saddle 2 5 Remove the original size sensor horizontal scan direction 3 together with them mount Screws 4 2 pcs F 4 62 6 Remove the harness from the edge saddle clamp 1 and then disconnect the connector 7 Remove the original size sensor 2 F 4 63 4 4 8 Reader Heater option 4 4 8 1 Removing the Reader Heater Right 0020 4408 1 Open t...

Page 133: ... 6 Remove the heater cover 1 Screw 2 1 pc F 4 68 7 Remove the reader heater left 1 Connector 2 1 pc Screw 3 1 pc F 4 69 4 4 8 3 Removing the Reader Heater Left When the ADF is installed 0020 4409 1 Open the ADF 2 Remove the reader front cover 3 Remove the glass retainer 4 Remove the ADF reading glass MEMO Illustrations of this procedure are figured the document size sensor equipped model but proce...

Page 134: ...c F 4 70 6 Remove the stream reading glass stay 1 Screws 2 2 pcs 7 Pull the drive belt front 3 in the direction of the arrow to move the contact sensor 4 to the center F 4 71 8 Remove the heater cover 1 Screw 2 1 pc F 4 72 2 1 2 1 4 3 2 1 ...

Page 135: ...9 Remove the reader heater left 1 Connector 2 1 pc Screw 3 1 pc F 4 73 2 3 1 ...

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Page 137: ...Chapter 5 Laser Exposure ...

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Page 139: ...1 1 Laser Emission ON OFF Control 5 4 5 2 1 2 Horizontal Synchronization Control 5 4 5 2 2 Controlling the Intensity of Laser Light 5 4 5 2 2 1 Automatic Photocurrent Control APC 5 4 5 2 3 Controlling the Laser Scanner Motor 5 5 5 2 3 1 Laser Scanner Motor Control 5 5 5 2 4 Controlling the Laser Shutter 5 6 5 2 4 1 Laser Shutter Control 5 6 5 3 Parts Replacement Procedure 5 7 5 3 1 Laser Scanner U...

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Page 141: ...the hexahedral mirror When the hexahedral mirror rotates at a constant speed the photoconductor drum is scanned with laser beams at a constant speed When the photoconductor drum rotates at a constant speed and the photoconductor is scanned with laser beams at a constant speed a latent image is formed on the photoconductor drum 5 1 2 Specifications and Control Mechanism 0020 4076 Laser beam Number ...

Page 142: ... mirror Reflects a laser beam toward laser mirror 2 3 Laser mirror 2 loop back mirror Reflects a laser beam toward the photoconductor drum 4 BD PCB Generates a BD signal 5 Polygonal mirror Scans the photoconductive drum with a laser beam in the main scan direction 6 Laser unit Emits laser beams 7 BD mirror Reflects a laser beam toward the BD PCB 1 2 3 4 5 6 7 ...

Page 143: ...ly by the IC5 on the DC controller PCB Main control types are as follows 1 Laser emission ON OFF control video signal input 2 Horizontal synchronization control 3 Laser scanner motor control 4 Automatic photocurrent control APC F 5 2 4 Image Processor PCB DC Controller PCB J314 J207 J206 J205 IC205 2 3 1 ...

Page 144: ... to the hori zontal synchronization signal BD sent from the BD sensor in the laser scanner The horizontal synchronization signal is also used as a vertical synchronization signal to recognize the leading edge of paper Upon detection of arrival of the fed paper at the prescribed position the DC controller PCB starts sending the BD signal to the image porcessor PCB The image processor PCB recognizes...

Page 145: ...d with reference to the laser scanner motor revolution speed signal FG signal After the target revolution speed is reached the revolution speed is controlled so that the BD cycle and the laser scanner motor revolution cycle are in the same phase The revolution speed of the laser scanner motor is controlled using an acceleration signal ACC signal and deceleration signal DEC signal F 5 3 DC Controll...

Page 146: ...interlocked laser shutter moves down shutting off the laser beam path When opening of the front cover or left door is detected the laser scanner motor and laser outputs turn off F 5 4 Laser shutter control 1 Laser shutter 2 Laser mirror 1 3 Laser mirror 2 4 Polygonal mirror 5 Laser beam 1 2 3 4 5 1 2 3 4 1 2 3 4 5 5 OPEN CLOSE ...

Page 147: ... 3 1 1 Removing the Laser Scanner Unit 0020 4410 1 Remove the rear cover 2 Open the front cover 3 Remove the right cover lower 4 Remove the delivery tray 5 Remove the metal plate 1 and laser scanner unit 2 Sponges 3 2 pcs Connectors 4 3 pcs Screws 5 3 pcs F 5 5 2 4 1 5 3 5 ...

Page 148: ...Chapter 5 5 8 ...

Page 149: ...Chapter 6 Image Formation ...

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Page 151: ...7 Toner Container 6 8 6 7 1 Outline 6 8 6 8 Transfer Unit 6 8 6 8 1 Outline of the Transfer Unit 6 8 6 8 1 1 Outline 6 8 6 8 2 Controlling the Transfer Bias 6 9 6 8 2 1 Transfer Roller Bias Control 6 9 6 8 3 Separation Mechanism 6 9 6 8 3 1 Static Eliminator Bias Control 6 9 6 9 Photosensitive Drum Cleaning 6 10 6 9 1 Outline 6 10 6 9 2 Waste Toner Full Detection 6 10 6 10 Parts Replacement Proced...

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Page 153: ...r charging AC DC ng roller diameter 14mm Transfer charging Charging method Roller charging DC Charging roller diameter 16mm Developing assembly Developing cylinder diameter 20mm Developing method Dry 1 component jumping AC DC Toner 1 component negative toner Remaining toner level detection Remaining toner level sensor in developing assembly Others Separation method Static Eliminator Curvature sepa...

Page 154: ...em 0020 4090 F 6 1 1 Photosensitive drum 2 Cleaner blade 3 Primary charging roller 4 Drum unit 5 Blade 6 Developing assembly 7 Toner bottle 8 Developing cylinder 9 Transfer charging roller 10 Static eliminator Paper transport path 1 10 9 8 7 2 3 4 6 5 Laser beam ...

Page 155: ... block Step 1 Primary charging AC Minus DC Step 2 Laser exposure 2 Developing block Step 3 Developing AC Minus DC bias 3 Transfer block Step 4 Transfer Plus DC Step 5 Separation Minus DC 4 Fixing block Step 6 Fixing Minus DC bias 5 Drum cleaning block Step 7 Drum cleaning F 6 2 7 Drum cleaning 1 Primary charging 2 Laser beam exposure 3 Development 4 Transfer 5 Separation Cassette pickup Manual fee...

Page 156: ... held higher than usual except during image formation To prevent the toner remaining on the photosensitive drum from sticking to the transfer charging roller the transfer roller bias which is lower than that applied during printing the is applied at the prescribed timing F 6 4 1 Between sheets Cleaning bias WAIT STBY Main motor M204 Scanner motor M203 Primary charging AC bias Primary charging DC b...

Page 157: ...e is applied to the transfer charging roller according to the instruction of the CPU on the DC controller PCB The primary DC bias and developing DC bias are changed according to the image density information sent from the image processor PCB thus adjusting the image density A negative DC voltage is applied to the electrostatic discharge needle and fixing film F 6 6 Cleaning bias 1 PRINT LSTR STBY ...

Page 158: ...o apply the voltage generated by superimposing the primary AC bias over the primary DC bias to the primary charging roller The primary AC bias is detected by the primary AC bias current detection circuit and is fed back to the AC generator circuit via the comparison circuit The primary DC bias is detected by the primary DC bias current detection circuit and is fed back to the DC generator circuit ...

Page 159: ...veloping DC bias detection circuit and is fed back to the DC generation circuit via the comparison circuit thus con trolling the DC bias voltage The developing DC bias voltage changes with the primary DC bias voltage according to the image density information sent from the image processor PCB The remaining toner level is detected during warm up rotation and when the developing AC bias is applied f...

Page 160: ... motor to supply toner into the developing assembly through the toner supply port F 6 11 1 Stirring rod 2 Toner bottle lever 3 Toner supply port 6 8 Transfer Unit 6 8 1 Outline of the Transfer Unit 6 8 1 1 Outline 0020 4105 The transfer unit consists of a transfer roller 1 and an static eliminator 2 The transfer roller is driven by the photosensitive drum The static eliminator is biased to separat...

Page 161: ... 1 Static Eliminator Bias Control 0020 4108 Two types of biases a high output bias and a low output bias are applied to the static eliminator using the static eliminator bias drive signal DISDCFOT and static eliminator bias output level signal DSCPWM issued from the DC controller PCB according to the type of the print sequence thus allowing the printing paper to separate easily from the photosensi...

Page 162: ...ew in the drum unit A torque limiter is provided at the end of the waste toner feed screw is provided with a torque limiter When the waste toner box is filled with waste toner the torque limiter goes on to stop the waster toner feed screw As a result the sensor flag of the waster toner full sensor SR206 is pushed intermittently reporting the waste toner full condition to the DC controller PCB F 6 ...

Page 163: ...sembly F 6 19 Rear side Fit the pin 1 seen in the back of the main body in the support hole 2 pro vided at the back of the developing assembly F 6 20 6 10 2 3 Procedure after Replacing the Developing Assembly 0020 4415 Going through the Developer Idling Mode 1 Plug the power cord into the outlet 2 Open the front cover 3 With the front cover open turn on the main power switch 4 When a message appea...

Page 164: ...following the above mentioned procedure 6 10 3 Transfer Charging Roller 6 10 3 1 Removing the Transfer Charging Roller 0020 4416 1 Open the left door 2 Remove the transfer charging roller 1 F 6 21 Do not touch the transfer charging roller surface MEMO The transfer charging roller bearing 1 could be the same shape as the figure below If so detach the transfer charging roller towards the arrow 3 and...

Page 165: ...Chapter 7 Pickup Feeding System ...

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Page 167: ... Duplex Paper Sensor 1 Delay Jam 7 10 7 2 1 4 Duplex Paper Sensor 2 Delay Jam 7 10 7 2 2 Stationary Jams 7 10 7 2 2 1 Stationary Jam in Pickup Assembly 7 10 7 2 2 2 Stationary Jam in Delivery Assembly Paper Trailing Edge Stationary Jam at First Delivery Sensor Stationary Jam at First Delivery Sensor 7 10 7 2 2 3 Duplex Paper Sensor 1 Stationary Jam 7 11 7 2 2 4 Duplex Paper Sensor 2 Stationary Jam...

Page 168: ...nce Absence Sensor 7 20 7 5 10 Manual Feed Pickup Solenoid 7 21 7 5 10 1 Removing the Multifeeder Pickup Solenoid 7 21 7 5 11 Registration Roller 7 21 7 5 11 1 Removing the Registration Roller 7 21 7 5 12 Registration Clutch 7 22 7 5 12 1 Removing the Registration Clutch 7 22 7 5 13 Separation Roller 7 22 7 5 13 1 Removing the Feed and Separation Rollers 7 22 7 5 14 Separation Pad 7 22 7 5 14 1 Re...

Page 169: ... tray Plain paper Large 50Sheets 64g m2 1 Small 100Sheets 64g m2 Large 50Sheets 75g m2 Small 100Sheets 75g m2 Large 50Sheets 80g m2 Small 80Sheets 80g m2 Large 50Sheets 90g m2 Small 50Sheets 90g m2 Thick Paper 50Sheets 105g m2 35Sheets 128g m2 Label sheet 1Sheets OHP 50Sheets Envelope 10Sheets Paper size Setting Cassette Set by user Multi manual feed tray Set by user Delivery option Finisher U2 In...

Page 170: ...tions of main units of the pickup feeding system are shown blow F 7 1 1 Pickup assembly 2 Manual feed pickup assembly 3 Registration roller 4 Transfer assembly 5 Duplex print paper feed assembly option 1 6 Fixing assembly 7 First delivery assembly 8 Second delivery assembly option 1 2 3 4 5 6 7 8 ...

Page 171: ...cations of main units of the pickup feeding system are shown blow F 7 2 1 Pickup assembly 2 Manual feed pickup assembly 3 Registration roller 4 Transfer assembly 5 Duplex print paper feed assembly 6 Fixing assembly 7 First delivery assembly 8 Second delivery assembly option 1 2 3 4 5 6 7 8 ...

Page 172: ...assette pickup roller 3 Feed roller 1 4 Multi pickup roller 5 Registration roller 6 Duplex print paper feed roller 3 7 Transfer roller 8 Fixing roller 9 Duplex print paper feed roller 2 10 Duplex print paper feed roller 1 11 Second delivery roller 12 First delivery roller 7 1 5 Paper Path Drawing Printer on its own 0020 4117 12 11 10 9 4 5 1 7 6 8 2 3 ...

Page 173: ... Manual feed pickup 3 Delivery from copy tray 1 7 1 6 Paper Path Drawing Finisher U2 0020 4118 F 7 5 1 Cassette pickup 2 Manual feed pickup 3 Finisher U2 option 7 1 7 Paper Path Drawing Duplex Unit A1 option Finisher U2 0020 4119 1 3 2 3 2 1 ...

Page 174: ...d option 4 Finisher U2 option 7 1 8 Paper Path Drawing Duplex Unit A1 standard Finisher U2 0020 4957 F 7 7 1 Cassette pickup 2 Manual feed pickup 3 Both sides re paper feed 1 4 Finisher U2 option 1 This comes standard 7 1 9 Paper Path Drawing Duplex A1 option 0020 4120 3 4 2 1 3 4 2 1 ...

Page 175: ...4 Delivery from copy tray 1 7 1 10 Paper Path Drawing Duplex A1 standard 0020 4958 F 7 9 1 Cassette pickup 2 Manual feed pickup 3 Both sides re paper feed 1 4 Delivery from copy tray 1 1 This comes standard 7 1 11 Paper Path Drawing Duplex A1 option Inner 2Way Tray E2 0020 4121 1 3 2 4 1 3 2 4 ...

Page 176: ...des re paper feed option 7 1 12 Paper Path Drawing Duplex A1 standard Inner 2Way Tray E2 0020 4959 F 7 11 1 Cassette pickup 2 Manual feed pickup 3 Delivery from copy tray 1 4 Delivery from copy tray 2 option 5 Both sides re paper feed 1 1 This comes standard 7 1 13 Paper Path Drawing Inner 2Way Tray E2 0020 4122 1 3 2 4 5 1 3 2 4 5 ...

Page 177: ...ding system is shown below F 7 13 1 Cassette 1 paper presence absence sensor SR204 2 Registration sensor SR209 3 Manual feed paper presence absence sensor SR208 4 Duplex print paper sensor 2 SR1003 Option 5 Fixed paper delivery sensor SR202 6 First delivery sensor SR203 7 Duplex print paper sensor 1 SR1002 option 8 Second delivery sensor SR1102 option 7 1 15 Sensor Layout Drawing When the duplex u...

Page 178: ...r within the jam detection time interval after paper pickup started 7 2 1 2 Delay Jam in Delivery Assembly Paper Leading Edge Jam at Delivery Sensor Wound Paper Jam at Fixing Assembly 0020 4130 Paper Leading Edge Jam at First Delivery Sensor The first delivery sensor cannot detect presence of paper within the prescribed time after the registration clutch has been turned on Wound Paper Jam at Fuser...

Page 179: ...detect absence of paper within the prescribed time after the registration sensor has been turned off Stationary Jam at First Delivery Sensor The first delivery sensor cannot detect absence of paper within the prescribed time after it has detected the leading edge of paper 7 2 2 3 Duplex Paper Sensor 1 Stationary Jam 0020 5036 Duplex paper sensor 1 stationary jam This jam occurs when the duplex pri...

Page 180: ...to the delivery tray through the transfer sepa ration fixing and delivery assemblies F 7 15 7 3 2 Cassette Pickup Operation 0020 4135 Rotation of the pickup roller is controlled by the pickup roller drive gear which transfers the drive power of the main motor M204 to the pickup roller drive shaft and the cassette pickup solenoid SL202 When the main motor starts rotating the interlocked relay gear ...

Page 181: ...eed roller shaft gear drive power is transferred to the feed roller shaft gear and consequently the feed roller starts rotating 4 When the pickup roller rotates once the toothless portion of the pickup roller drive gear comes to the position of the relay gear and consequently drive power of the main motor is not transferred stopping the rotation of pickup and feed rollers 5 The picked up paper is ...

Page 182: ...the size of paper Paper size switches are arranged as shown below Paper sizes are determined by the combinations of the switches pushed by the paper size lever F 7 19 ON The push switch is pushed OFF The push switch is not pushed Not used 7 4 Manual Feed Pickup Unit 7 4 1 Overview 0020 4137 A3 A4 A4R A5 B4 B5 B5R LGL 11x17 LTR LTRR STM T U1 U2 U3 PSIZE1 ON OFF ON OFF OFF ON ON OFF ON ON ON ON OFF ...

Page 183: ...ckup roller On the opposite side of the pickup roller is mounted a separation pad that separates only one sheet of paper from others and feeds it to the next section c Manual feed Tray Pickup Drive Mechanism pickup solenoid drive signal MFPD sent from the DC controller PCB Rotation of the main motor drives the pickup drive power transfer gear The DC controller PCB issues a manual feed pickup solen...

Page 184: ... Cassette 7 5 2 1 Removing the First Cassette Unit 0020 4418 MEMO Lifting up of the host machine is necessary in the following work Therefore two or more person should be ready 1 Pull out the first cassette of the machine 2 Pull out the drum unit 3 Detach the left front cover Screw 2 cps 4 Detach the rear cover Screw 4 pcs 5 Detach the left rear cover Screw 3 pcs 6 Detach the left door 7 Detach th...

Page 185: ...he screw 1 on the left side of the machine which fastens the machine and the cassette And then shorten the tip of part A and detach the spring 2 on the drive unit F 7 27 12 Open the left guide 1 and detach the small cover 2 by using a minus screwdriver F 7 28 13 Pull out the connector 1 on the registration sensor and detach the har ness from harness guide 2 F 7 29 14 Lift the machine by holding th...

Page 186: ... 2 Remove the two connecting plates 1 Screw 2 4 pcs F 7 31 3 Remove the rear cover 1 Screw 2 4 pcs F 7 32 4 Remove the cassette rear cover 1 Screws 2 2 pcs F 7 33 5 Remove the two connecting plates 1 Screws 2 4 pcs F 7 34 6 Remove the harness 1 from harness guide 2 Connector 3 1 pc F 7 35 7 Remove ground wire 1 from harness guide 2 Screw 3 1 pc F 7 36 2 2 1 1 2 2 1 1 1 2 2 3 1 2 1 3 2 ...

Page 187: ...oving the Paper Size Detection Switches 0020 4422 1 Remove the paper size switches 1 Screw 2 1 pc F 7 39 7 5 5 Cassette Retry Paper Sensor 7 5 5 1 Removing the Retry Sensor 0020 4423 1 Remove the lower left cover 2 Remove the cassette rear cover 3 Remove the cassette pickup assembly 4 Remove the retry sensor 1 Connector 2 1 pc F 7 40 7 5 6 Cassette Paper Sensor 7 5 6 1 Removing the Cassette Paper ...

Page 188: ...ont cover 2 Turn the developer pressure release lever clockwise and then open the left door 3 Draw out the drum unit 4 Remove the transfer registration unit 1 Screw 2 4 pcs F 7 43 5 Remove the feed guide 1 Screw 2 2 pcs F 7 44 6 Remove the multi paper roller 1 Bearing 1 1 pc F 7 45 7 5 9 Manual Feed Tray paper sensor 7 5 9 1 Removing the Multifeeder Paper Presence Absence Sensor 0020 4433 1 Open t...

Page 189: ... Manual Feed Pickup Solenoid 7 5 10 1 Removing the Multifeeder Pickup Solenoid 0020 4436 1 Open the front cover 2 Turn the developer pressure release lever clockwise and then open the left door 3 Draw out the drum unit 4 Remove the transfer registration unit 1 Screw 2 4 pcs F 7 49 5 Remove the feed guide 1 Screw 2 2 pcs F 7 50 6 Remove the multifeeder connector cover 1 Connectors 2 3 pcs F 7 51 2 ...

Page 190: ...he left door 3 Draw out the drum unit 4 Remove the two metal plates 1 and remove the registration roller 2 Screws 3 2 pcs F 7 54 7 5 12 Registration Clutch 7 5 12 1 Removing the Registration Clutch 0020 4440 1 Remove the rear cover 2 Disconnect the connector 1 and then remove the harness from the three wire saddles 2 3 Remove the resin ring 3 and then remove the registration clutch 4 F 7 55 7 5 13...

Page 191: ... 5 14 1 Removing the Separation Pad 0020 4443 1 Open the front cover 2 Turn the developer pressure release lever clockwise and then open the left door 3 Draw out the drum unit 4 Remove the transfer registration unit 1 Screw 2 4 pcs F 7 57 5 Remove the feed guide 1 Screw 2 2 pcs F 7 58 6 Remove the multi paper roller 7 I use a minus screwdriver and remove separation pad 1 F 7 59 3 1 2 2 2 1 2 1 1 ...

Page 192: ...Chapter 7 7 24 ...

Page 193: ...Chapter 8 Fixing System ...

Page 194: ......

Page 195: ...ling the Fixing Film Temperature 8 3 8 2 2 3 Target Temperatures by Mode 8 3 8 2 3 Detecting the Passage of Paper 8 4 8 2 3 1 Detecting the Passage of Paper 8 4 8 3 Parts Replacement Procedure 8 5 8 3 1 Fixing Unit 8 5 8 3 1 1 Removing the Fixing Unit 8 5 8 3 2 Pressure Roller 8 6 8 3 2 1 Removing the Pressure Roller 8 6 8 3 3 Fixing Film 8 7 8 3 3 1 Removing the Fixing Film Unit 8 7 8 3 4 Fixing ...

Page 196: ......

Page 197: ...detection 2 Sub thermistor TH2 Fault detection 3 Thermo switch TP1 Fault detection Fixing temperature control 1 Warm up temperature control 2 Normal temperature control 3 Sheet to sheet temperature control Protection functions 1 Detection of error in temperature control by thermistor 2 Detection of temperature rise by thermo switch Fixing drive control Speed control by detecting fixing film rotati...

Page 198: ... cycle of each rotation excluding the initial rotation and post rotation of the fixing drive motor starts when 1 second lapses after the motor starts rotating and ends when the trailing edge of the last sheet has passed through the fixing nipper F 8 3 1 Film rotation detection signal FILM_SENS Set to 1 and 0 alternately when the fixing film is rotating 2 Rotation cycle measurement mark 1 Fixing fi...

Page 199: ...her than 275 deg C the sheet to sheet distance is increased to prevent the paper absent section temperature from rising If the sub thermistor detects a temperature equal to or lower than 220 deg C in the down sequence normal control resumes 5 Cooling mode If printing is performed using wider sheets 1 after printing is performed using narrower sheets in the continuous print mode fixing offset may o...

Page 200: ...r 0020 4155 The paper passage detection mechanism of the fixing unit is shown below F 8 4 If a delay jam is detected by the fixing delivery sensor SR202 the fixing motor is stopped immediately to prevent paper from winding around the fixing roller EXP_P_SNS J217 12 SR502 DC Controller PCB ...

Page 201: ...e the earth wire 3 Screw 4 1 pc F 8 5 5 Remove the screw 1 securing the door support band Remove the con nector 2 and reusable band 3 and release the duplex unit harness from the wire saddle 4 F 8 6 6 Open the left door until it sops and pull out the hinge shaft 1 F 8 7 7 Lift the left door with both hands to release it from the door rotation shaft 1 and then remove the left door F 8 8 8 Detach th...

Page 202: ...s F 8 12 8 3 2 Pressure Roller 8 3 2 1 Removing the Pressure Roller 0020 4447 1 Remove the fixing unit 2 Remove the fixing film unit 3 Raise the claw 1 of the fixing unit inlet guide and remove the slide the fixing unit inlet guide 2 by sliding it in the direction of the arrow F 8 13 4 Remove the pressure roller 3 E ring 1 1 pc Gear 2 1 pc F 8 14 3 2 1 2 1 2 3 2 1 When installing the pressure roll...

Page 203: ...pc F 8 17 5 Remove the right side stay 2 and left side stay 3 Screw 1 2 pcs F 8 18 6 Disconnect the connector 1 and release the fixing DC harness 2 from the harness guide 3 Unhook the claw 4 and remove the sensor holder 5 Screw 6 2 pcs F 8 19 When installing the fixing pressure release lever check that the rib 3 of the lever is inside the pressure block 4 2 1 4 3 1 2 1 2 When installing the electr...

Page 204: ...fixing unit AC harness F 8 20 8 Remove the roller guide unit 1 Screw 2 2 pcs F 8 21 9 Release the pressure plates 1 Screw 2 2 pcs F 8 22 10 After rotating the pressure plates 1 to release them from the fixing film unit remove the fixing film unit 2 F 8 23 1 2 2 1 2 1 2 1 2 1 1 ...

Page 205: ...rew 1 1 pc F 8 26 5 Remove the right side stay 2 and left side stay 3 Screws 1 2 pcs F 8 27 6 Disconnect the connector 1 and release the fixing DC harness 2 from the harness guide 3 Unhook the claw 4 and remove the sensor holder 5 Screws 6 2 pcs F 8 28 7 Release the four sensor claws 1 and then remove the fixing delivery sen sor 2 F 8 29 When installing the fixing pressure release lever check that...

Page 206: ...oving the Fixing Film Sensor 0020 4451 1 Remove the fixing unit 2 Disconnect the connector 1 release the two hooks 2 and then remove the film sensor 3 F 8 30 When installing the electrode plate 1 place it under the three claws 2 as shown below 2 1 1 2 3 ...

Page 207: ...Chapter 9 External and Controls ...

Page 208: ......

Page 209: ...ing the Lower left Cover 9 7 9 4 1 6 Left Cover Rear 9 8 9 4 1 6 1 Removing the Left Cover Rear 9 8 9 4 1 7 Reader Front Cover 9 8 9 4 1 7 1 Removing the Reader Front Cover 9 8 9 4 1 8 Reader Rear Cover 9 8 9 4 1 8 1 Removing the Reader Rear Cover 9 8 9 4 2 Main Drive Assembly 9 9 9 4 2 1 Removing the Main Drive Unit 9 9 9 4 3 Fixing Drive Assembly 9 10 9 4 3 1 Removing the Fixing Drive Unit 9 10 ...

Page 210: ...Contents 9 4 10 1 Removing the Fixing Unit Drive Motor 9 17 9 4 11 Left Door 9 17 9 4 11 1 Removing the Left Door Non Duplex Unit Type 9 17 9 4 11 2 Removing the Left Door With Duplex Unit Type 9 18 ...

Page 211: ...9 2 9 2 2 Fan Control 0020 4162 The fan motor control circuit is shown below F 9 3 Switching between full speed rotation and half speed rotation is controlled as described below 1 Full speed control When the CPU on the DC controller outputs a fan full speed signal FAN_FULL the fan drive voltage switching circuit supplies a 24 V fan drive voltage to turn ASIC LED LCD Key SW Image Processor PCB Cntr...

Page 212: ...n body fan error When the cooling fan of the main body starts the fan lock detection signal FAN_LOCK has been held at the H level for longer than the prescribed time 9 3 Power Supply System 9 3 1 Power Supply 9 3 1 1 Outline When the duplex unit is not equipped 0020 4163 INTR STBY WMUPR Half speed 16V Full speed 24V PRINT PRINT LSTR 30sec STBY Heat Discharge Fan FM1 Registration sensor SR209 Fixin...

Page 213: ... 9 3 1 2 Outline When the duplex unit is equipped 0020 5105 Part Name Function Power supply PCB Generates DC power from AC power Option power supply PCB option Generates DC power from AC power for the options Main power switch SW1 Supplies AC power to the power supply PCB Front cover switch SW2 Detects opening closing of the front cover and cuts off 24 VR Left door switch SW3 Detects opening closi...

Page 214: ...6 9 3 1 3 Outline When the duplex unit is not equipped 0028 6587 Part Name Function Power supply PCB Generates DC power from AC power Option power supply PCB option Generates DC power from AC power for the options Main power switch SW1 Supplies AC power to the power supply PCB Front cover switch SW2 Detects opening closing of the front cover and cuts off 24 VR Left door switch SW3 Detects opening ...

Page 215: ...the duplex unit is equipped 0028 6591 Part Name Function Power supply PCB Generates DC power from AC power Option power supply PCB option Generates DC power from AC power for the options Main power switch SW1 Supplies AC power to the power supply PCB Front cover switch SW2 Detects opening closing of the front cover and cuts off 24 VR Left door switch SW3 Detects opening closing of the left door an...

Page 216: ... with the load and then turn on the main power switch Further the power supply circuit has two fuses which blow to stop power supply when an excessive current flows in the AC line Part Name Function Power supply PCB Generates DC power from AC power Option power supply PCB option Generates DC power from AC power for the options Main power switch SW1 Supplies AC power to the power supply PCB Front c...

Page 217: ...and then detach the right cover lower 3 Screws 4 5 pcs F 9 10 9 4 1 3 Right Cover Upper 9 4 1 3 1 Removing the Right Cover Upper 0020 4461 1 Remove the rear cover 2 Open the front cover 3 Remove the right cover lower 4 Remove the right cover upper 1 Screw 2 1 pc F 9 11 9 4 1 4 Rear Cover 9 4 1 4 1 Removing the Rear Cover 0020 4464 1 Remove the rear cover 1 Screws 2 4 pcs F 9 12 9 4 1 5 Left Cover ...

Page 218: ...over 0020 4468 1 Remove the rear cover 2 Open the front cover 3 Remove the right cover lower 4 Remove the right cover upper 5 Remove the left cover rear 6 Open the copyboard cover or ADF 7 Remove the small cover 1 Screw 2 1 pc F 9 16 8 Disconnect the ground cable 1 of the ADF harness Only for ADF equipped Screw 2 1 pc 9 Remove the ADF harness 3 Only for ADF equipped Connectors 4 4 pcs F 9 17 10 Re...

Page 219: ...egistration clutch 8 Open the left door fully 9 Remove the gear unit 1 and gear 2 E ring 3 1 pc F 9 19 10 Pull out the handle 1 at the back of the machine remove the screw 2 and then remove the stopper 3 F 9 20 11 Remove the harness 1 from the wire saddle 2 Connectors 3 2 pcs F 9 21 12 Remove the handle unit 1 Screws 2 3 pcs F 9 22 13 Release the gear stopper 1 from the shaft and then remove the g...

Page 220: ...ow F 9 25 8 Release the gear stopper 1 and then remove the gear 2 F 9 26 9 Remove the fixing drive unit 1 Connector 2 1 pc Screws 3 4 pcs F 9 27 9 4 4 Power Supply Unit 9 4 4 1 Removing the Main Power Supply PCB 0020 4477 1 Remove the rear cover 2 Remove the right cover lower 3 Remove the delivery tray 4 Remove the power supply PCB 1 Connectors 2 7 pcs Screws 3 6 pcs F 9 28 F 9 29 Since the gears ...

Page 221: ... 2 Removing the Main Power Supply PCB 0028 6758 1 Remove the rear cover 2 Remove the right cover lower 3 Remove the delivery tray 4 Remove the power supply PCB 1 Connectors 2 8 pcs Screws 3 6 pcs F 9 30 F 9 31 2 3 3 3 1 3 ...

Page 222: ... guide 2 1 pc Connector 3 1 pc F 9 33 9 4 6 DC Controller PCB 9 4 6 1 Removing the DC Controller PCB 0020 4479 1 Remove the rear cover 2 Remove the DC controller PCB 1 Connectors 2 16 pcs Screws 3 4 pcs F 9 34 9 4 6 2 Removing the DC Controller PCB 0028 6648 1 Remove the rear cover 2 Remove the DC controller PCB 1 Connectors 2 18 pcs Screws 3 4 pcs F 9 35 9 4 7 Option Power Supply PCB 9 4 7 1 Remo...

Page 223: ...ove the right cover lower 3 Remove the delivery tray 4 Disconnect the connector J16 1 on the power supply PCB F 9 36 5 Disconnect the connector J53 1 on the power supply PCB 6 Remove the option power supply PCB 2 Screws 3 3 pcs F 9 37 1 3 1 3 3 2 ...

Page 224: ...Remove the rear cover 2 Remove the right cover lower 3 Remove the delivery tray 4 Disconnect the connector J16 1 on the power supply PCB F 9 38 5 Disconnect the connector J53 1 on the power supply PCB 6 Remove the option power supply PCB 2 Screws 3 3 pcs F 9 39 1 3 1 3 3 2 ...

Page 225: ...4 9 1 Removing the Fan Filter Non Duplex Unit 0020 4482 1 Open the left door until it stops 2 Remove the transfer registration unit 1 Screws 2 4 pcs F 9 41 3 Disconnect the connector 1 and then release the harness from the wire saddle 2 F 9 42 4 Remove the duct 1 Screws 2 2 pcs F 9 43 5 Remove the fan filter 1 from the duct F 9 44 When installing the HVT PCB check that the contacts on the high vol...

Page 226: ...ove the reusable band 5 from the duplex unit harness at the rear left of the main body and then return the duplex unit harness 6 to the left door side F 9 45 7 Rremove the transfer registration unit 1 Screws 2 4 pcs F 9 46 8 Remove the duplex unit 1 from the left door Screws 2 6 pcs F 9 47 9 Disconnect the connector 1 and then release the harness from the wire saddle 2 F 9 48 10 Remove the fixing ...

Page 227: ...11 1 Removing the Left Door Non Duplex Unit Type 0020 4488 1 Draw out the drum unit 2 Remove the rear cover 3 Remove the left cover rear 4 Release the duplex unit harness 1 Screw 2 1 pc Connector 3 1 pc Reusable band 4 1 pc Wire saddle 5 1 pc F 9 51 5 Open the left door until it sops and pull out the hinge shaft 1 F 9 52 6 Lift the left door with both hands to release it from the door rotation sha...

Page 228: ...ness at the rear left of the main body and then return the duplex unit harness 6 to the left door side F 9 54 7 Release the duplex unit harness 1 Screw 2 1 pc Connector 3 1 pc Reusable band 4 1 pc Wire saddle 5 1 pc F 9 55 8 Open the left door until it sops and pull out the hinge shaft 1 F 9 56 9 Lift the left door with both hands to release it from the door rotation shaft 1 and then remove the le...

Page 229: ...Chapter 10 Maintenance and Inspection ...

Page 230: ......

Page 231: ... 1 10 1 1 Overview 10 1 10 1 2 Reader Unit 10 1 10 1 3 Printer Unit 10 1 10 2 Durables and Consumables 10 1 10 2 1 Overview 10 1 10 2 2 Reader Unit 10 1 10 2 3 Printer Unit 10 2 10 3 Scheduled Servicing Basic Procedure 10 2 10 3 1 Scheduled Servicing 10 2 ...

Page 232: ......

Page 233: ... does not have parts that require periodical replacement 10 1 3 Printer Unit 0020 4277 The printer unit does not have parts that require periodical replacement 10 2 Durables and Consumables 10 2 1 Overview 0020 4278 The machine has parts that may require replacement once or more during the period of product warranty because of wear or damage Replace them as needed by referring to their indicated e...

Page 234: ...1 100K The 2 stage cassette type uses two rollers 2 Cassette separation roller FF6 1621 1 100K The 2 stage cassette type uses two rollers 3 Manual feed pickup roller FL2 3202 1 150K 4 Manual feed separation pad FL2 3201 1 150K 5 Devrloping unit FM3 3671 1 150K 6 Transfer roller FC6 4313 1 150K 7 Fixing unit 120V FM2 3345 1 150K Fixing unit 230V FM2 3352 1 150K The value is the mean value collected...

Page 235: ...Chapter 11 Standards and Adjustments ...

Page 236: ......

Page 237: ... 11 1 11 1 1 Procedure after Replacing the CIS 11 1 11 2 Image Formation System 11 1 11 2 1 Procedure after Replacing the Developing Assembly 11 1 11 3 Electrical Components 11 1 11 3 1 Procedure after Replacing the Image Processor PCB 11 1 ...

Page 238: ......

Page 239: ...e machine stops the idling mode ends Install the toner cartridge following the above mentioned procedure 11 3 Electrical Components 11 3 1 Procedure after Replacing the Image Processor PCB 0020 4284 If you have replaced the image processor PCB with a new one perform the following operations Using the user support tool download the latest firmware System Boot Input the all value printed on the serv...

Page 240: ...Chapter 11 11 2 ...

Page 241: ...Chapter 12 Correcting Faulty Images ...

Page 242: ......

Page 243: ... 3 12 2 Outline of Electrical Components 12 3 12 2 1 Clutch Solenoid 12 3 12 2 1 1 List of Clutches Solenoids 12 3 12 2 2 Motor 12 4 12 2 2 1 List of Motors 12 4 12 2 3 Fan 12 5 12 2 3 1 List of Fans 12 5 12 2 4 Sensor 12 5 12 2 4 1 List of Sensors 12 5 12 2 5 Switch 12 7 12 2 5 1 List of Switches 12 7 12 2 6 Lamps Heaters and Others 12 7 12 2 6 1 List of Lamps Heaters and Others 12 7 12 2 7 PCBs ...

Page 244: ......

Page 245: ...ken Check whether the thermo switch is conductive Paper transport Check whether the paper transport path is free from foreign objects such as paper chips Check whether the paper pickup feed and separation rollers are free from paper dust Also check whether these rollers are free from wear scratches dirt and deformation Check whether the registration roller and paper path are free from wear scratch...

Page 246: ...Chapter 12 12 2 Check the power cables and signal cables of options are connected properly Check whether no fuse on PCBs is blown Check whether the user uses the machine properly ...

Page 247: ...t open the package containing a toner cartridge developing unit or drum unit right after it has been brought in from a cold to warm place to avoid condensation Be sure to leave it alone for a while 1 to 2 hr opening it after it has become fully used to the temperature of the site 12 2 Outline of Electrical Components 12 2 1 Clutch Solenoid 12 2 1 1 List of Clutches Solenoids 0020 4292 Reader Unit ...

Page 248: ... Unit F 12 2 Printer Unit F 12 3 Symbol Name Function M401 Reader motor Drives the carriage Symbol Name Function M201 Fixing motor Drives the fixing unit M203 Polygon motor Drives the laser scanner M204 Main motor Drives the main parts of the printer M401 M204 M201 M203 ...

Page 249: ... cover open closed sensor rear Detects opening closing of the copyboard cover SR403 Copyboard cover open closed sensor front Detects opening closing of the copyboard cover SR404 Original sensor 1 Detects the original size AB INCH A or INCH AB SR405 Original sensor 2 Detects the original size AB A or INCH AB SR406 Original sensor 3 Detects the original size all destinations SR407 Original sensor 4 ...

Page 250: ...aste toner full status SR207 No 1 paper full sensor Detects the No 1 paper full status SR208 Manual paper sensor Detects presence absence of manually fed paper SR209 Registration sensor Detects registration paper TH1 Fixing main thermistor Detects the fixing heater temperature TH2 Fixing sub thermistor Detects the fixing heater temperature TP1 Thermo switch Cuts off the heater power supply line wh...

Page 251: ...F 12 8 Symbol Name Function SW2 Front cover switch Detects opening closing of the front cover SW3 Left door switch Detects opening closing of the left door SW4 Cassette 1 size detection switch Detects the cassette 1 paper size Symbol Name Part No Function H3 Reader heater left NPN Prevents dew condensation on the ADF reading glass H4 Reader heater right NPN Prevents dew condensation on the copyboa...

Page 252: ...H1 Fixing main heater Used as the main heater for fixing H2 Fixing sub heater Used as the sub heater for fixing H6 Cassette heater Prevents paper in the cassette from absorbing moisture VA1 Varistor Used as a varistor Symbol Name Part No Function 1 Reader controller PCB FM4 0660 controls the reader unit ADF H1 H2 H6 VA1 1 ...

Page 253: ...7 iR2320J FM4 9837 iR2422L iR2422D iR2422N iR2422 FM4 9838 iR2420L iR2420P iR2420 controls the printer unit option 5 Option power supply PCB FK2 1085 120V FK2 1086 230V Option power supply 6 Heater PCB FM2 4021 heater power switch 7 Operation panel PCB FM4 0029 controls the operation panel 8 Power supply PCB FK2 8103 120V EQL ERB HVZ HWQ FK2 8101 230V EQM EQU EQV GUQ GUR HWA HWB HWJ HWG HWM HWH HW...

Page 254: ...Chapter 12 12 10 F 12 12 12 2 7 2 List of PCBs 0028 6719 Reader Unit F 12 13 Symbol Name Part No Function 1 Reader controller PCB FM1 A798 controls the reader unit ADF 7 8 9 1 ...

Page 255: ... output image data for the printer unit 4 DC controller PCB FM4 9837 iR2422 FM4 9838 iR2420 controls the printer unit option 5 Option power supply PCB FK2 1086 230V Option power supply 6 Heater PCB FM2 4021 heater power switch 7 Operation panel PCB FM4 0029 controls the operation panel 8 Power supply PCB FK4 0056 230V PKP PHW printer power supply 9 HVT PCB FM3 5746 high voltage power supply 1 2 3 ...

Page 256: ......

Page 257: ...Chapter 13 Self Diagnosis ...

Page 258: ......

Page 259: ... Code Details 13 2 13 3 Jam Code 13 4 13 3 1 Jam Codes Related to Printer Unit 13 4 13 3 2 Jam Codes Related to Finisher 13 4 13 3 3 Jam Codes Related to ADF 13 5 13 3 4 Jam Codes Related to Duplex Unit 13 5 13 3 5 Jam Codes Related to Inner 2 way Tray 13 5 13 4 Finisher Error Codes 13 6 13 4 1 Error Code Details 13 6 ...

Page 260: ......

Page 261: ...or E100 0000 BD cycle out of range E261 0000 Zero cross signal error E500 0001 Finisher communication error 0002 No 1 paper full sensor SR207 connect error 0003 No 2 paper full sensor SR1101 connect error E520 0000 Offset error E531 0000 Stapling error E540 0001 Paper surface not detected standard tray 0002 Not moved within the specified time standard tray 0003 Sensor not reached within 3 seconds ...

Page 262: ...cified value it does not reach the specified value during initial rotation Check the connector of the fixing film unit Replace the fixing film unit Replace the DC controller PCB E007 0000 Fixing film sensor failure The fixing film sensor is faulty Check the connector of the fixing film sensor Replace the fixing film sensor Replace the DC controller PCB E010 0000 Main motor failure The main motor i...

Page 263: ...t startup Replace the DC controller PCB or image processor PCB E805 0000 Fan failure The fan is faulty Check the fan connector Replace the fan Replace the DC controller PCB E808 0000 Fixing drive circuit failure The heater does not turn on A fixing drive motor failure was detected Check the connector of the fixing film unit Replace the fixing film unit Replace the fixing drive motor Replace the DC...

Page 264: ...ivery sensor cannot detect absence of paper within the specified time after the sensor detected the leading edge of paper The No 1 delivery sensor cannot detect absence of paper within the specified time after the sensor detected the leading edge of paper 0214 Stationary jam in machine SR202 SR203 SR209 Paper was detected in the paper transport path during initial rotation during automatic deliver...

Page 265: ...operation of the drive system 000f User ADF open sensor of the reader unit The ADF was opened during operation of the drive system 0010 Pickup NG The registration sensor has been held off since paper pickup started Code Name Sensor No Description 0120 Delay jam at duplex paper sensor 1 SR1002 The duplex paper sensor 1 does not turn on within the specified time after the delivery sensor on the main...

Page 266: ...R1101 E520 0000 Offset motor or finisher controller PCB failure Offset HP sensor failure The offset motor was driven for 1000 ms in the HP sensor approach direction but the offset HP sensor did not turn on The offset motor was driven for 1000 ms in the HP sensor escape direction but the offset HP sensor did not turn off Check the connector of the offset HP sensor Check the connector of the offset ...

Page 267: ... tray shift motor Replace the finisher controller PCB 0003 Standard tray shift motor or finisher controller PCB failure Standard tray HP sensor failure Standard tray clock sensor failure Standard tray shift motor load failure The standard tray was operated but it did not reach the sensor within 300 ms Check the connector of the standard tray HP sensor Check the connector of the standard tray clock...

Page 268: ...ler PCB failure Optional tray HP sensor failure Optional tray clock sensor failure Optional tray shift motor load failure The encoder clock signal was not detected two or more times when the optional tray was operated for 300 ms Check the connector of the optional tray HP sensor Check the connector of the optional tray clock sensor Check the connector of the optional tray shift motor Replace the o...

Page 269: ...Chapter 14 Service Mode ...

Page 270: ......

Page 271: ...6 14 4 3 Print Position 14 6 14 5 Counter 14 6 14 5 1 Outline 14 6 14 6 Display 14 7 14 6 1 Version Display 14 7 14 6 2 Error Code Display 14 7 14 7 Report 14 7 14 7 1 Outline 14 7 14 7 2 Service Data List 14 9 14 7 3 Service Label 14 9 14 7 4 Error Log Report 14 9 14 8 Clear Data 14 10 14 8 1 Outline 14 10 14 9 Test 14 11 14 9 1 Outline 14 11 14 9 2 DRAM Test 14 11 14 9 3 Scanner Test 14 11 14 9 ...

Page 272: ......

Page 273: ...estimates for maintenance parts replacement Display Displays ROM information such as version numbers and an error code is displayed when a service error has occurred Report Use it to generate reports on various service data Clear Data Use it to reset various data to initial settings Test Makes various status checks such as contact sensor sensor and print status 14 1 2 Using the Service Mode 0022 9...

Page 274: ...perator call Other country region Service call Operator call Service call Waste toner full display setting Adjust CISPosition Adjust Shading Position 22 6 to 48 one unit 0 1mm Distance from the standby position of CIS to the shading start point Sheet Position 385 300 to 450 one unit 0 1mm CIS scan position during ADF scanning Reading Adjust Book Main Regist 35 0 to 70 one unit 0 1mm Vertical scan ...

Page 275: ...anagement Page Totals menu PWD Clear Clears the system administrator s password All Clear Clears user and service data except for some scan parameters and the user data System Settings Dept ID Management Page Totals menu Test DRAM Test Checks to see if data can be correctly written to and read from DRAM Scanner Test CS Output Test Execute CS output compensation CS Position Test CS moves to ADF rea...

Page 276: ...s to keep it from exceeding a predetermined level during printing Detailed Discussions of BitSW14 1 Select whether to enable or disable developing assembly idling mode Select On to drive the main motor for a specified period of time to apply idling and devel oping bias AC DC to prevent the thinning of the image density when the unit is installed or the developing unit is replaced in a low temperat...

Page 277: ... stuck delivered sheets occurring with paper picked from cassette 3 Fuser temp Tray4 Lower the fixing temperature from the target temperature setting to reduce the chances of fixing offsets and curled or stuck delivered sheets occurring with paper picked from cassette 4 Film Speed Bypass Change the fixing film speed to reduce the chances of streaks appearing in the trailing edge of images caused b...

Page 278: ... direction This menu is used to adjust the ADF feed motor speed If you changed the adjustment value in this mode the adjustment value selected for ADF Motor Zoom must also be incremented decremented by the same amount ADF Motor Zoom This menu is used to adjust the ADF pickup motor speed If you have adjusted the ADF feed motor speed by selecting ADF Sub Zoom the ADF pickup motor speed must also be ...

Page 279: ...te 3 jam counter C4 Cassette 4 jam counter MF Manual feed tray pickup total counter Feeder Counter FEED Feeder pickup total counter DFOP CNT ADF open close hinge counter Jam Counter TTL Unit total jam count FEEDER Feeder total jam count SORTER Finisher total jam count 2 SIDE Duplex unit jam counter MF Manual feed tray jam counter C1 Cassette 1 jam counter C2 Cassette 2 jam counter C3 Cassette 3 ja...

Page 280: ...4 14 8 Item Explanation Service Data List Service data list output Service Label Output of an entry format for the service label affixed to the rear cover as shipped Error Log Report Jam and error history output ...

Page 281: ...n ADJUST Reading Adjust Def 1 2 3 Def 1 2 3 TOP B 50 BOOK M R 35 TOP T 50 BOOK S R 115 TOP D 50 BOOK M Z 16 Left B 100 BOOK S Z 16 Left T1 100 ADF M R 35 Left T2 100 ADF S R D 220 Left T3 100 ADF S R C 24 Left T4 100 ADF M Z 16 Left D 100 ADF S Z 16 ADF MO Z 16 SCAN X 8273 SCAN Y 8737 ADJUST CIS Position Adjust SCAN Z 9427 Shad P 22 012 31 4 012 3 4 012 3 4 012 35 4 012 3 4 0 1 31 0 1 3 6 5 6 6 5 ...

Page 282: ...nce 8 Position 3 Main body 5 Finisher 9 Error code Error code and detail code Item Explanation Service Data Clear Initializes service data Clear the service mode data of Service Choice and Adust menu Type Clear Initializes user data History Clear Clears the jam error history and the user data System Settings Dept ID Management Page Totals menu PWD Clear Clears the system administrator s password A...

Page 283: ...very thing is OK it Will display OK and automatically clear DRAM After DRAM clears finish LCD will display Data is Clear 14 9 3 Scanner Test 0022 5247 14 9 4 Printer Test 0022 5248 Select the item to generate test patterns as described below Two kinds of service test patterns are available Other test patterns are reserved for factory development purposes White Pattern Not used Black Pattern This p...

Page 284: ...sor SR208 1 Document presence 0 Document absence TONER Waste toner full sensor SR206 0 Full 1 Available 2ND DEL No 1 paper full sensor SR207 0 Document presence 1 Document absence OP1 left Left Cassette 2 retry sensor SR6 0 Document presence 1 Document absence OP1 right Right Cassette 2 paper sensor SR5 0 Document presence 1 Document absence OP2 left Left Cassette 3 retry sensor SR6 0 Document pre...

Page 285: ...ght 1 Pressed 0 Not pressed SW1 right 1 Pressed 0 Not pressed Display Position Sensor Name Explaination DS ADF document sensor PI11 On Paper presence Of Paper absence DES ADF read sensor PI7 On Paper presence Of Paper absence HPS CIS HP sensor SR401 On Paper presence Of Paper absence BCVS Copyboard cover open closed sensor front SR403 On Cover open Of Cover closed Display Position Sensor Name Expl...

Page 286: ... and ADF two parts Press OK key execute clear function Press STOP can stop clear function Select the Printer menu and start the cleaning of the transfer roller by idling Select the ADF menu and start the cleaning the ADF pickup feed rollers by idling 14 9 8 Video I F Test 0022 5255 Not used Press the OK key All H character display All black display All LED illumination Press the keys associated wi...

Page 287: ...Chapter 15 Upgrading ...

Page 288: ......

Page 289: ...15 1 Outline 15 1 15 1 1 Overview of Upgrade 15 1 15 2 Downloading System Software 15 1 15 2 1 Downloading System 15 1 15 2 1 1 Downloading Procedure 15 1 15 2 2 Downloading BOOT 15 4 15 2 2 1 Downloading Procedure 15 4 ...

Page 290: ......

Page 291: ... start UST 2 When the power switch is turned on the Found New hardware Wizard appears Click Cancel F 15 1 3 Press the Additional Functions key on the control panel of this machine to enter into the user mode 4 Press the down arrow key to select System Settings and then press the OK key 5 Press the down arrow key to select Update Firmware and then press the OK key 6 When OK to update appears select...

Page 292: ...Chapter 15 15 2 8 Select Next following the instruction shown on the screen F 15 2 9 Select Next following the instruction shown on the screen F 15 3 ...

Page 293: ...Chapter 15 15 3 10 Select Next following the instruction shown on the screen F 15 4 11 Select Start following the instruction shown on the screen F 15 5 ...

Page 294: ...the control panel of this machine F 15 7 14 When version update is completed the following screen appears Turn off this machine and then turn it on again to allow the new firmware to take effect F 15 8 15 2 2 Downloading BOOT 15 2 2 1 Downloading Procedure 0020 4304 Boot program is upgraded automatically at the same time with System version up ...

Page 295: ...Chapter 16 Service Tools ...

Page 296: ......

Page 297: ...Contents Contents 16 1 Service Tools 16 1 16 1 1 Special Tools 16 1 16 1 2 Oils and Solvents 16 1 ...

Page 298: ......

Page 299: ... checks Cover switch TKN 0093 A Tester extension pin FY9 3038 A As an addition when making an electrical check Tester extension pin L shipped FY9 3039 A As an addition when making an electrical check NA 3 Test Chart FY9 9196 A For checking and adjusting images Name Uses Composition Remarks Alcohol Cleaning e g Glass plastic rubber external covers Fluoride family hydrocarbon Alcohol Surface activat...

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Page 301: ...Chapter 17 Backup Data ...

Page 302: ......

Page 303: ...Contents Contents 17 1 Backup Data 17 1 ...

Page 304: ......

Page 305: ...ored Data Locatio n Replacement Delete User function Service function 3 LUI RUI ImageP rocesso r PCB Reader controll er PCB DC controll er PCB Commo n Settings Initializ e Commo n Copy Settings Initializ e Copy Set Printer Settings Initializ e Printer System Settings Dept ID Manag ement Service data Type History Admini strator Passwo rd All Additional Functions Common Settings Flash ROM Clear 2 2 ...

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Page 307: ...May 12 2014 ...

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