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Canon NP6330, Service Manual

The Canon NP6330, a reliable photocopying machine, offers outstanding performance for businesses. To ensure seamless operation and maintenance, its comprehensive Service Manual is available for free download from our website. Explore this essential manual to maximize the functionality and productivity of your Canon NP6330.

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4. Turning On and Off the Grid Bias

A voltage is applied to the grid wire while the primary corona current is being

generated to ensure even placement of charges on the drum.

The grid bias is controlled by the grid potential control command (GRCONT)

generated by the DC controller: a grid bias of about -800 V is applied when the DC
controller generates the GRCONT command (analog, about 5 V).

As shown in Figure 4-106, the machine keeps the grid bias at 0 V between sheets

of copy paper (A), and exerts control so that charges will not be placed on the drum by
sending primary charging corona current through the grid wire (GND).

Figure 4-106

4-8

CHAPTER 4  IMAGE FORMATION SYSTEM

COPYRIGHT © 1997 CANON INC.                CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)

Photosensitive
drum

Grid

Primary corona wire

A

A

To HVT

COPY PAPER

PAPER FEED DIRECTION

Non-charge

Charge

Summary of Contents for NP6330

Page 1: ...SERVICE MANUAL REVISION 0 FY8 13EZ 000 MAY 1997 COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON ...

Page 2: ...SERVICE DEPARTMENT OF THE SALES COMPANY THIS DOCUMENTATION IS INTENDED FOR ALL SALES AREAS AND MAY CONTAIN INFORMATION NOT APPLICABLE TO CERTAIN AREAS COPYRIGHT 1997 CANON INC Printed in Japan Imprimé au Japon Use of this manual should be strictly supervised to avoid disclosure of confidential information Prepared by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPT 1 OFFICE IMAGING PRODUCTS TECHNICA...

Page 3: ... formation are operated and shows how they may be disassembled assembled and adjusted Chapter 5 Pick Up Feeding System explains the principles used from when copy paper is picked up to when a copy is delivered in view of the functions of electrical and mechanical units and in relation to their timing of operation It also shows how these units may be disassembled assembled and adjusted Chapter 6 Fi...

Page 4: ...flipping on the power switch closing the front door and closing the delivery door which results in supplying the copier with power 2 In the digital circuits 1 is used to indicate that the voltage level of a given signal is High while 0 is used to indicate Low The voltage value however differs from circuit to circuit In practically all cases the internal mechanisms of a microprocessor cannot be che...

Page 5: ...to sorter functions is equipped with stapler sorter functions which automatically staple sorted copies Not applicable to MS B1 ADF E1 Feeds a stack of originals one by one to the copyboard for copying RDF F1 Feeds a stack of originals one by one to the copyboard for copying In addition automatically turns over each two sided original Paper Deck Pedestal M1 1 paper deck Adds 1500 sheets of paper So...

Page 6: ...ge Exposure step 3 1 24 F Development step 4 1 25 G Transfer step 5 1 26 H Separation step 6 1 27 I Fixing step 7 1 28 J Drum Cleaning step 8 1 28 VII AUXILIARY PROCESS 1 29 A Blank Exposure 1 29 I BASIC OPERATION 2 1 A Functional Construction 2 1 B Outline of the Electrical Circuitry 2 2 C Basic Sequence 2 4 1 Basic Sequence of Operation 2 4 D Controlling the Main Motor 2 6 1 Outline 2 6 2 Operat...

Page 7: ...oping bias 4 13 G Controlling Blank Exposure 4 14 1 Outline 4 14 2 Operation 4 15 3 Controlling the Slide Shutters 4 15 H Mesuring the Density of Originals 4 16 1 Outline 4 16 2 Operation 4 17 3 AE Adjustment 4 18 I Cleaning the Transfer Charging Wire 4 19 1 Outline 4 19 2 Operation 4 19 II DEVELOPING ASSEMBLY DRUM CLEANER 4 21 I BASIC OPERATION 3 1 A Varying the Reproduction Ratio 3 1 II LENS DRI...

Page 8: ...uction 5 46 2 Removing the Pick Up Assembly 5 47 3 Removing the Pick Up Roller 5 48 4 Points to Note When Installing the Pick Up Roller 5 49 5 Removing the Feeding Roller 5 49 6 Removing the Separation Roller 5 51 A Outline 4 21 B Detecting the Level of Toner and Controlling the Supply 4 23 C Stopping the Hopper Motor in Response to a Rotation Error 4 24 III DISASSEMBLY AND ASSEMBLY 4 25 A Scannin...

Page 9: ...Installing the Thermal Switch 6 28 12 Position of the Paper Guide 6 29 13 Positioning the Cleaning Belt Solenoid 6 29 B Delivery Assembly 6 30 1 Removing the Delivery Assembly 6 30 2 Removing the Upper Separation Claws 6 32 3 Removing the Lower Separation Claws 6 33 4 Removing the Delivery Motor 6 34 7 Adjusting the Pressure of the Separation Roller 5 53 8 Positioning the Pick Up Assembly Pick Up ...

Page 10: ...1 Cross Section of Pick Up Assembly 8 28 2 Removing the Pick Up Assembly 8 29 CHAPTER 8 PAPER DECK PEDESTAL CHAPTER 7 CONTROLS AND EXTERNALS I FANS 7 1 II POWER SUPPLY 7 3 A Outline of Power Supply 7 3 B Protection Mechanisms of the Power Supply Circuit 7 5 III ERROR DETECTION CIRCUIT 7 6 A Outline 7 6 B Scanning Lamp Error Activation Detection Circuit 7 7 C Fixing Heater Error Activation Detectio...

Page 11: ...3 B Points to Note for Scheduled Servicing 11 5 II STAMDARDS AND ADJUSTMENTS 11 7 A Adjusting the Images 11 7 1 Adjusting the Image Leading Edge Margin 3 No 305 11 7 2 Adjusting the Leading Edge Non Image Width 3 No 306 11 8 3 Adjusting the Trailing Edge Non Image Width 3 No 307 11 9 4 Adjusting the Left Right Registration 11 10 5 Adjusting the Image Left Right Margin 3 No 308 11 12 6 AE Adjustmen...

Page 12: ... 46 3 Checking the Photointerrupters11 47 III TROUBLESHOOTING IMAGE FAULTS 11 53 A Making Initial Checks 11 53 1 Installation Environment 11 53 2 Checking the Originals 11 53 3 Copyboard Cover Copyboard Glass and Standard White Plate 11 53 4 Charging Assemblies 11 53 5 Developing Assembly 11 53 6 Paper 11 53 7 Periodically Replaced Parts 11 54 8 Others 11 54 B Image Fault Samples 11 56 Not availab...

Page 13: ...E901 11 102 2 Pick up fails pedestal 11 107 3 The lifter fails to move up pedestal 11 105 4 The Add Paper indicator fails to turn off pedestal 11 106 V TROUBLESHOOTING FEEDING FAULTS 11 107 A Copy Paper Jams 11 107 1 Pick up assembly 11 108 2 Separation feeding assembly 11 109 3 Fixing delivery assembly 11 110 4 Cleaning assembly 11 110 5 Lower feeding assembly 11 111 B Troubleshooting Feeding Fau...

Page 14: ...Y 1997 PRINTED IN JAPAN IMPRIME AU JAPON xiii APPENDIX A GENERAL TIMING CHART A 1 B SIGNALS AND ABBREVIATIONS A 2 C GENERAL CIRCUIT DIAGRAM A 5 Not available D PEDESTAL CONTROLLER A 9 Not available E SPECIAL TOOLS LIST A 11 F SOLVENTS AND OILS A 12 ...

Page 15: ...ol Panel Inch 1 14 C User Mode 1 17 V ROUTINE MAINTENANCE BY THE USER 1 20 VI IMAGE FORMATION 1 21 A Outline 1 21 B Static Latent Image Formation Block 1 23 C Pre Exposure step 1 1 23 D Primary Charging step 2 1 24 E Image Exposure step 3 1 24 F Development step 4 1 25 G Transfer step 5 1 26 H Separation step 6 1 27 I Fixing step 7 1 28 J Drum Cleaning step 8 1 28 VII AUXILIARY PROCESS 1 29 A Blan...

Page 16: ...urns out as many as 31 copies A4 30 copies LTR per minute It zooms between 49 and 204 with nine AB eight Inch preset reduction and enlargement reproduction ratios It accommodates various paper sizes A3 11 17 to postcard and transfer media tracing paper transparency It automatically recognizes the size of originals selecting the best copy paper size auto paper selection or reproduction ratio auto r...

Page 17: ...0 240 V Lens Zoom lens Photosensitive OPC φ30 medium Reproduction Indirect electrostatic Charging Corona Exposure Slit moving scanner Copy density Automatic AE or manual adjustment Development Dry toner projection Pick up Auto 2 cassettes Pedestal accessory Manual Multifeeder Transfer Corona Separation Curvature static eliminator Cleaning Blade Fixing Heat roller main 700 W sub 600 W for 120V mode...

Page 18: ...paper SM1 colored paper 2 recycled paper 64 to 80 g m2 Plain paper 64 to 80 g m2 128 g m2 3 tracing paper SM1 GNT80 colored paper 2 transparency 2 4 postcard 2 label sheet 2 recycled paper 64 to 80 g m2 Plain paper 64 to 80 g m2 colored paper 2 recycled paper 64 to 80 g m2 Plain paper 64 to 80 g m2 128 g m2 3 colored paper 2 recycled paper 64 to 80 g m2 500 sheets 55mm 2 2 80g m2 plain paper front...

Page 19: ... AU JAPON Specifications 7 5 C 45 5F to 32 5 C 90 5F 5 to 85 RH 608 hPa to 1013 hPa 0 5 to 1 atm Serial numbers NHE XXXXX NHF XXXXX PDE XXXXX RBN XXXXX 1 5 kW or less 0 164 kWh average reference only 0 834 kWh average reference only 71 dB or less 50 dB or less 0 05 ppm or less avr 0 10 ppm or less max 610mm 24 0 595mm 23 4 585mm 23 0 82 5 kg 181 5 lb Keep wrapped and protect against humidity Avoid...

Page 20: ... AU JAPON 1 5 AB Inch Direct 1 1 1 1 Reduce I 1 0 500 1 0 500 Reduce II 1 0 707 1 0 647 Reduce III 1 0 816 1 0 733 Reduce IV 1 0 865 1 0 786 Enlarge I 1 1 154 1 1 214 Enlarge II 1 1 224 1 1 294 Enlarge III 1 1 414 1 2 000 Enlarge IV 1 2 000 Zoom 49 204 in 1 increments Copying ratio Table 1 201 Preset Ratios ...

Page 21: ...1 0 500 1 0 707 1 0 816 1 0 865 1 2 000 1 1 414 1 1 224 1 1 154 Direct Reduce Enlarge Copy size mm A3 297 420 A4 210 297 A5 148 210 B4 257 364 B5 182 257 A4R 297 210 A5R 210 148 B5R 257 182 A3 A5R A3 A4R B4 B5R B4 A4R A3 B4 A4 B5 A5R A3 A4R A3 B5R B4 A4R B4 B4 A3 B5 A4 Copies 17 31 31 19 31 23 31 26 23 20 22 21 18 27 17 17 17 19 17 22 Table 1 202 Copying Speed AB ...

Page 22: ... 1 0 500 1 2 000 1 1 294 1 1 214 Direct Reduce Enlarge Copy size 1 LTR 11 17 LGL LTRR STMT STMTR LGL LTRR 11 17 LGL 11 15 LTRR 11 17 LTRR 11 17 STMTR STMTR 11 17 LTRR 11 17 LGL 11 17 Copies 30 16 20 24 31 30 21 19 21 20 23 17 17 17 Table 1 203 Copying Speed Inch Specifications subject to change without notice 1 11 x17 279 4x431 8mm LGL 215 9x355 6mm LTR 215 9x279 4mm STMT 139 7X215 9mm ...

Page 23: ...80 g m2 colored paper 1 Size of stack A4 horizontal B5 horizontal LTR 2 horizontal Capacity 162 mm 6 38 high stack one side 1500 sheets of 80 g m2 paper Size switching By relocating partition plate in increments Power supply Not provided DC power supplied from copier Weight 46kg 101 lb Width 610mm 24 0 Depth 608mm 23 9 Height 414mm 16 3 1 Canon recommended paper 2 LTR 215 9x279 4mm Dimensions Spec...

Page 24: ...1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 1 9 III NAMES OF PARTS A Exterior View u q w e r t y q Copyboard cover w Control panel e Power switch r Front door t Cassette 1 y Cassette 2 u Copy tray Figure 1 301 ...

Page 25: ...MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON q w e r t y u i o q Fixing assembly knob w Total counter e Hopper r Developing assembly releasing lever t Registration knob y Multifeeder u Feeding assembly releasing lever i Horizontal registration knob o Lower feeder lever Figure 1 302 ...

Page 26: ...nk exposure lamp 5 Lens 6 Primary corona wire 7 Photosensitive drum 8 No 6 mirror 9 Developing assembly 0 No 5 mirror 1 No 4 mirror 2 Multifeeder pick up roller 3 Multifeeder tray 4 Vertical path roller 0 5 Vertical path roller 1 6 Vertical path roller 2 7 Cassette 2 separation roller 8 Cassette 2 feeding roller 9 Cassette 2 pick up roller 0 Cassette 1 separation roller 1 Cassette 1 feeding roller...

Page 27: ... INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 2 Paper Deck Pedestal M1 u y t r q w e q Deck pick up roller w Deck vertical path roller e Vertical path roller 3 r Deck feeding roller t Deck separation roller y Lifter u Deck Figure 1 304 ...

Page 28: ... LTR B5 A3 A4 LTR B4 B5 1 1 1 1 Lighter Darker Reduce Enlarge Paper Select Min 50 A PRESS START KEY REPLACE ORIGINALS SELECT PAPER SIZE SET MARGINS COPY LIMIT EXCEEDED PLACE ORIGINALS IN FEEDER 2 3 1 5 6 4 8 9 7 0 C ID Additional Function Image Combination Two page Separation Margin Erase Left Even Odd Right Mode Memory Different Size Original M1 M2 M3 OK q w e r t y u i o 0 1 2 3 4 5 6 7 8 9 0 1 ...

Page 29: ...7 LGL 11x17 LGL LTR 11x17 LGL 11x17 LTR Direct Direct Lighter Darker Reduce Enlarge Paper Select Min 50 A PRESS START KEY REPLACE ORIGINALS SELECT PAPER SIZE SET MARGINS COPY LIMIT EXCEEDED PLACE ORIGINALS IN FEEDER 2 3 1 5 6 4 8 9 7 0 C ID Image Combination Two page Separation Margin Erase Left Right Mode Memory Different Size Original M1 M2 M3 OK Even Odd q w e r t y u i o 0 1 2 3 4 5 6 7 8 9 0 ...

Page 30: ...pecified the originals must be replaced the Copy Start key must be pressed the paper size must be selected or the copy count is in excess Lights when a jam has occurred paper must be supplied or toner must be supplied Indicates the selected copy count reproduction ratio or mode settings Press it to reset to standard copying mode Use it to enter a copy count or mode settings for numeric input Press...

Page 31: ...gin key Mode Memory key Press it to return to Direct 100 Press it to set a preset reproduction ratio reduction enlargement Press it to manually adjust the copy density Press it to start end AE automatic exposure Press it to start end mix mode for a combination of different original sizes Press it to start end frame erasing mode Press it to start end binding margin mode Press it to register recall ...

Page 32: ...egistration Display Description Use it to set the auto clear time between 0 and 9 min in 1 min increments Setting it to 0 min disables the function Use it to change the auto power off time between 10 and 120 min in 10 min increments Use it to specify a percentage at which the power consumption is reduced in pre heat mode 0 no power saving 10 10 saving 25 25 saving 50 50 saving Use it to turn on or...

Page 33: ...ng one sided copies of two sided originals and two sided copies of one sided originals with a binding margin ON Allow binding margin on back only OFF Allow binding margin Use it to select between millimeter and inch notations as the unit of input length 1 in millimeters 0 in inches Use it to set the time for entering to anto energy saver mode The time can be set between 15 and 90 min in 15 min inc...

Page 34: ...ct the density between 8 and 8 when the copy density at F5 is found to be not appropriate Use it to make fine adjustments so that the discrepancy if any in size between original and copy in Direct is removed X enlargement and Y reduction may both be corrected independently between 99 and 101 in 0 2 increments The display indicates ten times the actual setting Use it to clean the pick up feeding as...

Page 35: ...d Glass Wipe it with a cloth moistened with water or solution of mild detergent then dry wipe it 2 Copyboard Cover Wipe it with a cloth moistened with water or solution of mild detergent then dry wipe it 3 Primary Charging Assembly Slide in and out the charging wire cleaner thereby cleaning the wire 4 Static Eliminator If separation jams occur frequently clean the static eliminator with the brush ...

Page 36: ...JAPAN IMPRIME AU JAPON 1 21 VI IMAGE FORMATION A Outline Figure 1 601 Scanning lamp Zoom lens Pre exposure lamp Cleaning web Drum cleaning assembly Developing assembly Upper fixing roller Lower fixing roller Static eliminator Transfer corona assembly Copy paper Copy paper Primary corona assembly ...

Page 37: ...truction its outside is a photoconducting layer made of OPC and inside a conductive aluminum substrate Figure 1 603 Static latent image formation block 2 Primary charging 3 Image exposure 1 Pre exposure 4 Development 8 Drum cleaning 5 Transfer Manual feed Delivery 6 Separation Registration 7 Fixing Cassette Cassette Flow of copy paper Rotation of drum Photo conducting layer Substrate Step 1 Pre ex...

Page 38: ...osensitive drum corresponding to the white areas of the original The static image formed on the photosensitive drum is not visible to the human eye and therefore is called a static latent image Figure 1 604 C Pre Exposure step 1 Figure 1 605 In preparation for primary charging the light from the pre exposure lamp is shone on the photosensitive drum surface thereby removing the residual charges fro...

Page 39: ...mary charging assembly charges the surface of the drum to a uniform negative potential to ensure primary potential Grid bias is applied to the grid to make sure that the surface of the drum is uniformly charged E Image Exposure step 3 Figure 1 607 The optical image of the original is projected on the photosensitive drum to neutralize the charges in the light areas Optical image Dark area Light are...

Page 40: ... a positive potential by friction against the rotating cylinder Figure 1 609 A concentrated magnetic field exista at all times from the magnet to the tip of the blade attracting the developer Once inside the concentrated magnetic field its strong bond to the blade will keep it virtually immobile causing it to deposit in an even layer on the cylinder Both AC bias and DC bias negative component are ...

Page 41: ...ng DC bias mainly affects copy density and fogging a higher bias i e closer to 0 V increases image density but tends to cause fogging G Transfer step 5 Figure 1 611 A negative corona charge is applied to the back of the copy paper causing the toner on the drum to move to the copy paper The transfer guide and vertical pass upper guide is grounded through a varistor to prevent soiling of the back of...

Page 42: ...oblem a positive voltage is applied to the separation static eliminator to weaken the static bonds between drum and copy paper thereby facilitating separation Copy paper possesses high resistance once it has moved through the fixing assembly and shows curling For this reason separation faults could occur if the same degree of separation corona charging was used for copying on both first and second...

Page 43: ...with the upper fixing roller thereby cleaning and while at the same time applying silicone oil to the roller by moving the point of contact by a take up mechanism To prevent fixing faults positive DC bias is applied to the upper fixing roller J Drum Cleaning step 8 Figure 1 614 In preparation for the next copying run the cleaning blade scrapes off toner remaining on the drum surface Thereafter the...

Page 44: ...e mode The light from the pre exposure lamp is reflected by the replacing plate so that it is directed to the photosensitive drum after image exposure The non image area between sheets of copy paper is exposed by light from the pre exposure lamp which is reflected by a separate reflecting plate Figure 1 615 Pre exposure lamp Reflecting plate Pre exposure optical path Blank exposure lamp optical pa...

Page 45: ... Main Motor 2 6 E Inputs to the DC Controller 2 8 F Outputs from the DC Controller 2 13 G Inputs to and Outputs from the Accessories 1 1 2 18 This chapter describes the outline of the basic operation purposes and roles of this copier the relationship between the electric system and mechanical system and the operational timing of each component The process speed of this copier is about 180mm sec an...

Page 46: ...panel Control circuit Protosensitive drum Developing assembly Primary corona charging Drum cleaning assembly Transfer Separa tion Pick up control assembly Pick up Feeding system 1 Pick up Feeding system 2 accessory Manual pick up assembly Feeding assembly Fixing assembly Delivery control assembly Tray Lower feeder assembly Lower feeder control assembly Image formation system Optical assembly Scann...

Page 47: ...motor IC115 gate array Controlling writing to and reading from memory Controlling the fixing heater Controlling the scanning motor IC124 IC103 master ROM slave ROM Serving as memory for programs IC107 DPRAM Serving as buffer memory between master CPU and slave CPU IC109 I O port Controlling the high voltage power supply and lamp regulator Turns on and off each element IC117 IPC Controlling serial ...

Page 48: ...IPC IC103 ROM IC105 RAM IC119 D A converter Accessories BAT101 X101 16MHz X103 12MHz X1 16MHz DC Controller PCB Control panel Motor driver 1 PCB Motor driver 2 PCB Scanning motor Lens motor Horizontal registration motor Hopper motor Delivery motor Lower feeder motor Blank shutter motor Cleaner motor Main motor dviver PCB Main motor Lifter motor Heaters Primary Transfer corona assembly Developing b...

Page 49: ...RIME AU JAPON Main motor M1 Fixing main heater H1 Fixing sub heater H2 Primary corona bias Transfer corona bias Static eliminator fixing roller bias Scanning lamp LA1 Scanner WMUP SCFW SCRV SCFW SCRV LSTR STBY INTR WMUPR STBY ON ON Power switch 1 Reverse COPY START key AER 175 c 347F Controlled to 190 c 374F 1 Fixing upper roller surface temperature 190 c 374F Forward ...

Page 50: ...production ratio While the scanner is moving in reverse From the end of SCRV to when the main motor stops From the end of LSTR or WMUPR to when the Copy Start key is pressed or the power switch is turned off Function Waits until the fixing roller heats Evens out the temperature of the fixing roller Stabilizes the sensitivity of the drum in preparation for copying operation Measures the density of ...

Page 51: ...s pulse signals The crystal oscillator on the main motor driver PCB is used to generate reference pulses These two types of signals are sent to the phase control circuit the phases of the frequencies of the hall IC output pulses and the reference pulses are compared and the output timing of the drive signal to the main motor is controlled so that the phases match causing the speed of the motor to ...

Page 52: ... 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 2 7 3 4 5 1 2 2 3 1 5 4 MMD MMLOCK MMCLK DC controller PCB DC Power Supply PCB 1 1 2 2 GND 5V Phase control circuit Frequency Voltage converter Rotor Hall IC W V U Main motor driver PCB Drive circuit Reference signal J502 J107 J501 J634 24VB ...

Page 53: ... 9 10 J725 J104 J718 J708 J115 3A 2A 1A 6B 5B 4B 3B 2B 1B 7 6 5 9 10 11 J713 3 2 1 10 11 12 J706 J116 J717 J716 13 12 11 3 4 5 10 9 8 6 7 8 J713 J115 6A 5A 4A 9A 8A 7A J711 J709 6 5 4 7 8 9 9 8 7 4 5 6 J706 J116 3B 2B 1B J113 J62 5V 5V 5V 5V 5V 5V 5V 5V 5V when scanner is at home position 1 light blocking plate is at PS1 when paper is present in cassette 1 1 light blocking plate is at PS2 when pap...

Page 54: ... 11 10 1 2 3 J706 J116 3 2 1 6B 5B 4B J47 J48 1 2 3 3 2 1 J51 3 4 5 3 2 1 J21 J30 J117 J74 J49 J102 3B 2B 1B 9B 8B 7B 3 2 1 J22 J52 J107 8B 7B 6B 2 1 3 4 5 3 5B 4B 3B J32 J33 6A 5A 4A J109 J37 5 4 3 7 8 9 J35 5V 5V 5V 5V 5V 5V 5V 5V 5V when horizontal registration roller is at home position 1 light blocking plate is at PS15 when PS12 detects paper 0 light blocking plate is not at PS12 when PS11 de...

Page 55: ...CB Motor driver 1 PCB AE BLHP WCHP TEP TH1 SERVICE AEREF AE LHP J951 J114 12A 10 DC controller PCB Lens home position sensor AE sensor Blank shutter home position sensor Wire cleaner rear position switch Wire cleaner home position switch Service switch Toner sensor Thermistor 1B 10B See p 4 16 when lens is at home position 1 light blocking plate is at PS19 when transfer corona wire cleaner is at h...

Page 56: ... 1 2 3 12 11 10 12B 11B 10B J70 J724 J104 PS102 PS101 SEU2 4 1 2 3 1 4 3 2 8A 5A 6A 7A J723 PS104 PS103 Cassette 2 paper length sensor unit Cassette 1 paper length sensor unit Original size sensor 4 Original size sensor 3 Original size sensor 1 Original size sensor 2 AB only when original size sensor 1 detects original 0 when original size sensor 2 detects original 0 when original size sensor 3 de...

Page 57: ...with reference to side guide in cassette 1 analog detects paper width with reference to side guide in cassette 2 analog detects paper width in reference to position of side guide in multifeeder analog DC controller PCB SVR1 C2PW 14A 13A 12A 3 2 1 1 2 3 J721 5V SVR2 MFPW 14B 13B 12B 3 2 1 1 2 3 J726 10 9 8 1 2 3 J725 5V SVR3 Cassett 1 paper width detection VR Cassett 2 paper width detection VR Mult...

Page 58: ...24VB FM5 DC controller PCB CB1 NF1 DSW1 SW1 Door switch Power switch H3 Drum heater TSW1 Fixing main heater H1 Fixing sub heater H2 SSR Scanning lamp LA1 Power supply PCB cooling fan FM5LOCK DC power supply PCB ON OFF 1A 2A 8B 7B 5B 9B 6B J117 J112 PWOFF MHRD SHRD SSSRD MSSRD when 1 main heater goes ON when 0 power switch goes OFF when 1 sub heater goes ON See p 4 3 when heater goes ON 1 Lamp regu...

Page 59: ...tal registration motor Scanning motor Drive circuit Drive circuit Drive circuit Drive pulse gener ation ciruit Drive pulse generation circuit 24VB 12V 24VB 24VB To DC power supply PCB 5V Motor driver 2 PCB Motor driver 1 PCB 13 14 1A 2A 10 9 8 6B 7B 8B 24VB DC controller PCB 5V See p 2 6 See p 3 7 See p 3 4 See p 4 24 See p 6 9 MMD MMLOCK MMCLK HRRON HRD HRCLK when M5 is rotating generates pulse s...

Page 60: ...03 sec later 12V when 0 CL1 goes ON when 1 FM4 rotates at full speed when 0 FM4 rotates at half speed when 0 FM4 goes ON CL1 CL2 CL3 CL4 CL5 FM4 RGCD 2A 1A 1 1 2 2 J103 J71 12V C2PUCD 3A 2A 2 2 1 1 J720 24VB 2 15 1 14 J713 J115 6 6 5 5 J701 when 0 CL3 goes ON MFCD 11B 10B 2 2 1 1 J727 J725 24VB 7 5 6 4 J104 when 0 CL4 goes ON VR1CD 4B 3B 2 2 1 1 J701 J703 24VB 4 8 3 7 when 0 CL5 goes ON C1PUCD 6B ...

Page 61: ... J92 24VB 4 2 3 1 J91 when 0 SL5 goes ON LFSD 5 4 2 2 1 1 J108 J23 24VB 5 2 4 1 J21 when 0 SL6 goes ON C2RSD 8B 7B 2 2 1 1 J115 J714 24VB when 0 SL2 goes ON SL2 SL3 SL4 SL5 SL6 8 3 4 7 J701 8B 7B 2 2 1 1 J116 J705 SL1 LFCD 6A 5A 2 2 1 1 J103 24VB when 0 CL7 goes ON VR2CD 5A 4A J115 24VB 2 2 1 1 J719 4 13 3 12 J713 J73 J72 when 0 CL6 goes ON CL8 CL7 CL6 Vertical path roller 2 clutch Lower feeder ou...

Page 62: ...CNTSL1 CNTSL2 11B 10B 2 2 1 1 J117 J53 24VB 3A 4A 2 3 1 4 J113 J91 2 1 J93 24VB 9B 10B 2 1 1 2 J61 24VB 7B 8B 5B 4B 6B 1 2 2 1 J64 J63 J65 24VB 1 1 2 2 3 5 4 CNT1 LA2 SL7 CNT2 Counter circuit PCB Copy counter option Total copy counter Pre exposure lamp Horizontal registration solenoid DC controller PCB when 0 pre exposure lamp goes ON when 0 SL7 goes ON when 0 CNT1 goes ON when 0 CNT2 goes ON ...

Page 63: ...controller PCB 1 3 2 4 2 3 1 4 J39 J112 J732 1 3 4 2 4 2 1 3 1 2 3 4 3 1 2 11 9 10 12 4B 2B 1B 3B 4 J730 J731 J104 0V 0V Connected to DC power supply PCB Connected to DC power supply PCB Connected to DC power supply PCB 24VB 24VB 24VB 4 3 1 2 11 9 10 12 J40 0V 0V 0V 3A 1A 2A 7A 5A 6A J44 4 8 1 10 3 1 2 7 7 6 1 3 2 5 J42 J112 2 3 5 6 1 2 J43 D TXD D RXD Refer to the DF Service Manual S TXD FACE DOW...

Page 64: ...ANISM 3 6 A Driving the Scanner 3 6 IV OTHERS 3 13 A Controlling the Detection of Original Sizes 3 13 V DISASSEMBLY AND ASSEMBLY 3 19 A Scanner Drive Assembly 3 19 B Lens Drive Assembly 3 30 This chapter describes the outline of the purposes roles and operations of the lens driving optical system and original detection of this copier the relationship between the electric system and mechanical syst...

Page 65: ... it varies the reproduction ratio in the axial direction of the photosensitive drum by changing the lens position and the focal distance The scanner drive system moves the No 1 mirror relatively faster Reduce or slower Enlarge than the peripheral speed of the photosensitive drum thereby varying the peripheral reproduction ratio Figure 3 101 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON ...

Page 66: ...r and stops when the lens is at Direct position The microprocessor on the DC controller remembers the Direct position of the lens When the ratio is changed drive pulses corresponding in number to the selected ratio will be applied to the lens motor to promptly change the position of the lens When moving in Enlarge direction as from Reduce to Direct the lens is first moved past the position for the...

Page 67: ... CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 3 3 Cam groove Lens Cam plate Signal plate Lens motor M3 Lens motor drive command Lens home position signal LHP DC controller PCB Motor driver 1 PCB Lens home position sensor PS19 Enlargement Reduction ...

Page 68: ...hanging the output timing of the LEA command and the LEB command The LEHLD command remains 1 while the lens motor is rotating applying 24 V to the motor The LEHLD command remains 0 while the motor is at rest applying 5 V to the motor by way of applying brakes Figure 3 203 3 4 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Drive circ...

Page 69: ...focuses on images by varying the distance between multiple lenses Figure 3 204 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 3 5 Lens home position signal LHP Lens motor drive command Lens motor M3 Motor driver 1 PCB DC controller PCB Lens drive belt Rail Lens mount Lens home position sensor PS19 Signal plate Cam groove Cam plate Z...

Page 70: ...rse remains a specific value about 2 7 times when moving the scanner forward regardless of the selected reproduction ratio The distance over which the scanner travels varies according to the length of copy paper and the reproduction ratio Figure 3 301 3 6 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Scanning motor M2 Forward No 1 ...

Page 71: ...on and off the motor w Controlling the rotation of the motor e Controlling the speed of the motor r Stabilizing the motor Figure 3 302 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 3 7 Drive circuit 5A 3 SCM1 6A 2 SCM2 SCA SCB 3A 5 SCCLK 4A 4 SCMD 1A 7 SCRET 7A 1 SCVREF 2A 6 SCRON DC controller PCB Motor driver 1 PCB 5V 24VB Scanni...

Page 72: ... the scanner forward When the SCRON command goes 1 on the other hand the scanner motor M2 rotates counterclockwise thereby moving the scanner in reverse c Controlling the Speed of the Motor The scanning motor clock pulse command SCCLK is used to control the speed of the motor The speed of rotation varies when the cycles of the SCCLK command are varied d Stabilizing the Rotation of the Motor If var...

Page 73: ...se command SCA SCA SCB SCB generated by the motor driver 1 PCB high speed response low amplitude drive low noise drive Figure 3 303 shows the relationship between the size current of the drive pulse signal and the timing Figure 3 303 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 3 9 SCRET SCMD SCCLK SCM1 SCM2 SCA SCA SCB SCB ...

Page 74: ...0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Scanner sensor Scanner home position Signal SCHP Remarks Registration clutch ON In 0 1 sec scanner reverse OFF Scanner Forward Reverse Scanning motor M2 Scanner home position sensor PS1 Scanning lamp LA1 WMUP INTR AER SCFW INTR SCFW STBY SCRV LSTR SCRV HP Forward seach ON Power switch COPY START key COPY START key ON AE ON AE deselected Reverse LSTR ...

Page 75: ...nd original If it is shorter than 210mm 8 5 the point at which the scanner reverses in I will be used as the leading edge of the 2nd original III The same as I CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 3 11 Scanner home position sensor PS1 Scanning motor drive command SCMD Scanning motor rotation command SCRON Scanning lamp LA1...

Page 76: ...m 8 5 Reference If more than two modes are selected the scanner is controlled based on the smallest original size identified If any of the following modes is selected the scanner is controlled based on the original size Table 3 302 3 12 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Mode With feeder RDF ADF in use Original frame era...

Page 77: ...nsors is detected identifying the size of the original as being A3 A4 B4 or B5 for AB configuration and as being 11 x 17 LDR LGL or LTR for inch configuration default sizes Each original sensor consists of a LED and a phototransistor the light from the LED is detected by the photosensor whose output is sent to the DC controller The size of original from the DF accessory is detected by the DF and t...

Page 78: ...ED IN JAPAN IMPRIME AU JAPON DC controller PCB SIZE0 SIZE2 SIZE3 SIZE1 PS21 PS23 PS24 PS17 PS22 B5 B4 B5R A4 A3 A4R Copyboard cover open closed sensor LED Photointerrupter DC controller PCB SIZE0 SIZE2 SIZE3 PS21 PS23 PS24 PS17 LTR LTRR LGL Copyboard cover open closed sensor 11 17 AB configuration Inch configuration ...

Page 79: ...ultimately identifying the size of the original according to Table 3 401 3 402 Although this way of identification can detect the size of a black original the output level of the sensor will not change in the following cases a Black original of A3 11 17 b Book original the thickness prevents changes in level Reference a or b can cause wrong detection of the size Figure 3 403 CHAPTER 3 EXPOSURE SYS...

Page 80: ...n it is fully closed are different detecting no original Table 3 401 Table 3 402 Original size sensor Original size PS21 PS22 PS23 PS24 A3 ON ON ON ON B4 ON OFF ON ON A4R OFF OFF ON ON A4 ON ON OFF OFF B5 ON OFF OFF OFF B5R OFF OFF ON OFF NO OFF OFF OFF OFF ON represents the presence of a original OFF represents the absence of a original 3 16 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANO...

Page 81: ...tte is Inch configured the copier instructs the document feeder to check for Inch configured originals The DF identifies the size of an original as above however some part of an image may be missing on copies if the original and the copies are of different sizes EX A4 Original LTR Copy Figure 3 404 If the original is A4 and the copy is LTR the bottom of the original will be missing CHAPTER 3 EXPOS...

Page 82: ... LTR Original Enlarge A4 Copy Figure 3 406 The original will be identified as A4 Since the enlargement will be with reference to the triangle in Figure 3 406 the margin at the top of the copy will increase 3 18 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON LTR Output image A4 original s LTR original Output image A4 Margin s ...

Page 83: ...against static electricity be sure to use the washer when assembling the part 5 A washer is used for some mounting screws for grounding wire varistor to ensure correct electrical continuity be sure to use the washer when assembling the part 6 As a rule do not operate the copier while any of its parts is removed 7 Be sure to turn off the front door switch or the power switch before sliding out the ...

Page 84: ...ews e and remove the scanner motor r Figure 3 502 2 Outline of the Scanner Drive Cable Figure 3 503 3 20 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON r e e ...

Page 85: ...cover and rear cover 2 Remove the copyboard glass 3 Remove the control panel See p 7 14 4 Remove the two screws q and remove the power switch mount w Figure 3 504 Figure 3 505 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 3 21 q q w ...

Page 86: ...emove the upper left stay y Figure 3 507 7 Remove the scanner cooling fan See p 7 15 8 Remove the four screws u and remove the front glass support i Figure 3 508 3 22 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON e r y t t u i u u ...

Page 87: ...ove the copyboard support 1 Figure 3 509 10 Remove the three screws 2 and remove the rear glass support 3 Figure 3 510 Figure 3 511 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 3 23 o 0 1 0 2 3 2 2 3 ...

Page 88: ...atch the long angle in the side plate and the cable fixing screw 5 Then remove the cable fixing screw 5 front 2 rear 4 and separate the No 1 mirror mount and the scanner cable both front and rear Figure 3 513 Figure 3 514 3 24 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON front rear 4 4 rear 5 5 front 5 ...

Page 89: ...rew 7 and loosen the cable wire both front and rear 14 Remove the scanner cable 8 both front and rear Figure 3 515 Figure 3 516 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 3 25 front 7 6 8 rear 6 8 7 6 ...

Page 90: ...odels To use loosen the screws extend the two arms both front and rear fully and tighten the screws 1 Move the No 2 mirror mount so that the No 2 mirror mount pulley shaft q is in view through the long hole in the side plate Figure 3 518 3 26 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON q Note ...

Page 91: ...e the scanner cable on the pulley and the hook as shown in the figure Figure 3 520 4 Remove the screw fitted in step 2 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 3 27 w o t r e q y w u i 3mm 0 Put the steel ball into the hole of the pulley Wind it eight times Fix temporarily ...

Page 92: ...d No 2 mirror mount both font and rear then put the tool pin r through the mirror positioning tool and the lens mount rail Figure 3 521 Figure 3 522 3 28 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON r e e r ...

Page 93: ...ar Figure 3 523 Figure 3 524 If you cannot remove the tool pin smoothly after the work check the gap between the No 2 mirror and the mirror positioning tool then tighten the screw on the No 1 mirror mount as necessary once again CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 3 29 rear t t t Note ...

Page 94: ...e to hold the middle of the mirror mount 3 Remove the two screws q and disconnect the connector w then remove the lens motor assembly e Figure 3 525 4 Remove the two screws r and disconnect the connector t then remove the lens motor y Figure 3 526 3 30 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON w q e t r r y Note ...

Page 95: ...reading of the spring gauge is 1000 50g when motor support q is pulled with a spring gauge in the direction of the arrow at the point A indicated in Figure 3 527 Figure 3 527 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 3 31 q A ...

Page 96: ...the three screws q and disconnect the two connectors w then remove the lens hood e Figure 3 528 Figure 3 529 3 32 CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON q w q e q ...

Page 97: ...14 H Mesuring the Density of Originals 4 16 I Cleaning the Transfer Charging Wire 4 19 II DEVELOPING ASSEMBLY DRUM CLEANER 4 21 A Outline 4 21 B Detecting the Level of Toner and Controlling the Supply 4 23 C Stopping the Hopper Motor in Response to a Rotation Error 4 24 III DISASSEMBLY AND ASSEMBLY 4 25 A Scanning Lamp Assembly 4 25 B Blank Exposure Lamp Assembly 4 28 C Drum Unit 4 34 D Charging A...

Page 98: ... the developing bias Controlling the blank exposure lamp Figure 4 101 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 4 1 Lens Blank exposure unit Primary corona assembly Photosensitive drum Static eliminator Developing cylinder Transfer corona assembly Motor driver 1 PCB Lamp regulator DC controller PCB High voltage transform...

Page 99: ...INTED IN JAPAN IMPRIME AU JAPON Main motor M1 Grid bias Primary Transfer corona bias Developing bias DC component Developing bias AC component Static eliminator fixing roller bias Scanning lamp LA1 WMUP SCFW SCRV SCFW SCRV LSTR STBY INTR WMUPR STBY ON ON Power switch 1 COPY START key AER 1 Developing bias DC component output corresponding to back bias ...

Page 100: ...MAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 4 3 IC115 IC104 IC109 D A converter 2A 12A 1 3 LDT 10A LINT 5 8A 6 7A 4 9A LMPON 2 11A ZRCS J103 J117 J603 24VA 24VA DC controller PCB Lamp regulator CVR Switching circuit Phase control Zero cross detection circuit Arc circuit Differential amplifier circuit Power supply voltage fluctuation ...

Page 101: ...signal analog and as a result will raise the supply voltage to the lamp thereby increasing its intensity 3 Detecting the Activation of the Scanning Lamp The lamp regulator sends the lamp ON detection signal LDT to the DC controller while the scanning lamp is on If the LDT signal remains on for 22 sec the DC controller will identify the condition as an error and as a result will generate the power ...

Page 102: ...ent w Keeping the primary transfer corona current to a specific level e Turning on and off the grid bias Figure 4 104 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 4 5 PTON J114 8B J401 6 13B 1 DC controller PCB Remote circuit GRCONT Comparator circuit AC drive circuit Drive circuit Voltage control circuit Current cortrol ci...

Page 103: ...high voltage transformer turns on transfer charging corona current output When the primary transfer corona current output turns off PTON 1 The remote circuit turns off The AC drive circuit turns off The primary high voltage transformer turns off The transfer high voltage transformer turns off Reference The copier turns on and off the primary and transfer corona currents at the same time The applic...

Page 104: ... circuit to control the primary transfer drive circuit thereby keeping the primary side voltage constant As shown in Figure 4 105 the shielding plate of the primary charging assembly receives the corona current generated by the primary corona wire The high voltage power supply PCB HVT monitors the level of this current at all times if it finds it to be different from the standard value 1 2 kV the ...

Page 105: ...controller generates the GRCONT command analog about 5 V As shown in Figure 4 106 the machine keeps the grid bias at 0 V between sheets of copy paper A and exerts control so that charges will not be placed on the drum by sending primary charging corona current through the grid wire GND Figure 4 106 4 8 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN...

Page 106: ...tor bias fixing bias w Switching the output of the static eliminator bias Figure 4 107 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 4 9 SFON SPCH J114 11B J401 3 10B 4 DC controller PCB Remote circuit Output switching circuit AC drive circuit Voltage control circuit Current control circuit Constant voltage control circuit H...

Page 107: ...read over the image if not remedied To prevent such a problem a positive bias is applied to the fixing roller during copying operation 3 Switching the Output of the Static Eliminating Bias Copy paper comes to possess high resistance once it has moved through the fixing assembly In automatic two sided mode therefore the DC controller PCB generates the static eliminator voltage level switch command ...

Page 108: ...eloping bias e Turning on and off the AC component of the developing bias Figure 4 108 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 4 11 DC drive circuit 7B 6B 8 7 ACON DPON J114 J401 DC controller PCB 12B 2 DCBC Remote circuit Remote circuit Amplifier circuit AC drive circuit AC high voltage transformer DC high voltage tra...

Page 109: ...C drive circuit turns off The DC high voltage transformer turns off As shown in Figure 4 109 the voltage level of the DC component of the developing bias is controlled by varying the voltage of the DCBC command analog generated by the DC controller to suit the setting output from the AE sensor of the Copy Density key The level of the DC voltage generated by the high voltage power supply varies acc...

Page 110: ...bias is off ACON 1 The remote circuit turns off The AC drive circuit turns off The AC high voltage transformer turns off 4 Sequence of Operations developing bias Figure 4 110 Reference The copier allows changing of the copy density manually during continuous copying operation The copy density is determined as soon as the scanning lamp turns on and the new density will be effective for the next cop...

Page 111: ... slide shutter Figure 4 111 4 14 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON DC controller PCB Pre exposure lamp Open Close shutter Blank shutter solenoid SL5 Blank shutter motor M8 Slide shutter rear Size blanking reflecting plate Total blanking reflecting plate Slide shutter front Blank shutter home position sensor PS20 ...

Page 112: ...12 3 Controlling the Slide Shutters The front and rear slide shutters are operated simultaneously by the work of the blank shutter motor M8 When the power is on M8 first rotates the slide shutters to home position then M8 starts to rotate to slide the shutters to a specific position in response to the drive pulses sent from the DC controller according to the reproduction ratio paper size and copyi...

Page 113: ...s to ensure copies free of fogging as long as the original is more or less even in density The DC component controlled in AE mode is indicated in the copy density indicator on the control panel Figure 4 113 4 16 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON center 98mm 3 9 approx 120 mm 4 7 approx 45mm 1 8 approx 27mm 1 1 ap...

Page 114: ...ges in the developing bias occurring in relation to various original densities The graph is based on a degree of exposure which provides optimum density without fogging when a newspaper and the Test Sheet is copied Reference During AE control the copy density varies between F5 and F7 5 possibly preventing an appropriate copy density if the original is considerably dark or light Figure 4 114 CHAPTE...

Page 115: ...curs so that the original is copied at copy density 5 when 402 is executed Note If AE adjustment fails the density indicator LED on the control panel F5 and F9 flash If such occurs make the adjustment once again q When the setting is decreased in service mode the AE copies will be darker w If the setting is increased in service mode the AE copies will be lighter q If the setting is increased in se...

Page 116: ... the cleaner motor M11 When the wire cleaner mount turns on the wire cleaner rear position switch MSW2 located at the rear of the charging assembly the cleaner motor starts to rotate in reverse until it reaches the wire cleaner home position switch MSW1 located at the front of the charging assembly The wire cleaner makes a single round trip in about 30 sec If the switches are not turned on within ...

Page 117: ...U JAPON DC controller PCB Motor driver 2 PCB 13 14 2A 1A CLCCW CLCW CLB CLA J951 1 2 J953 J114 8A 10A J109 Wire cleaner home position signal WCHP Wire cleaner rear position signal WCRP Wire cleaner rear position switch MSW2 Wire cleaner home position switch MSW1 Cleaner motor M11 Wire cleaner mount Wire cleaner Tranfer corona unit ...

Page 118: ...e the drum cleaner container The copier is equipped with a torque limiter in its photosensitive drum drive assembly When an excess load is imposed on the photosensitive drum while the photosensitive drum is rotating as when the case becomes full of waste toner the drive from the main motor will be cut off to stop the rotation of the photosensitive drum Reference The copier does not have a mechanis...

Page 119: ... JAPAN IMPRIME AU JAPON Cleaning blade Drum cleaning assembly Photosensitive drum Blade Torque limiter M1 M4 TS Developing cylinder Screw Cam Hopper motor Stirring rods Toner sensor Main motor main motor driver PCB DC controller PCB toner empty signal TEP hopper motor drive command HMD Hopper assembly Lock Release ...

Page 120: ... TEP goes 1 If the toner absent signal TEP does not go 25 sec after the start of toner supply the DC controller PCB assumes the absence of toner inside the hopper and lights the Add Toner indicator after copying operation max 100 sheets of paper Reference The detecting unit of the toner sensor used inside the developing assembly is of a piezoelectric oscillator type it vibrates at several kHz in t...

Page 121: ...ltage causing the transistors Tr1 and Tr2 to turn off and stopping the hopper motor Since the developing assembly will not be supplied with toner while an error exists in the motor the Add Toner indicator will be indicated Figure 4 203 4 24 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5B 11 HMD J106 J202 8 7 J206 DC control...

Page 122: ... electricity be sure to use the washer when assembling the part 5 A washer is used for some mounting screws for grounding wire varistor to ensure correct electrical continuity be sure to use the washer when assembling the part 6 As a rule do not operate the copier while any of its parts is removed 7 Be sure to turn off the front door switch or the power switch before sliding out the fixing assembl...

Page 123: ...d dry wipe it 2 Orientation of the Scanning Lamp Orient the scanning lamp q so that the protrusion in its middle points in the direction of the arrow direction in which the mirror mount moves in reverse for lengthwise orientation keep the logo mark facing the front Figure 4 303 When installing the scanning lamp avoid touching its surface 4 26 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON I...

Page 124: ... mirror mount e move the mirror mount until it is as indicated Figure 4 305 Whenever you must move the No 1 mirror mount by hand be sure to hold its middle Further do not touch the surface of the lamp and the reflecting cover CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 4 27 q w e Note ...

Page 125: ...mp Assembly 1 Remove the inside left cover 2 Remove the developing assembly and drum unit 3 Disconnect the two connectors q 4 Remove the three screws w and remove the harness retainer e Figure 4 307 4 28 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON t r e w q ...

Page 126: ...s r Figure 4 308 6 Pull out the blank exposure lamp assembly t slowly to the front Figure 4 309 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 4 29 r t ...

Page 127: ...ure upper plate e Figure 4 310 3 Disconnect the two connectors r and remove the blank exposure assembly upper plate t Figure 4 311 4 Remove the three screws y and remove the blank exposure lamp u Figure 4 312 4 30 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON q e q w r t r y y y u ...

Page 128: ...amp 3 Remove the screw q and the spring w then detach the link arm e from the blank shutter Figure 4 313 4 Remove the two screws r and disconnect the connector t then remove the blank shutter solenoid y by lifting it Figure 4 314 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 4 31 q w e t r y ...

Page 129: ...er is moved in the direction of activation When taking measurements take care not to force the shutter with slide calipers After making adjustments check to make sure that the plunger of the solenoid moves smoothly Figure 4 315 Figure 4 316 4 32 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON A ...

Page 130: ... 3 Remove the two screws q and disconnect the connector w then remove the blank shutter motor e by moving it in the direction of the arrow Figure 4 317 6 Routing the Blank Shutter Cable Figure 4 318 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 4 33 q w e q Slide shutter Windtwice Windtwice ...

Page 131: ... connector cover q Figure 4 319 3 Turn the developing assembly releasing lever w counterclockwise to unlock the developing assembly Figure 4 320 4 34 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON q w ...

Page 132: ...emoving the drum unit otherwise the following may occur The registration roller and the transfer guide may interfere with each other the rotation of the registration roller during WMUPR will damage the roller 2 Cleaning If the surface of the photosensitive drum has become soiled wipe it with a flannel cloth not paper lint free or otherwise coated with toner Do not dry wipe or clean with solvent Do...

Page 133: ...copier Exposure to light for some time will cause copies with white spots or black bands 2 Disengage the hook q and remove the primary charging assembly w by pulling it to the front from the drum unit Figure 4 322 Figure 4 323 4 36 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Note q w ...

Page 134: ...ry Transfer Charging Wire a Primary Charging Assembly 1 Remove the primary charging assembly 2 Remove the four tension springs q 2 at front 2 at rear and remove the grid plate w 3 Remove the lid e both front and rear Figure 4 325 4 Go to step 5 under b Transfer Charging Assembly CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON ...

Page 135: ... static eliminator q Figure 4 326 3 Disengage the three hooks w and remove the guide wire retainer e from the charging assembly Figure 4 327 Figure 4 328 4 38 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON q w e ...

Page 136: ...eference To form a loop wind the charging wire around a hex key once and twist the hex key four to five times then twist the charging wire 6 Cut the twisted end of the charging wire excess to 1 mm or less with a nipper Figure 4 330 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 4 39 r r corona wire less than 1mm ...

Page 137: ...f bends or twists and its gold plating has not peeled Make sure that the charging wire is free of slack Make sure that the charging wire is in the V groove of the height adjusting roll 4 40 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 7mm spring ring height adjusting block 2mm ring spring height adjusting block Note ...

Page 138: ... screw located behind the charging assembly A full single turn of the screw raises or lowers the charging wire by about 0 7 mm Figure 4 334 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 4 41 2 8 7 1 4 10 11 13 3 5 6 9 12 B A A B Corona Unit Height of Standard Position Primary A 10 6 0 3 mm B 9 5 0 2 mm Transfer ...

Page 139: ... Figure 4 335 3 Remove the connector w 4 Turn the developing assembly releasing lever e counterclockwise to unlock 5 Pull out the developing assembly r slowly to the front Figure 4 336 4 42 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON q r e w ...

Page 140: ...our out the toner from the developing assembly 4 Remove the two screws e and remove the blade r together with the mount Figure 4 338 The blade must be mounted with high accuracy Do not remove it on its own in the field Rather remove it together with its mount CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 4 43 q q w e r e Not...

Page 141: ... Do not remove it on its own in the field Rather remove it together with its mount 3 Remove the screw q and remove the fromt cover w Figure 4 339 4 Remove the screw e and remove the electrode positioning plate r Figure 4 340 4 44 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Note q w e r ...

Page 142: ...and remove the gear mount i Figure 4 342 7 Remove the two E rings and remove the gear o and the gear 0 Remove the two screws and remove the butting roll 1 and the roll case 2 Figure 4 343 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 4 45 t y i u u 0 o 1 2 ...

Page 143: ...ng cylinder 3 Figure 4 344 9 Remove the magnetic seal 4 both ends Figure 4 345 Figure 4 346 4 46 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 3 4 4 ...

Page 144: ...ifferent in shape between front and rear Check to make sure that the magnetic seal and the case are in contact Figure 4 347 3 Install all parts except the blade and the developing assembly cover CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 4 47 w q w q rear front Magnetic seal Opening butting reference ...

Page 145: ...he screw while pushing on section A Figure 4 348 Reference S B is adjusted to 230 30 µm 5 Installing the Electrode Positioning Plate Install the electrode positioning plate while orienting it as shown in Figure 4 349 Figure 4 349 4 48 CHAPTER 4 IMAGE FORMATION SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON q A A Cylinder shaft Electrode positioning pl...

Page 146: ...ISTRATION CLUTCH 5 16 V TWO SIDED COPYING 5 18 A Making Two Sided Copies 5 18 B Lower Feeding Assembly 5 20 C Horizontal Registration 5 30 VI DETECTING JAMS 5 34 A Outline 5 34 VII DISASSEMBLY AND ASSEMBLY 5 45 A Pick Up Assembly 5 46 B Multifeeder Assembly 5 56 C Registration Roller Assembly 5 60 D Feeding Assembly 5 62 E Lower Feeding Assembly 5 68 This chapter describes the outline of the purpo...

Page 147: ...ding assembly by a paper detecting plate for copying on both sides As many as eight sensors Table 5 101 are used to monitor the movement of copy paper checking for jams and other errors Figure 5 101 CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 1 PS11 PS12 PS13 PS10 PS14 PS7 PS9 PS8 Delivery roller 2 Delivery roller 1 Fixi...

Page 148: ...D IN JAPAN IMPRIME AU JAPON No Name PS7 Vertical path roller 1 paper sensor PS8 Vertical path roller 2 paper sensor PS9 Pre registration paper sensor PS10 Separation sensor PS11 Delivery sensor PS12 Lower feeder inlet paper sensor PS13 Lower feeder outlet paper sensor PS14 Horizontal registration paper sensor ...

Page 149: ...turns on so that the pick up roller leaves the copy paper The feeding roller and the separation roller make sure that only one sheet of copy paper is picked up and sent to the feeding assembly thereafter the vertical path roller moves the copy paper as far as the registration roller The registration roller controls the copy paper so that its leading edge matches the image on the photosensitive dru...

Page 150: ...mmand C1PUCD Vertical path roller 1 drive command VR1CD Registration clutch drive command RGCD Cassette 2 pick up release solenoid drive command C2RSD Cassette 2 pick up clutch drive command C2PUCD Vertical path roller 2 clutch drive command VR2CD Main motor M1 CL1 CL5 CL6 CL3 SL1 SL2 Photosensitive drum Registration roller Vertical path roller 1 Vertical path roller 2 DC controller PCB Vertical p...

Page 151: ...n sensor PS1 Vertical path roller 1 clutch CL5 Pre registration paper sensor PS9 Registration clutch CL1 Scanning motor M2 SCRV SCRV LSTR SCFW SCFW INTR STBY ON COPY START key Forward Reverse Main motor M1 Forward Scanning motor M2 Cassette 2 pick up clutch CL3 Cassette 2 pick up release solenoid SL2 Vertical path roller 2 paper sensor PS8 Vertical path roller 2 clutch CL6 Vertical path roller 1 p...

Page 152: ...r When the cassette runs out of copy paper and the paper detection roll mounted to the pick up roller shaft falls and as a result the paper detecting lever leaves the paper sensor PS2 PS4 the Add Paper indicator will be lighted on the control panel Figure 5 204 Figure 5 205 5 6 CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON P...

Page 153: ...INTED IN JAPAN IMPRIME AU JAPON 5 7 Feeding rollers Separation roller Pick up roller Lifter detecting lever light blocking plate Lifter sensor PS3 PS5 Pick up roller arm Paper detecting roll Pick up roller Copy paper Lifter Paper sensor PS2 PS4 Paper detecting lever M1 M Main motor Lifter motor M9 M10 ...

Page 154: ...adjusting the guide plate to the size of paper to be used 2 Identifying the Size of Copy Paper The copy paper length sensor uses two photointerrupters and the length of copy paper is identified based on combinations of the outputs from these two photointerrupters On the other hand the copy paper width sensor uses variable resistors and the paper width is identified in reference to the resistance g...

Page 155: ...5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 9 Width guide front Width guide rear Paper width detecting VR Paper length sensor unit Length guide Cassette ...

Page 156: ... the copy size width is correctly set Note that this information is not disclosed to the user For G1 through G4 see Table 5 203 Table 5 201 5 10 CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Marking Name Remarks A STMT R B A5 R C B5 R D KLGL R E GLTR R F G LGL G3 G A4 R H LGL LTR R I FLSC G2 J B4 B5 K G LTR G1 L 279mm 432mm ...

Page 157: ...ING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 11 Paper length sensor PS102 PS104 SZ 2 0 PS101 PS103 SZ 1 0 Signal ON OFF A4 G4 G1 B5 STMT A5 G LTRR K LGLR B5R A5R STMTR PS102 PS104 SZ 2 0 PS101 PS103 SZ 1 1 LTRR A4R PS102 PS104 SZ 2 1 PS101 PS103 SZ 1 0 A3 B4 LGL PS102 PS104 SZ 2 1 PS101 PS103 SZ 1 1 G2 G3 Paper width sensor slide level unit mm...

Page 158: ...1 432 1 LETTER R LTRR 216 1 297 1 LETTER LTR 297 1 216 1 STATEMENT STMT 216 1 139 5 1 STATEMENT R STMTR 139 5 1 216 1 LEGAL LGL 216 1 356 1 KOREAN LEGAL K LGL 265 1 190 1 KOREAN LEGAL R K LGLR 190 1 265 1 FOOLSCAP FLSC 216 1 330 1 AUSTRALIAN FOOLSCAP A FLS 206 1 337 1 OFICIO OFI 216 1 317 1 EQUADORAN OFICIO E OFI 220 1 320 1 BOLIVIA OFICIO B OFI 216 1 355 1 ARGENTINE LETTER A LTR 280 1 220 1 ARGEN...

Page 159: ... pick up clutch CL4 to rotate the pick up roller The pick up roller and the separation pad serve to make sure that only one sheet of copy paper is picked up and sent to the registration roller This series of operations is executed for each pick up operation Figure 5 301 CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 13 Main...

Page 160: ...ted in this way is used to control blank exposure further the length of copy paper when the multifeeder is used is identified in reference to the period during which the pre registration paper sensor PS9 remains on Figure 5 302 5 14 CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Slide guide rear Multifeeder tray Slide guide f...

Page 161: ...0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 15 Main motor M1 Registration clutch CL1 Scanning motor M2 Multifeeder paper sensor PS6 Multifeeder pick up solenoid SL3 Multifeeder pick up clutch CL4 Pre registration paper sensor PS9 Scanner home position sensor PS1 SCFW SCFW SCRV SCRV LSTR INTR STBY ON COPY START key Forward Reverse ...

Page 162: ...ed mode one sided original one sided copy copying on 1st side copying on 2nd side copying on 1st side copying on 2nd side copying on 1st side copying on 2nd side copying on 1st side left copying on 2nd side right copying on 1st side left copying on 2nd side right Copy paper timing B A B A B B B B B A B Shift mm May be between 1 and 20 mm figures assume a shift of 5 mm Copy paper on copy tray one s...

Page 163: ...EDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 17 Copy paper ahead of image on drum Copy paper behind image on drum Copy paper A Image on drum Image on drum Drum Copy paper B Drum ...

Page 164: ...ving the copy paper to the lower feeding assembly Upon arrival inside the lower feeding assembly sheets of copy paper are stacked in a staggered pattern Figure 5 501 5 18 CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Delivery roller 2 Delivery roller 1 DC controller PCB Main motor Lower feeder inlet roller Delivery motor M6 ...

Page 165: ...roller 2 starts to rotate in reverse to move part of it to the inside of the copier Figure 5 503 3 Once inside the machine the copy paper is moved to the lower feeding assembly by the work of the delivery roller 2 and the lower feeding inlet roller Figure 5 504 CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 19 Delivery roll...

Page 166: ... Copy Paper Size A3 11 x 17 to B5 STMT 2 Number of Sheets stack 20 sheets A4 LTR G LTR K LGL B5 A5 STMT 1 sheet A3 11 x 17 B4 LGL B OFFI A OFFI A LGL AUS FLS FOOLSCAP FOLIO G LGL E OFFI OFFICIO A4R A LTRR LTRR K LGLR G LTRR B5R A LTR A5R STMTR Figure 5 505 5 20 CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Lower feeder flapp...

Page 167: ...livery motor Set back roller 1 Set back roller 2 Lower feeder outlet roller Lower feeder flapper Lower feeder motor Horizontal registration roller M6 M7 M1 CL7 CL8 DC controller PCB SL6 Lower feeder inlet roller Lower feeder flapper solenoid drive command LFSD Lower feeder outlet clutch drive command LFCD Horizontal registration clutch drive command HRCD ...

Page 168: ... the lower feeder inlet paper sensor PS12 Figure 5 508 Reference If a large number of copies are made its leading edge would reach the lower feeding assembly outlet roller assembly when its trailing edge is moved away from PS12 this problem is solved by changing the path of the paper by lowering the lower feeder flapper 5 22 CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 RE...

Page 169: ...509 4 The second copy paper is moved to the lower feeding assembly Figure 5 510 5 The leading edge of the second copy paper is made to arch by the set back roller 1 Figure 5 511 CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 23 8mm PS12 Set back roller 1 PS12 2nd copy paper PS12 Set back roller 1 ...

Page 170: ...ensor PS12 Figure 5 512 7 The set back rollers 1 and 2 rotate in reverse The copy paper is then stopped when the distance between its leading edge and the set back roller 1 is 8 mm Figure 5 513 5 24 CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON PS12 Set back roller 1 Set back roller 2 8mm Set back roller 1 PS12 ...

Page 171: ...nd 2 are rotated in reverse at half speed and the first copy paper is stopped when it has moved past the lower feeder outlet paper sensor PS13 Figure 5 515 Reference If only one paper can be feeded on the lower feeding assmbly because of the copy paper seze the copy paper is feeded the position 5 mm before the lower feeder outlet roller after feeded to the lower feeding assembly CHAPTER 5 PICK UP ...

Page 172: ... CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Main motor M1 Delivery motor M6 Delivery sensor PS11 Lower feeder motor M7 Lower feeder inlet paper sensor PS12 Lower feeder outlet paper sensor PS13 Lower feeder flapper solenoid SL6 Half speed SCFW SCRV SCFW SCRV LSTR STBY CW rotation CCW rotation ...

Page 173: ...s lowered and at the same time the lower feeder outlet roller start to rotate Figure 5 518 3 The set back rollers 1 and 2 and the lower feeding assembly outlet roller rotate to separate the first copy paper from the subsequent copy papers Figure 5 519 CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 27 Set back roller 1 Set b...

Page 174: ...he second copy paper is started as soon as the first copy paper turns on the pre registration paper sensor PS9 Figure 5 521 5 28 CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Lower feeder flapper Lower feeder outlet paper sensor PS13 Lower feeder outlet roller Set back roller 2 Set back roller 1 Pre registration paper sensor...

Page 175: ...E AU JAPON 5 29 Scanner motor M2 Lower feeder motor M7 Registration clutch CL1 Lower feeder outlet paper sensor PS13 Lower feeder outlet clutch CL7 Horizontal registration paper sensor PS14 Horizontal registration clutch CL8 Pre registration paper sensor PS9 Lower feeder flapper solenoid SL6 SCRV SCRV LSTR SCFW SCFW INTR STBY ON 2nd COPY START key Forward Forward Reverse Reverse ...

Page 176: ...feeding path Figure 5 523 5 30 CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON M1 CL8 Horizontal registration clutch Main motor Horizontal registration paper edge sensor PS16 Horizontal registration roller Horizontal registration roller home position sensor PS15 Horizontal registration solenoid SL7 Horizontal registration moto...

Page 177: ...vious position if a different size paper is used Figure 5 524 2 When the Copy Start key is pressed for the second side copy the horizontal registration motor M5 starts to rotate to move the horizontal registration roller to home position The home position of the horizontal registration roller is where the actuator has moved past the horizontal registration roller home position sensor PS15 Figure 5...

Page 178: ...copy paper the horizontal registration motor M5 is rotated to move the roller until PS16 detects paper The horizontal registration roller moves to a point where paper has moved PS16 Figure 5 526 5 Steps 1 through 4 are repeated up to the last copy 5 32 CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Copy paper Horizontal regis...

Page 179: ...n clutch CL1 Horizontal registration clutch CL8 Horizontal registration motor M5 Horizontal registration paper sensor PS14 Pre registration paper sensor PS9 Horizontal registration paper edge sensor PS16 Horizontal registration roller home position sensor PS15 SCRV SCRV LSTR SCFW SCFW INTR STBY ON 2nd COPY START key roller moves in the rear direction roller moves in the front direction ...

Page 180: ...er the remaining number of copies to make at time of a jam and the effective copying mode even after the power is turned OFF for jam removal The microprocessor possesses the following sequences of jam detection it assumes the presence of a jam also when any of the sensors detests copy paper at power on When a jam is detected power to the fixing heater H1 H2 will be cut off and the copier operation...

Page 181: ...Figure 5 601 CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 35 PS11 PS12 PS13 PS10 PS14 PS7 PS9 PS8 ...

Page 182: ... w Pick Up Delay Jam Cassette 2 Figure 5 603 Main motor M1 Jam check Vertical path roller 1 paper sensor PS7 Cassette 1 pick up clutch CL2 SCFW SCRV INTR ON Jam indicator Copy Start key Error 0 648sec Normal Main motor M1 Jam check Vertical path roller 2 paper sensor PS8 Cassette 2 pick up clutch CL3 SCFW SCRV INTR ON Jam indicator Copy Start key Normal Error 0 648sec ...

Page 183: ...n motor M1 Jam check Pre registration paper sensor PS9 Multifeeder pick up clutch CL4 SCFW SCRV INTR ON Jam indicator Copy Start key Error 0 945sec Normal Main motor M1 Jam check Vertical path roller paper sensor 1 SCFW SCFW SCRV INTR ON Jam indicator Copy Start key Error Ι Normal Vertical path roller 1 paper sensor PS7 Vertical path roller 2 paper sensor PS8 Varies according to paper length EX A4...

Page 184: ...606 y Registration Sensor Stationary Jam Figure 5 607 Main motor M1 Jam check Pre registration paper sensor PS9 Vertical path roller 1 clutch CL5 SCFW SCFW SCRV INTR ON Jam indicator Copy Start key Error 0 919sec Normal Main motor M1 Jam check Pre registration paper sensor PS9 SCFW SCFW SCRV SCRV INTR ON Jam indicator Copy Start key Error Ι Normal Varies according to paper length EX A4 1 343sec Ι ...

Page 185: ...r Delay Jam Figure 5 608 i Separation Sensor Stationary Jam Figure 5 609 Main motor M1 Jam check Separation sensor PS10 Registration clutch CL1 SCFW SCFW SCRV SCRV Jam indicator 0 628sec Normal Error Main motor M1 Jam check Separation sensor PS10 SCFW SCFW SCRV SCRV Jam indicator Error Ι Normal Varies according to paper length EX A4 1 593sec Ι ...

Page 186: ...elay Jam Figure 5 610 0 Delivery Sensor Stationary Jam Figure 5 611 Main motor M1 Jam check Delivery sensor PS11 Separation sensor PS10 SCFW SCFW LSTR SCRV SCRV Jam indicator Normal Error 1 967sec Main motor M1 Delivery sensor PS11 Jam check SCRV SCFW SCFW SCFW SCRV Jam indicator Normal Error Ι Varies according to paper length EX A4 1 421sec Ι ...

Page 187: ...r Normal Forward Error Ι Reverse The copy paper size is set so that the 20 sheets can be feeded on the lower feeding assembly Ι 0 473sec The copy paper size is set so that only one sheet can be feeded on the lower feeding assembly Ι 0 946sec Main motor Jam check Lower feeder inlet paper sensor PS12 SCRV SCFW SCFW SCRV Jam indicator Normal Error Ι The copy paper size is set so that the 20 sheets ca...

Page 188: ... 615 Main motor M1 Lower feeder motor M7 Jam check Lower feeder outlet paper sensor PS13 LSTR Jam indicator Forward 1 24sec Reverse Error Main motor M1 Lower feeder motor M7 Jam check Lower feeder outlet paper sensor PS13 SCRV SCFW SCFW SCRV Jam indicator Normal Forward Error Ι Reverse Varies according to number of stack sheet Ι but not detect a jam when copying more than 5 sheets of copy paper 1 ...

Page 189: ...17 5 sheets of copy paper 0 444sec Main motor M1 Lower feeder motor M7 Jam check Lower feeder outlet paper sensor PS13 SCRV SCFW SCFW SCRV Jam indicator Forward Ι Reverse Varies according to number of stack sheet Ι 10 sheets of copy paper 0 814sec 20 sheets of copy paper 1 702sec Error Normal Main motor M1 Lower feeder motor M7 Jam check Lower feeder outlet paper sensor PS13 SCFW INTR SCRV Jam ind...

Page 190: ...rizontal Registration Paper Sensor Stationary Jam Figure 5 619 Main motor M1 Lower feeder flapper solenoid SL6 Jam check Horizontal registration paper sensor PS14 SCRV SCFW SCFW SCFW SCRV Jam indicator 0 984sec Normal Error Main motor M1 Horizontal registration paper sensor PS14 Jam check SCFW SCFW SCFW SCRV SCRV Jam indicator Error Ι Normal Varies according to paper length EX A4 1 33sec Ι ...

Page 191: ...mble the parts by reversing the steps given to disassemble them 3 Identify each screw by type length diameter and location 4 A washer is used for two of the mounting screws on the rear cover to protect against static electricity be sure to use the washer when assembling the part 5 A washer is used for some mounting screws for grounding wire varistor to ensure correct electrical continuity be sure ...

Page 192: ... 1997 PRINTED IN JAPAN IMPRIME AU JAPON A Pick Up Assembly 1 Construction q Vertical path roller clutch w Pick up clutch e Pick up release solenoid Figure 5 701 q Pick up roller w Separation roller e Feeding roller r Vertical path roller Figure 5 702 q q w w e e 1 2 3 4 r w q w e q r e ...

Page 193: ...move the multifeeder inside cover and the right cover 3 Remove the front right cover 4 Disconnect the two connectors q of the lifter motor 5 Remove the four screws w and remove the cassette lifter motor assembly e Figure 5 703 6 If a pedestal is used open the pedestal right door remove the screw r and the leaf spring t and shift the registration guide y to the outside Figure 5 704 w e q w e q t r ...

Page 194: ...ssembly 8 Remove the seven screws i and remove the pick up assembly o Figure 5 705 Be sure to hold the pick up assembly side plates whenever you are installing or removing the pick up assembly 3 Removing the Pick Up Roller 1 Remove the pick up assembly 2 Remove the stop ring plastic q and pull out the pick up roller w together with its collar Figure 5 706 i i i i u o Note w q ...

Page 195: ... is toward the front of the copier The pick up rollers are identified by color as follows If brass use it for the front If silver use it for the rear Figure 5 707 Do not separate the rubber portion of the pick up roller from the collar 5 Removing the Feeding Roller 1 Remove the pick up roller 2 Remove the pick up roller from the front and the rear 3 Remove the screw q and remove the pick up roller...

Page 196: ...tor r and the stop ring t of the feeding roller then pull out the pick up roller unit y and the feeding roller u at the same time Figure 5 709 Reference Whenever installing the feeding roller q to the pick up assembly be sure so that the gear w attached to the feeding roller is toward the rear of the copier Figure 5 710 u t y r w q front of copier ...

Page 197: ...ller 1 Remove the pick up assembly 2 Remove the right door 3 Remove the screw q and remove the pick up inlet guide w Figure 5 711 4 Free the spring e from the hook one side 5 Remove the two stop rings r both right and left Figure 5 712 6 Remove the two screws t and the vertical path guide y then disconnect the connector u Figure 5 713 r e r t t u y w q ...

Page 198: ...op ring i and the support shaft o 8 Remove the separation roller unit 0 Figure 5 714 9 Pull out the separation roller shaft and remove the separation roller Reference Whenever installing the separation roller q to the pick up assembly be sure so that the D cut will be toward the front of the copier Figure 5 715 q rear front of copier o 0 i ...

Page 199: ...eparation roller q If double feeding occurs hook the spring on the side of A w If pick up failure occurs hook the spring on the side of B Figure 5 716 8 Positioning the Pick Up Assembly Pick Up Roller Releasing Solenoid SL1 SL2 Install the solenoid so that the pick up roller arm q shown in Figure 5 717 butts against the upper stay w when the plunger of the solenoid is pushed in Figure 5 717 q w Bu...

Page 200: ... 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 9 Releasing the Lifter If the lifter is up push the lifter releasing arm q to lower it Figure 5 718 q ...

Page 201: ... JAPON 5 55 10 Adjusting the Registration left right 1 Loosen the screw q and adjust the position of the cassette hook plate w so that the reading is 0 1 5mm Figure 5 719 Figure 5 720 2 After adjustment register the paper width basic value for the cassette you have adjusted See Chapter 11 q w 0 1 5mm 0 2 4 6 8 10 ...

Page 202: ...bly 1 Remove the multifeeder inside cover and the right cover 2 Disconnect the connector q 3 Remove the four screws w and remove the multifeeder assembly e Figure 5 721 2 Removing the Multifeeder Pick Up Roller Separation Pad 1 Remove the multifeeder assembly 2 Remove the stop ring q 3 While pushing down the separation pad w remove the pick up roller e Figure 5 722 q w w e w q e ...

Page 203: ...TED IN JAPAN IMPRIME AU JAPON 5 57 4 Raise the multifeeder tray 5 Remove the screw r and remove the separation pad assembly t Figure 5 723 Reference When installing the multifeeder pick up roller q be sure that the cross on the collar w is toward the rear Figure 5 724 r t w q front of copier ...

Page 204: ...uring pick up change the position of the separation pad q If double feeding occurs move the position of the spring holder q toward B w If pick up failure occurs move the position of the spring holder q toward A Figure 5 725 4 Adjusting the Left Right Registration If the left right registration is wrong when pick up occurs in the multifeeder loosen the screws q and adjust the position of the tray F...

Page 205: ...the claw of the control ring the paper guide plate and the paper guide plate cam are as shown in Figure 5 727 Figure 5 727 6 Routing the Timing Belt multifeeder assembly Butt the rack plate of the multifeeder against section A open condition Move the slide volume in the direction of B and attach the timing belt on the pulley Figure 5 728 Paper guide plate 26T gear 1 Control ring Paper guide plate ...

Page 206: ...ller 1 Remove the developing assembly and the drum unit 2 Remove the inside left cover and the inside right cover 3 Release the feeding assembly 4 Remove the transfer charging assembly 5 Remove the main drive assembly See p 7 19 6 Remove the screw q and disconnect the connector w Figure 5 729 7 Remove the screw e and the bushing r then remove the transfer guide t Figure 5 730 q w t r e ...

Page 207: ...C CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 61 8 Remove the shaft retaining spring y two E rings u and two bushings i both front and rear Figure 5 731 Figure 5 732 9 Remove the registration roller o Figure 5 733 i u y front u y i rear o ...

Page 208: ...APAN IMPRIME AU JAPON D Feeding Assembly 1 Removing the Feeding Assembly 1 Remove the drum unit and the developing assembly 2 Remove the fixing assembly 3 Pull out the pin q and remove the lower feeding assembly lever w Figure 5 734 4 Remove the screw e and disconnect the connector r Figure 5 735 w q e r ...

Page 209: ...tention to the spring at the rear of the feeding assembly slide out the feeding assembly t to the front Figure 5 736 2 Removing the Feeding Belt 1 Remove the feeding assembly 2 Remove the transfer charging assembly 3 Remove the two screws q and remove the support w bushing e gear r and four fastons t Figure 5 737 Figure 5 738 t q w e q t r t ...

Page 210: ... INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 3 Disconnect the connector y and disengage the hook u then remove the cleaning motor assembly i Figure 5 739 4 Remove the three screws o and remove the electrode mount 0 Figure 5 740 i u y o 0 ...

Page 211: ...INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 65 5 Remove the screw 1 and remove the corona unit rail 2 Figure 5 741 6 Disengage the hook 3 and remove the air duct 4 7 Remove the E ring 5 and remove the gear 6 Figure 5 742 2 1 5 6 3 4 ...

Page 212: ... CHAPTER 5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 8 Remove the four rolls 7 Figure 5 743 9 Remove the feeding belt 8 Figure 5 744 7 7 8 ...

Page 213: ...GHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 67 3 Removing the Feeding Fan 1 Remove the feeding belt 2 Disconnect the connector q and disengage the hook w then remove the feeding fan e Figure 5 745 q w e ...

Page 214: ...wer Feeding Assembly 1 Removing the Lower Feeding Assembly 1 Slide out the cassette 1 2 Remove the inside left cover and the inside right cover 3 Remove the four connectors q and remove the four screws w then remove the horizontal registration motor assembly e Figure 5 746 4 Disconnect the connector r Figure 5 747 w q w q w q e r ...

Page 215: ...5 PICK UP FEEDING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 69 5 Remove the two screws t Figure 5 748 6 Remove the lower feeding assembly y Figure 5 749 t y ...

Page 216: ... attached follow the instructions below 1 Make sure that a sheet is on the lower plate of the lower feeding assembly If there is no sheet on it fix the sheet on the plate using a screwdriver Figure 5 750 2 Make sure that part of the plate of the lower feeding inlet assembly is on the upper plate of the lower feeding assembly Figure 5 751 Sheet Screwdriver plate of the lower feeding inlet assembly ...

Page 217: ...0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 71 3 Removing the Set Back Roller 1 Remove the lower feeding assembly 2 Remove the E ring q and the bushing w Figure 5 752 3 Remove the gear e parallel pin r and bushing t then remove the set back roller y Figure 5 753 w q y t r e ...

Page 218: ...REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 4 Removing the Lower Feeder Outlet Roller 1 Remove the lower feeding assembly 2 Remove the gear q parallel pin w and bushing e Figure 5 754 3 Remove the bushing r and remove the lower feeder outlet roller t Figure 5 755 e w q t r ...

Page 219: ...T 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 73 5 Removing the Lower Feeder Inlet Roller 1 Remove the fixing assembly 2 Remove the E ring q and the bushing w and the spring e Figure 5 756 Figure 5 757 q w e ...

Page 220: ... MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 3 Disconnect the connector e remove the E ring r spacer t two gears y and bushing u then remove the lower feeder inlet assembly i Figure 5 758 4 Remove the bushing o then remove the lower feeder inlet roller 0 Figure 5 759 r t u i e y o 0 ...

Page 221: ...perature of the Fixing Roller continuous copying 6 3 C Protection Mechanism 6 5 D Driving the Cleaning Belt 6 7 III DELIVERY ASSEMBLY 6 8 A Outline 6 8 B Controlling the Delivery Motor 6 9 IV DISASSEMBLY AND ASSEMBLY 6 11 A Fixing Assembly 6 11 B Delivery Assembly 6 30 This chapter describes the outline of the purposes roles and operations of fixing toner on a paper the relationship between electr...

Page 222: ...trol temperature and the area of heating during copying are varied according to the following Copy paper size width Number of copies continuous copying Figure 6 101 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 6 1 SSR Thermistor TH1 Thermoswitch TSW H1 H2 Cleaning belt Fixing roller Cleaning belt guide plate Delivery roller 1 Delive...

Page 223: ...stics Figure 6 201 The surface temperature of the fixing roller is maintained even by varying the period in which these two heaters are turned ON while at the same time preventing overheating of the ends q Main heater H1 thermal distribution w Sub heater H2 thermal distribution e Upper fixing roller external view Figure 6 201 6 2 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 ...

Page 224: ...sed to heat the area of contact with copy paper edge heating for wide copy paper moving through the fixing assembly The period of activation of the sub heater is decreased for narrow copy paper thereby preventing increase in temperature in areas not coming into contact with paper When the multi feeder is used on the other hand such control in relation to paper width is only in response to an input...

Page 225: ...for 1 sec alternately Figure 6 202 4 Controlling the temperature during Pre heat mode This copier alters the control temperature for the fixing assembly in the Pre heat mode according to the setting in the user mode The following is the control temperature for the fixing assembly for each setting in the user mode Reference In the Auto energy saver mode the control temperature for the fixing assemb...

Page 226: ...xing roller as detected by the thermistor TH1 exceeds 220 C for some reason the error auto power off signal PWOFF is generated to turn off the power switch Table 6 202 shows the relation between the surface temperature of fixing roller and the voltage of thermistor The voltage is theory value Table 6 202 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN ...

Page 227: ...of the thermal switch TSW1 exceeds about 208 C the thermal switch turns OFF to cut off the power to the fixing heater If the thermal switch turns OFF the error auto power off signal PWOFF will be generated in about 1 5 sec to turn off the power switch Reference Once its contact opens the thermal switch TSW1 will not return to normal even at ambient temperature It may be used once again by cooling ...

Page 228: ...aration sensor PS10 the number of times the solenoid is turned ON further varies according to the length of copy paper Figure 6 203 The DC controller keeps count of the activation of the cleaning belt solenoid and issues E005 when the count reaches 250 000 The count can be cleared by resetting the cleaning belt counter 619 in service mode for details see Chapter 11 Service Mode CHAPTER 6 FIXING SY...

Page 229: ... rollers 1 and 2 when the delivery roller 2 rotates in reverse and the paper reverses its leading edge butts against the sheet causing the paper to move toward the lower feeding assembly inlet Figure 6 301 6 8 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Copy paper Copy paper Delivery roller 1 Delivery roller 2 Main motor Reverse De...

Page 230: ...PCB and are used to control the direction and the speed of rotation of the delivery motor Figure 6 302 is a block diagram showing the circuit used to control the delivery motor Figure 6 302 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 6 9 14A 5A 13A 2 1 10 DMI1 DMD DMI2 6A 9 DMRON 7A 8 DMCLK J114 J951 DC controller PCB Motor driver ...

Page 231: ...ollows according to mode of delivery reversal and the length of copy paper For delivery 180 mm sec For reversal 360 mm sec for copy paper 216 mm or less in feeding direction 180 mm sec fro copy paper in excess of 216 mm in feeding direction d Controlling the Drive Torque of the Motor The drive torque of the motor varies according to the level of the drive current and the level of the drive current...

Page 232: ...st static electricity be sure to use the washer when assembling the part 5 A washer is used for some mounting screws for grounding wire varistor to ensure correct electrical continuity be sure to use the washer when assembling the part 6 As a rule do not operate the copier while any of its parts is removed 7 Be sure to turn off the front door switch or the power switch before sliding out the fixin...

Page 233: ...the screw q and remove the fixing assembly knob w Figure 6 402 3 Open the delivery assembly 4 Remove the screw e and remove the connector cover r Figure 6 403 6 12 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON q w e r ...

Page 234: ... the three connectors t 6 Remove the two screws y and remove the gear unit u Figure 6 404 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 6 13 y u y t ...

Page 235: ...o in the direction of delivery Figure 6 406 When removing the fixing assembly take care not to damage the lower feeder inlet roller 6 14 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON i o i Note ...

Page 236: ...flat blade screwdriver e into the stop plate r then release the pressure on the fixing cleaning belt Figure 6 408 4 Turn the cleaning belt setting shaft t of the fixing cleaner assembly clockwise and remove the fixing cleaning belt y Figure 6 409 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 6 15 w q e r t y ...

Page 237: ...m slack and wrinkling After installing the fixing cleaning belt insert a flatblade screwdriver in the fixing cleaning belt drive shaft and turn it counterclockwise until the cleaning belt is free of slack Figure 6 410 Reference The fixing cleaner assembly is located above the fixing assembly and is used to clean the surface of the upper roller by keeping the cleaning belt impregnated with silicone...

Page 238: ...sheet has to be replaced at the same time 1 Remove the fixing assembly 2 Replace the oil sheet front and rear Figure 6 411 Figure 6 412 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 6 17 Oil sheet Oil sheet ...

Page 239: ...g cleaner assembly w Figure 6 413 3 Remove the cord cover e from the thermal switch assembly Figure 6 414 4 Pull out the two fastons r of the heater left when viewing the thermal switch Figure 6 415 6 18 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON w q e r ...

Page 240: ...out the faston y from the bottom of the fixing assembly 7 Remove the screw u and remove the round terminal i Figure 6 417 8 Remove the screw o and remove the two cord covers 0 Figure 6 418 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 6 19 t y u i 0 o 0 ...

Page 241: ...ve the screw 3 and remove the heater mount front 4 Figure 6 420 11 Remove the two screws 5 and remove the plate 6 and the heater mount rear 7 Figure 6 421 6 20 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 1 2 3 4 5 6 7 5 ...

Page 242: ...ing cleaner assembly 3 Remove the fixing heater 4 Remove the screw q and remove the thermistor mount w 5 Remove the two screws e and remove the thermal switch mount r 6 Remove the paper guide t from the fixing assembly Figure 6 423 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 6 21 8 e r e w q t ...

Page 243: ...gear u at the front Figure 6 424 8 Remove the C ring i varistor ring o and gear 0 at the rear Figure 6 425 6 22 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON u y i o 0 ...

Page 244: ...w hole 3 both sides and release the lower roller Figure 6 426 10 Remove the screw 4 11 Remove the bearing 5 and the insulating bush 6 Figure 6 427 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 6 23 1 2 3 4 5 6 ...

Page 245: ...g roller 7 to the front Figure 6 428 13 Lift the lower fixing roller 8 together with the bearing Figure 6 429 6 24 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 7 8 ...

Page 246: ...its surface against dirt and scratches w Orient the insulting bush as shown Figure 6 430 e Orient the upper fixing roller so that its side with the longer bushing A is toward the rear Figure 6 431 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 6 25 Rear plate Insulating bushes Front plate A front rear ...

Page 247: ...e main heater both sides are fastons Main Heater Figure 6 432 The side with the longer lead wire q is toward the front of the copier Sub Heater Figure 6 433 The round terminal is toward the rear The faston is toward the front e Insert the main heater on the right side pick up side and the sub heater on the left side delivery side while viewing the fixing assembly from the front of the fixing assem...

Page 248: ...e copyboard cover 3 Select 403 in nip measurement mode of service mode 4 4 Press the OK key The multifeeder picks up the paper allowing you to take measurements as shown in Figure 6 435 The paper will then be discharged Reference The paper will be stopped between the fixing rollers and then discharged about 10 sec later 5 Measure the nip CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP633...

Page 249: ...ot adjust the position of the thermistor If the contact is not even suspect deformation of the thermistor spring Figure 6 436 11 Installing the Thermal Switch Check to make sure that the detecting face of the thermal switch is in even contact with the upper fixing roller Reference You need not adjust the position of the thermal switch If the contact is not even suspect deformation of the thermal s...

Page 250: ...emoved the paper guide If you loosened the screw for some reason be sure to adjust the position with reference to the notch on the fixing assembly mount 13 Positioning the Cleaning Belt Solenoid Install the solenoid so that the solenoid arm w butts against a when the plunger q of the cleaning belt solenoid is pushed by a finger Figure 6 438 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP...

Page 251: ...Assembly 1 Open the front door 2 Open the delivery assembly 3 Remove the screw q and remove the connector cover w Figure 6 439 6 30 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON q w ...

Page 252: ...ect the two connectors e and remove the grounding wire fixing screw r 5 Remove the wire t front hook rear screw 6 Remove the screw y and remove the support plate u then remove the delivery assembly i Figure 6 440 Figure 6 441 When removing the wire fixing screw front be sure to support the delivery assembly t e r y i u t Note ...

Page 253: ...and remove the upper separation claw unit r Figure 6 443 4 Remove the spring t and remove the upper separation claws y Figure 6 444 When installing the upper separation claw unit be sure to do so while forcing it toward the front 6 32 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON r e t y Note w q ...

Page 254: ...the lower separation claws 3 Remove the two screws w and remove the lower separation claw support plate e Figure 6 445 4 Remove the four lower separation claws r Figure 6 446 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 6 33 e w e q r ...

Page 255: ...CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 4 Removing the Delivery Motor 1 Open the delivery assembly 2 Remove the screw q and remove the connector cover w Figure 6 447 3 Disconnect the connector e Figure 6 448 q w e ...

Page 256: ...ve the two screws y and remove the harness cover u Figure 6 449 6 Remove the two screws i and remove the delivery motor o Figure 6 450 CHAPTER 6 FIXING SYSTEM COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 6 35 i o t r y u ...

Page 257: ...r Error Activation Detection Circuit 7 7 IV DISASSEMBLY AND ASSEMBLY 7 8 A Externals 7 9 B Control Panel 7 14 C Copyboard Cover 7 15 D Fans 7 15 E Main Motor Assembly 7 17 F Mirror Guide Assembly 7 18 G Main Drive Assembly 7 19 H Cleaning Belt Drive Assembly 7 23 I DC Controller PCB 7 24 J DC Power Supply PCB 7 25 This chapter describes the outline of the purposes roles and operations of the mecha...

Page 258: ...ED IN JAPAN IMPRIME AU JAPON 7 1 FM1 FM4 FM2 FM3 FM5 No FM1 FM2 FM3 FM4 FM5 Name Scanner cooling fan Exhaust fan 1 Exhaust fan 2 Feeding fan Power supply PCB cooling fan Orientation Blowing Blowing Drawing Blowing Filter Air Ozone Function Cools the scanner Exhausts ozone generated by charging assemblies through a filter Exhausts air drawn by the feeding fan Keeps copy paper against the feeding be...

Page 259: ...NTED IN JAPAN IMPRIME AU JAPON WMUP SCFW SCRV LSTR STBY INTR WMUPR STBY ON ON Power switch OFF Power switch COPY START key Scanner cooling fan FM1 Exhaust fan 1 FM2 Exhaust fan 2 FM3 Feeding fan FM4 Power supply PCB cooling fan FM5 5min 1 1 1 Exhaust fan is rotated at a half speed during stand by state 1 1 ...

Page 260: ...oller PCB Photointerrupter Variable resistor Micro switch Photointerrupter Photointerrupter Clutch Solenoid Fan Toner sensor Counter Lifter motor HVT Control panel Main motor dviver PCB Main motor Delivery motor Lower feeder motor Blank shutter motor Cleaner motor Motor driver 2 PCB Motor driver 1 PCB AE sensor Scanning motor Hopper motor Horizontal registration motor Lens motor Pedestal 24VB 24VB...

Page 261: ... with a lithium battery BAT101 Reference The tolerances of the DC voltage generated by the DC power supply PCB are as follows 24 VA 3 24 VB 10 12 V 10 5 V 3 Replace the lithium battery only with the one listed in the Parts Catalog Use of another battery may present a risk of fire or explosion The battery may present a fire or chemical burn hazard if mistreated Do not recharge disassemble or dispos...

Page 262: ...on to cut off the output of power The protection circuits can be reset by depriving the DC power supply PCB of AC power for 1 min or more by disconnecting the power plug Be sure to remove the cause of activation before turning on the power switch once again Repeated short circuiting and recovering of a load can cause the built in fuse to melt CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON I...

Page 263: ...d for a specific period of time set in user mode Figure 7 301 7 6 CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Lamp regulator FU1 Lamp ON LMPON Gate array IC115 I O port IC109 LA1 TSW1 SSR Master CPU IC116 5V Comparator circuit SW1 24VB H1 TH1 H2 Fixing heater temperature error Fixing main heater ON detection MSSRD Fixing s...

Page 264: ...ray IC115 on the DC controller PCB detects the MSSRD signal or the SSSRD signal in the absence of the heater drive command MHRD SHRD it will identify the condition as an error in the heater and as a result will indicate E004 and at the same time will cause the error auto power off signal PWOFF to go 0 In response the relay inside the power switch SW1 will turn on to turn off the power switch there...

Page 265: ...A washer is used for two of the mounting screws on the rear cover to protect against static electricity be sure to use the washer when assembling the part 5 A washer is used for some mounting screws for grounding wire varistor to ensure correct electrical continuity be sure to use the washer when assembling the part 6 As a rule do not operate the copier while any of its parts is removed 7 Be sure ...

Page 266: ...al of the mounting screws used on their own are left out of the discussions CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 7 9 q u y e t w r i o 0 1 q Copyboard cover w Left cover 3 e Front door 1 pin x 2 r Front left cover 2 t Cassette y Front right cover 2 u Control panel i Multifeeder inside cover 2 o Right cover 5 0 Rear ...

Page 267: ...er Those covers that may be removed through mere removal of mounting screws on their own are omitted from the discussions 7 10 CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON q w q Left inside cover 4 w Right inside cover 2 ...

Page 268: ... front door e 3 Open the hopper r Figure 7 403 4 Remove the screw t and remove the fixing assembly knob y 5 Remove the four screws u and remove the left inside cover i Figure 7 404 CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 7 11 q e r w u u y t u i ...

Page 269: ...cover q Figure 7 405 3 Turn the feeding assembly releasing lever w counterclockwise to release the feeding assembly 4 Disconnect the connector e Figure 7 406 7 12 CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON w e q ...

Page 270: ...y releasing lever t 6 Remove the two knob y 7 Remove the two screws u and remove the right inside cover i Figure 7 407 CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 7 13 r y t u i y u ...

Page 271: ...nnect the four connectors q Figure 7 408 3 Remove the four screws w Figure 7 409 4 Remove the magnet plate retaining screw e and remove the control panel r Figure 7 410 7 14 CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON w w w q q e r ...

Page 272: ...ove the rear cover 2 Disconnect the connector q 3 Free the harness w from the harness retainer 4 Remove the four screws e and remove the scanner cooling fan r Figure 7 411 2 Removing the Exhaust Fan 1 Remove the drum unit 2 Remove the left cover and the inside left cover 3 Remove the screw q and disconnect the connector w then put the connector inside the copier Figure 7 412 CHAPTER 7 CONTROLS AND...

Page 273: ...xing assembly 6 Remove the two screws r and remove the fan t in the direction of delivery together with the duct Figure 7 414 7 16 CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON e t r r ...

Page 274: ...67 E Main Motor Assembly 1 Removing the Main Motor Assembly 1 Remove the rear cover 2 Remove the four screws q and disconnect the two connectors w then remove the main motor assembly e Figure 7 416 CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 7 17 i u y q e w q ...

Page 275: ...late 1 Remove the copyboard glass 2 Remove the lens hood 3 Remove the screw q and remove the mirror guide plate w Figure 7 417 7 18 CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON q w ...

Page 276: ...nit 2 Remove the rear cover 3 Remove the screw q and disconnect the three connectors w then remove the lamp regulator PCB e Figure 7 418 4 Remove the faston r Figure 7 419 CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 7 19 e w q w r ...

Page 277: ...Figure 7 420 6 Remove the two grip rings u and disconnect the two connectors i then remove the registration roller clutch o and the horizontal registration roller clutch 0 Figure 7 421 7 20 CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON y t t 0 o i u ...

Page 278: ...rews 2 and detach the timing belt from pulleys A and B Figure 7 424 then remove the main drive assembly 3 Figure 7 423 CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 7 21 1 3 2 2 2 2 2 2 ...

Page 279: ...belt on the gears and rollers as shown in the figure Figure 7 424 7 22 CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Drive belt Drum drive belt Pulley B Pulley A Main motor ...

Page 280: ...sembly 1 Remove the rear cover 2 Disconnect the connector q 3 Remove the screw w and remove the cleaning belt drive assembly e Figure 7 425 CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 7 23 e q w ...

Page 281: ...en Handling the DC Controller PCB When sending the DC controller PCB to the workshop or factory be sure to put it in a conducting bag without separating it from its mount Use a conducting bag whose one side is transparent and put the PCB so that its face shows through the transparent side After replacement be sure to make adjustments and settings in service mode and user mode Enter the settings re...

Page 282: ...e motor driver 1 PCB e together with its mount Figure 7 427 2 Disconnect all connectors from the DC power supply PCB 3 Remove the four screws r and remove the DC power supply PCB t Figure 7 428 CHAPTER 7 CONTROLS AND EXTERNALS COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 7 25 w w q e w q r r t ...

Page 283: ...line 8 5 B Mechanism 8 5 IV PAPER DECK UNIT 8 6 A Basic Construction 8 6 B Pick Up Feeding Operation 8 7 C Lifter Operation 8 9 D Detecting Paper in the Deck 8 11 V DETECTING JAMS 8 13 VI DISASSEMBLY AND ASSEMBLY 8 15 A Externals 8 16 B Pedestal Motor Drive Assembly 8 19 C Paper Deck 8 20 D Pick Up System 8 28 This chapter describes the outline of the purposes roles and operations of each mechanis...

Page 284: ...mmunication between the machine and the copier is in the form of IPC communication and is handled by the communication IC on the copier s DC controller PCB and the pedestal controller PCB of the machine Figure 8 101 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 8 1 DC controller PCB J112 IPC IPC J102 J101 Pedestal Controller PC...

Page 285: ...8 201 8 2 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Sensor Deck size Switch PCB Pedestal controller PCB IC103 CPU IC101 ROM IC109 IPC Input Output Motor Solenoid Clutch Copier DC controller PCB ...

Page 286: ...r deck 1 light blocking plate is at PS4 When lifter is at upper position 1 when light blocking plate is at PS5 When lifter reaches upper limit 1 when light blocking plate is at PS6 When 0 Paper Deck Pedestal M1 is identified When 0 deck is open light blocking plate is not at PS7 SWUD1 SIZE 2 SIZE 1 See p 8 11 Right door open sensor Vertical path roller 3 paper sensor Deck vertical path roller pape...

Page 287: ...s ON LOCK input PEDSP 1 or 0 depending on the type of copier thereby changing revolution When 1 pedestal motor is normal Pedestal motor Motor driver PCB Vertical path roller 3 drive clutch Deck pick up clutch Deck pick up roller release solenoid Deck vertical path roller drive clutch Deck lifter drive clutch CL1D CL2D CL3D CL4D DEPRL When 0 CL1 goes ON When 0 CL2 goes ON When 0 CL3 goes ON When 1 ...

Page 288: ...stal motor drive signal PEDMD from the pedestal controller circuit goes 1 the drive circuit of the motor driver turns on thereby rotating the pedestal motor at a specific speed While the pedestal motor is rotating at a specific speed the motor driver PCB sends the constant speed state signal LOCK 1 to the pedestal controller PCB The signal goes 0 if the revolution of the motor fluctuates for some ...

Page 289: ... up roller Separation roller Feeding roller Copy paper J110 A2 Deck vertical path roller paper sensor signal DVRPD J110 B4 Deck vertical path roller drive command CL3D J109 1 Pedestal motor drive command PEDMD J109 2 Pedestal motor speed error signal LOCK J110 B2 Deck pick up drive command CL2D J110 A5 Deck paper sensor signal DPD J110 B12 Deck lifter drive command CL4D J110 B13 Deck pick up rolle...

Page 290: ... after leaving both rollers the paper is moved to the inside of the copier by the vertical path roller Figure 8 402 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 8 7 Deck vertical path roller Pick up roller M1 Pedestal motor CL2 Deck pick up clutch CL3 Deck vertical path roller drive clutch Copy paper Separation roller Lifter M...

Page 291: ...NTED IN JAPAN IMPRIME AU JAPON Pick up request signal from copier Copier Deck pick up clutch CL2 Deck pick up roller release solenoid SL1 Deck vertical path roller paper sensor PS3 Vertical path roller 3 paper sensor PS2 Deck vertical path roller drive clutch CL3 Vertical path roller 3 drive clutch CL1 SCRV SCRV LSTR SCFW SCFW INTR COPY START key ON Pedestal ...

Page 292: ...e reason When the lifter has reached its upper limit it is maintained in position by the work of a one way gear When the deck is removed from the pedestal the take up gear disengages itself from the one way gear thereby allowing the lifter to lower on its own weight Figure 8 404 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 8 9...

Page 293: ... REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON M1 Pick up roller Feeding roller Separation roller Paper sensor PS4 Paper detecting lever Deck lifter position sensor PS5 Paper detecting spacer Pick up roller Lifter limit detecting lever Copy paper Deck lifter upper limit sensor PS6 Main motor Oil damper ...

Page 294: ... controller PCB changes to 1 or 0 Based on the combination of these paper size signals the pedestal controller PCB identifies the size of the paper inside the paper deck as follows The configuration of SWUD1 represents when the switch is viewed from the front Table 8 401 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 8 11 Paper ...

Page 295: ...he paper detecting lever leaves the deck paper sensor PS4 causing the pedestal controller PCB to identify the absence of paper Figure 8 406 Figure 8 407 8 12 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Paper detecting lever light blocking plate Paper detecting roll Deck paper sensor PS4 Lifter Paper detecting lever light bloc...

Page 296: ...paper sensor PS2 Deck vertical path roller paper sensor PS3 The presence or absence of paper or a jam condition is checked in reference to the presence absence of paper over each of the sensor at such times as programmed in advance in the pedestal controller PCB Figure 8 501 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 8 13 PS...

Page 297: ...SCFW INTR SCRV Jam indicator Error ON Copy Start key Normal Vertical path roller 3 drive clutch CL1 Deck pick up clutch CL2 1 Vertical path roller 3 paper sensor PS2 Deck vertical path roller paper sensor PS3 2 Pedestal motor M1 Jam check Vertical path roller paper sensor 1 SCFW INTR SCRV Jam indicator ON Copy Start key Ι Error Normal Vertical path roller 3 paper sensor PS2 Deck vertical path roll...

Page 298: ... 4 A washer is used for two of the mounting screws on the rear cover to protect against static electricity be sure to use the washer when assembling the part 5 A washer is used for some mounting screws for grounding wire varistor to ensure correct electrical continuity be sure to use the washer when assembling the part 6 As a rule do not operate the copier while any of its parts is removed 7 Be su...

Page 299: ... 8 601 Figure 8 602 8 16 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON q w e r t y u i q Upper front cover 4 w Front left cover 2 e Deck front cover 4 r Front right cover 2 t Right cover 4 y Right door cover 4 u Rear cover 4 i Left cover 4 ...

Page 300: ...edestal s connector q from the copier Figure 8 603 3 Open the pedestal s right door 4 Push in the leaf spring w and release the vertical path roller 3 unit e Figure 8 604 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 8 17 q w e ...

Page 301: ...Hold the copier s four grips and detach the copier from the pedestal Figure 8 605 8 18 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON ...

Page 302: ...y 1 Remove the rear cover 2 Disconnect the two connectors q 3 Remove the four screws w and remove the pedestal motor drive assembly e Figure 8 606 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 8 19 e q w w ...

Page 303: ...ver 2 Remove the mounting screw q and remove the stopper plate w from both left and right Figure 8 607 Figure 8 608 3 Slide out the paper deck slowly to the front 8 20 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON w q q w ...

Page 304: ...e guide plate w from both front and rear Figure 8 609 4 Mark the position of the latch assembly and remove the latch assembly by removing the mounting screws e on both left and right 4 in total Figure 8 610 Figure 8 611 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 8 21 q w e e ...

Page 305: ...emove the gear cover t Figure 8 612 6 Remove the mounting screw y from the front and remove the oil damper plate u Figure 8 613 8 22 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON t r y u ...

Page 306: ...8 614 8 Remove the E ring 1 then remove the gear 2 parallel pin and pulley cover front rear in common Figure 8 615 9 Remove the end of the wire from the pulley front rear in common CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 8 23 i o 0 1 2 ...

Page 307: ...nd the wire from the pulley front rear in common Figure 8 616 11 Remove the mounting screw 4 and remove the wire together with the mounting support Figure 8 617 8 24 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 3 4 ...

Page 308: ...e plate at the front rear and rear left then remove the guide plates Figure 8 618 3 Fix each guide plate in position referring to the size indexes on the base plate front side plate and guide plates Figure 8 619 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 8 25 Stopper rear Stopper front Stopper left Screw Screw Screw LTR A4 B...

Page 309: ... 5 Open the right door of the deck 6 Remove the switch cover 7 Set the deck size switch q to reflect the new paper size Figure 8 620 8 Install the switch cover 9 Attach the size seal to the front cover of the deck 10 Switch on the copier and check that the new deck size is indicated in the control panel 8 26 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED...

Page 310: ...in total then move the latch assembly to the front and rear until the standards shown in Figure 8 623 are met Figure 8 621 Figure 8 622 Figure 8 623 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 8 27 Adjusting screw left Adjusting screw right 1 5mm 0 2 4 6 8 10 ...

Page 311: ...ystem 1 Cross Section of Pick Up Assembly Paper Deck Pedestal M1 Figure 8 624 Figure 8 625 8 28 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON ...

Page 312: ... far toward the front doing so would cause the pedestal to tilt to the front when the pick up assembly is removed 2 Remove the right cover 3 Push is the leaf spring q and release the Vertical path roller 3 unit w Figure 8 626 4 Remove the screw e then remove the stop plate 5 Disconnect the four connectors r Figure 8 627 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY ...

Page 313: ...q to the pick up assembly make sure that the round mark w on its rubber portion is toward the front of the pedestal Figure 8 630 a The collars for the pick up roller are identified by the color use the gold collar for the front and the silver color for the rear b Do not separate the rubber portion of the pick up roller from the collar 8 30 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CAN...

Page 314: ... up roller arm bushing w Figure 8 631 3 Remove the pick up roller arm e and the weight r from the pick up roller shaft Figure 8 632 4 Remove the stop ring t for the feeding roller Figure 8 633 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 8 31 q w r e t ...

Page 315: ... the feeding roller and the roller shaft i Figure 8 634 n Points to Note When attaching the feeding roller q make sure that the belt pulley w attached to the feeding roller is toward the rear of the pedestal Figure 8 635 8 32 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON y u i w q front of pedestal ...

Page 316: ...ssure arm Figure 8 636 2 Remove the stop ring e and remove the separation roller r Figure 8 637 n Points to Note When attaching the separation roller q make sure that the D cut in the roller collar is toward the front of the pedestal Figure 8 638 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 8 33 q w r e q rear front of pedesta...

Page 317: ...failure is frequent move the hook of the spring toward B Figure 8 639 7 Position of the Pick Up Roller Release Solenoid SL1 Attach the solenoid so that the pick up roller arm q butts against the upper stay w when the plunger of the solenoid is pushed in Figure 8 640 8 34 CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON q w e r A B...

Page 318: ...CHAPTER 8 PAPER DECK PEDESTAL COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 8 35 ...

Page 319: ...ION I SELECTING THE SITE 9 1 II UNPACKING AND INSTALLATION 9 2 A Unpacking and Removing the Metal Fixings 9 2 B Supplying Toner 9 6 C Stirring the Toner 9 8 D Installing the Drum Unit 9 10 E Checking Images and Operations 9 11 III RELOCATING THE COPIER 9 13 This chapter describes how to install this copier ...

Page 320: ...e may find it unpleasant be sure that the room is well ventilated 5 The floor must be flat so that the feet of the copier will remain in contact and the copier will be kept level 6 The space must be large enough to allow at least 10cm 3 9 from all walls so that the copier may be operated without obstacles Figure 9 101 7 The site must be well ventilated If multiple copiers are installed be sure tha...

Page 321: ...pedestal Before placing the copier on the pedestal check to make sure that the pedestal has been properly installed according to its Installation Procedure When the copier is lifted always use the handles and don t use the left and right dummy covers Open the cardboard box that comes with the copier and take out the parts and materials Remove the external taping and slide out the cassettes Remove ...

Page 322: ...estals you will not need the lower right cover Remove the taping from the scanner metal fixing found outside the left cover then slide the metal fixing to the right and pull it to the front to remove You may like to store away the metal fixing for possible relocation of the copier in the future Open the copyboard cover and remove the protection paper Peel the protection seal off the control panel ...

Page 323: ...CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON No 9 10 11 12 Work Open the front cover and open the delivery assembly Push up the spacer one each at front and rear of the fixing roller in the direction of the arrow until a click is heard Remove the spacer You will not be using the spacer Close the delivery assembly Note Spacer Spacer Leaf spring Spacer rear ...

Page 324: ...Install the developing assembly then connect the connector Open the hopper to the front and shift the feeding assembly releasing lever in the direction of the arrow to unlock the developing assembly Remove the screw and slide out the dummy drum to the front You will be using the removed screw later when installing the drum unit Look the developing assembly in position Checks remarks Connector cove...

Page 325: ...toner inside it is even Fit the boss of the toner cartridge in the groove found at the rear of the hopper then wiggle the cartridge slightly until a click is heard indicating that the cartridge has settled in position While holding lightly down on the cartridge pull out the black grip of the hopper to the front While holding the grip of the cartridge pull the cartridge to the front until it stops ...

Page 326: ... Work Tap lightly on the top of the toner cartridge so that all toner moves to the hopper Push the grip of the hopper back to the rear and detach the cartridge Put the hopper back into its initial position Checks remarks If the grip is returned to the end this side of the cartridge will be removed from the hopper Reference ...

Page 327: ...n the keypad OK key 0 and 7 on the keypad and OK key in sequence Checks remarks Check to make sure that the Add Paper indicator has turned on open ing and closing the copyboard cover Press the keys on the keypad and the Clear key to make sure that the correct copy count is indicated If the hopper is not securely set inside the copier the developing assembly will not be supplied with toner correctl...

Page 328: ...he delivery assembly Pull out the static eliminator and clean it with the static eliminator cleaning brush Thereafter set the static eliminator and put the cleaning brush back into its original place Turn off the power switch and disconnect the power plug Checks remarks You may install the original tray on either left or right Stepped screws Original tray Original tray Stepped screws Static elimin...

Page 329: ...light blocking sheet Set the drum unit in the copier and fix it in place using the screw removed from the dummy drum Fill out the label which comes with the drum unit and attach the label to the cover of the drum unit Move the knob of the drum unit back and forth two to three times to clean the primary charging wire Put the hopper back into its original position Lock the developing assembly in pla...

Page 330: ...s initial position Set the cassettes in the copier Set the Test Sheet on the copy board and make copies then check the images Make two sided copies Make copies in manual feed mode Check the external covers for damage and deformation Clean the area around the copier Checks remarks Check to make sure that the Add Paper indicator turns on opening and closing the copyboard cover Check to make sure tha...

Page 331: ... INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON No 11 12 Work Move the copier to the site of installation Enter the necessary information in the Service Sheet Checks remarks Check to make sure that the copier is more or less level ...

Page 332: ...e lens to Direct position Remove the drum unit Fix the scanner in place Tape the charging assembly and feeding assembly releasing levers in place to avoid shifting by vibration Tape the front door and the delivery assembly in place Place A3 11 17 copy paper on the copyboard glass and tape the copyboard cover in place Checks Put the drum unit in a box for transportation Remarks What is referred to ...

Page 333: ...Y REPLACED PARTS 10 1 A Periodically Replaced Parts 10 1 II CONSUMABLES AND DURABLES 10 2 A Copier 10 2 B Paper Deck Pedestal 10 3 C Cassette Feeding Unit 10 3 III SCHEDULED SERVICING 10 4 IV PERIODICALLY SERVICED PARTS 10 6 A Copier 10 6 This chapter describes the components useful for maintenance of this copier and the checking methods ...

Page 334: ...eriodically Replaced Parts The above values are estimates only and are subject to change based on future data CHAPTER 10 MAINTENANCE AND INSPECTION COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 10 1 Parts Ozone filter Static eliminator Transfer corona wire Scanner cooling fan filter Parts No FL5 0486 000 FF2 3902 000 FY3 0040 000 FB1 7671 000 Q ty 1 1 AR 1 ...

Page 335: ... assembly Fixing heater Scanning lamp Pre exposure lamp Thermistor Scanner drive wire front Scanner drive wire rear Developing cylinder Separation pad Registration roller Parts No FF5 1221 000 FF5 1220 000 FB1 7061 000 FB1 7060 000 FA3 8908 000 FB1 7956 000 FB1 7957 000 FB1 7075 000 FA2 9037 000 FB1 6823 000 FH7 4545 000 FH7 4536 000 FH7 4547 000 FH7 4538 000 FH7 3320 000 FH7 3321 000 FG5 1788 000...

Page 336: ...NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 10 3 Parts Pick up roller front Pick up roller rear Feeding roller Separation roller Parts No FF5 1221 000 FF5 1220 000 FB1 7061 000 FB1 7060 020 Q ty 1 1 1 1 Life copies 240 000 240 000 120 000 120 000 Remarks No 1 2 3 4 as of MAY 1997 ...

Page 337: ...lvent Use solvent Use cleaning oil Use cleaning oil Checks Check the general condition Check fault copies a Image density b Soiling of white background c Clarity of characters d Leading edge margin e Left right margin f Fixing registration soiling on back g Abnormal noise h Counter operation Work Meet the person incharge Record the counter reading Make test copies Direct reduce Enlarge page separa...

Page 338: ...s Work Provide scheduled ser vicing to suit the number of copies made P 10 7 Clean the copyboard cover and the copyboard glass Make test copies Make sample copies Put sample copies in order and clean up the area around the copier Record the final counter reading Fill out the service sheet and report to the person in charge No 7 8 9 10 11 12 13 ...

Page 339: ...rive wire Transfer guide assembly Feeding belt Feeding assembly mount Scanner reflecting plate Scanner side reflecting plate No 1 through No 6 mirrors Lens Dust proofing glass Original size detecting unit Scanner cooling fan filter every 20 000 copies every 60 000 copies every 180 000 copies 1yr Remarks Use alcohol Replace every 60 000 copies or 1yr Use alcohol Mirror positioning tool Use a moist ...

Page 340: ...997 PRINTED IN JAPAN IMPRIME AU JAPON 10 7 Unit Corona unit Fixing assembly Parts Transfer corona wire Static eliminator Upper fixing roller Lower fixing roller Separation claw upper lower Fixing inlet guide every 60 000 copies every 180 000 copies 1yr Remarks Use the cleaning brush Use cleaning oil Use solvent Caution every 20 000 copies ...

Page 341: ...oubleshooting Feeding Faults 11 112 VI ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS 11 113 A Sensors 11 114 B Switches clutches and solenoids 11 116 C Heaters lamps and motors 11 118 D PCBs 11 120 E Paper deck pedestaL M1 11 122 F Variable Resistors Light Emitting Diodes and Check pins by PCB 11 124 VII SERVICE MODE 11 129 A Outline 11 129 B Using Service Mode 11 130 C Using Adjustment Mode a...

Page 342: ...e voltage between J109 1 and J109 2 on the DC controller PCB asks you to connect the meter s positive probe to J109 1 and negative probe to J109 2 Is the power plug connected to the outlet Connect the plug Checks YES NO Remedies NO 1 Step Are the front door and delivery cover closed properly Close the door and cover NO 2 Is the specified voltage present at the power outlet The problem is not the c...

Page 343: ...CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 2 ...

Page 344: ...ty of No 8 through No 9 of the chart Is the density of gray scale No 9 too high dark Pre Check Checks on Solid Black Density Adjustment on Density Slope Optimum Density Adjustment YES NO NO YES NO Make a copy YES NO YES NO YES Start Make a copy Adjust the slit according to the slit plate adjustment procedure next page Turn the adjusting screws in the front and at the rear of the primary corona ass...

Page 345: ...and move the No 1 mirror mount to the center where work is facilitated 3 Adjust the slit plate at the front by referring to the table below If you adjusted the slit q by loosening the screw r the change will affect the area from the center to the rear end Note A A B B 1 2 Rear slit plates These plates cannot be adjusted 1 2 3 4 B A If you adjusted the slit w by loosening the screw e the change wil...

Page 346: ...per roller Cleaning oil Cleaning Lower roller TKN 0464 Inlet guide Solvent Cleaning Pick up feeding assembly Part tool solvent work remarks Pick up Moist cloth Cleaning roller Transfer guide Feeding belt Feeding assembly mount Corona units Part tool solvent work remarks Optical path Part tool solvent work remarks Lens Brower brush Cleaning Dust proofing Brower brush Cleaning glass Make sure the pa...

Page 347: ...COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 6 ...

Page 348: ...ored setting 3 Using the keypad or the Zoom keys change the setting The indicator flashes the setting To enter a negative setting press the key 4 Press the OK key The new setting is stored The indicator stops flashing and remains on A press on the Copy Start key starts copying 5 To change the settings in succession repeat steps 3 and 4 6 Press the Clear key to return to item selection The settings...

Page 349: ...mode and select No 306 using the keypad The indicator indicates 306 2 Press the OK key The indicator indicates the stored setting 3 Using the keypad or the Zoom keys change the setting The indicator flashes the setting To enter a negative setting press the key 4 Press the OK key The new setting is stored The indicator stops flashing and remains on A press on the Copy Start key starts copying 5 To ...

Page 350: ...lect No 307 using the keypad The indicator indicates 307 2 Press the OK key The indicator indicates the stored setting 3 Change the setting using the keypad or the Zoom keys The indicator flashes the setting To enter a negative setting press the key 4 Press the OK key The new setting is stored The indicator stops flashing and remains on A press on the Copy Start key starts copying 5 To change the ...

Page 351: ...ach other Figure 11 204 Reference 2nd side of 2 sided copy 0 2 0 mm a Pick Up from the Cassette Loosen the screw q and adjust the position of the cassette hook plate w Figure 11 205 11 10 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 0 1 5 mm 0 2 4 6 8 10 q w ...

Page 352: ...from the Paper Deck Remove the deck front cover and loosen the screw q deck left right then adjust the position of the latch assembly in front rear direction Figure 11 207 Figure 11 208 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 11 q q q ...

Page 353: ...y The indicator indicates the stored setting 3 Using the keypad or the Zoom keys change the setting The indicator flashes the new setting 4 Press the OK key The new setting is stored The indicator stops flashing and remains on 5 To change the settings in succession repeat steps 3 and 4 6 Press the Clear key to return to item selection The settings and the image positions have the following relatio...

Page 354: ...e rear A full turn of the screw moves the image by about 1 mm Figure 11 210 Figure 11 211 For both a and b be sure to try different reproduction ratios after adjustments so that a blank shutter home position search will be executed CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 13 Adjusting screw Shutter Shifts the entire shutte...

Page 355: ...ash or if copies of the Test Sheet made in AE mode are too dark or too light execute 3 No 304 in service mode AE mode scanning lamp activation voltage auto adjustment Be sure to follow the numerical sequence of the table Table 11 201 In No 402 auto adjustment is not executed for the AE slope and the standard slope is used To adjust the slope execute No 303 11 14 CHAPTER 11 TROUBLESHOOTING COPYRIGH...

Page 356: ...ed and the intensity for AE scanning is automatically set Thereafter the scanner returns to home position and the scanning lamp turns off 4 Press the Reset key Mode selection mode starts indicating 4 If necessary execute No 304 Table 11 202 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 15 Item 402 Function AE scanning intensity...

Page 357: ...ed The indicator stops flashing and remains on A press on the Copy Start key starts copying 5 Press the key Item selection mode starts indicating 304 If necessary execute No 303 Table 11 203 Item 304 Function AE scanning intensity adjustment Description Remarks q When the setting is decreased in service mode the AE copies will be darker w If the setting is increased in service mode the AE copies w...

Page 358: ...icator flashes the stored setting 3 Using the keypad or the Zoom keys change the setting according to the table below The indicator flashes the setting 4 Press the OK key The new setting is stored The indicator stops flashing and remains on Press the Copy Start key to start copying 5 Press the Reset key twice These presses end service mode Table 11 204 Item 303 Function AE slope Description Remark...

Page 359: ...ed setting 3 Using the keypad or the Zoom keys change the setting The indicator flashes the setting To enter a negative setting press the key 4 Press the OK key The setting is stored The indicator stops flashing and remains on 5 Press the Clear key to start copying The settings and the developing bias have the following relationships For each 1 of the setting the output of the developing bias DC c...

Page 360: ...stored setting 3 Using the keypad or the Zoom keys change the setting The indicator flashes the setting To enter a negative setting press the key 4 Press the OK key The new setting is stored The indicator stops flashing and remains on A press on the Copy Start key starts copying 5 Press the Reset key twice These presses end service mode The settings and the margin have the following relationships ...

Page 361: ...r indicates 327 2 Press the OK key The indicator indicates the stored setting 3 Using the keypad or the Zoom keys change the setting The indicator flashes the setting To enter a negative setting press the key 4 Press the OK key The new setting is stored The indicator stops flashing and remains on A press on the Copy Start key starts copying 5 To change the settings in succession repeat steps 3 and...

Page 362: ...The indicator indicates 326 2 Press the OK key The indicator indicates the stored setting 3 Using the keypad or the Zoom keys change the setting The indicator flashes the setting To enter a negative setting press the key 4 Press the OK key The new setting is stored The indicator stops flashing and remains on A press on the Copy Start key starts copying 5 To change settings in succession repeat ste...

Page 363: ...ore starting the work be sure to fix the No 2 mirror mount temporarily in place to the front and rear side plates Figure 11 214 11 22 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Note o t r e q y w u i 3mm 0 Put the steel ball into the hole of the pully Wind eight times Fix in place temporarily ...

Page 364: ...tion both front rear 2 Loosen the four screws on the mirror positioning tool FY9 3002 000 and extend the two arms fully then tighten the screws both front and rear Reference The mirror positioning tool is used in common with other models Adjust the length of the arms to suit the copier in advance 3 Remove the pin from the mirror positioning tool front and rear 4 Mount the mirror positioning tool q...

Page 365: ...G COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 5 Mount the fixing of the scanner cable to the No 1 mirror mount both front and rear with screws w Figure 11 217 Figure 11 218 rear w w front w ...

Page 366: ...e Scanner Cable Loosen the binding screw and align the tensioner plate to the line marked with a scribe in advance Or tighten the binding screw so that the wire spring and the hole in the side plate shown in Figure 11 219 is 0 to 3 mm when viewed from the front Figure 11 219 Line drawn with a scribe Binding screw r 0 3mm Wire spring Tensioner plate ...

Page 367: ...upport q and fit it in place so that the reading of the spring gauge is 1000 50g when motor support q is pulled with a spring gauge in the direction of the arrow at the point A indicated in Figure 11 220 Figure 11 220 5 Cleaning the No 4 Mirror 1 Remove the copyboard glass and the lens hood 2 Remove the screw q and the mirror guide plate w then clean the No 4 mirror Figure 11 221 q A q w ...

Page 368: ...ol for cleaning the No 5 No 6 mirror Figure 11 222 b Cleaning the No 5 Mirror 1 Remove the mirror cleaning tool 2 As shown put the mirror cleaning tool q against the No 5 mirror and move the tool in the direction of the arrow to clean At this time take care so that the cleaning tool or your fingers will not touch the No 4 mirror Figure 11 223 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CAN...

Page 369: ...ass 4 While keeping the mirror cleaning tool q sides A and B against the lens mount move it in the direction of the arrow to clean Figure 11 224 d Installing the Mirror Cleaning Tool When installing the mirror cleaning tool to the right stay butt the side C of the tool against the right stay q and then fix it in place with a screw Thereafter check to make sure that the cleaning tool and the No 1 m...

Page 370: ...ion of the Blank Shutter Solenoid Adjust the position of the solenoid to that A is 7 7 0 5 mm on both sides when the solenoid is moved in the direction of activation When taking measurements be careful not to force the shutter with calipers or the like After making adjustments check to make sure that the solenoid moves smoothly Figure 11 227 Figure 11 228 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 ...

Page 371: ...11 30 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 3 Routing the Blank Shutter Cable Figure 11 229 Slide shutter Windtwice Windtwice ...

Page 372: ...1 230 Transfer charging wire Figure 11 231 Keep the following in mind Make sure that the charging wire is free of bends or twists and its gold plating has not peeled Make sure that the charging wire is free of slack Make sure that the charging wire is in the V groove of the height adjusting roll 2mm ring spring height adjusting block 7mm spring ring height adjusting block Note ...

Page 373: ...low the order indicated in the figure Figure 11 232 6 Adjusting the Height of the Charging Wire The height of the charging wire may be adjusted by turning the screw located behind the charging assembly A full single turn of the screw raises or lowers the charging wire by about 0 7 mm Figure 11 233 2 8 7 1 4 10 11 13 3 5 6 9 12 B A A B Corona Unit Height of Standard Position Primary A 10 6 0 3mm B ...

Page 374: ...e Drum unit Whenever you have replaced the drum unit record the date and the current counter reading on the label which comes with the drum unit and attach the label to the front over then perform the image adjustment basic procedure Figure 11 236 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 33 date date Datum counter compteur...

Page 375: ...rass colored collar at the front Use the silver colored collar at the rear Figure 11 237 2 Orientation of the Separation Roller When installing the separation roller q to the pick up assembly be sure so that the D cut is toward the front Figure 11 238 11 34 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON q w Collar front of copier f...

Page 376: ...ding roller is at the rear of the copier Figure 11 239 4 Adjusting the Pressure of the Separation Roller If double feeding or pick up failure occurs during pick up adjust the position of the pressure spring of the separation roller q If double feeding occurs move the spring toward A w If pick up failure occurs move the spring toward B Figure 11 240 w q front of copier q w e r A B q Feeding roller ...

Page 377: ...SL2 Install the solenoid so that the pick up roller arm q shown in Figure 11 241 butts against the upper stay w when the plunger of the solenoid is pushed in Figure 11 241 6 Orientation of the Multifeeder Pick Up Roller When installing the multifeeder pick up roller q be sure that the side whose collar has a crossing w is toward the rear Figure 11 242 q w Butted w q front of copier ...

Page 378: ...te cam are as shown in Figure 11 243 when the solenoid plate is in contact with the claw of the control ring Figure 11 243 8 Routing the Timing Belt multifeeder assembly Butt the rack plate of the multifeeder against section A open state Move the slide volume in the direction of B and attach the timing belt to the pulley Figure 11 244 Paper guide plate 26T gear 1 Control ring Claw Solenoid plate 2...

Page 379: ...k up failure occurs during pick up adjust the position of the pressure spring q of the separaiton pad q If double feeding occurs move the spring holder toward B w If pick up failure occurs move the spring holder toward A Figure 11 245 10 Routing the Drive Belt Route the drive belt through the gears and rollers as shown in Figure 11 246 Figure 11 246 q A B Drive belt Drum drive belt Pulley B Pulley...

Page 380: ...0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 39 11 Adjusting the Position of the Horizontal Registration Solenoid Move the position of the solenoid q so that the link w butts against the plate e when the plunger of the solenoid is pushed in Figure 11 247 q w e Butted ...

Page 381: ...ure 11 248 Sub Heater The round terminal must be at the rear of the copier The fastons must be at the front of the copier Figure 11 249 c Insert the main heater to the right side pick up side and the sub heater to the left side delivery side when viewing from the front of the fixing assembly Figure 11 250 11 40 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED...

Page 382: ...he copier s warm up period before measuring the nip If the copier is equipped with a sorter remove the sorter before making adjustments You must make sure that the fixing assembly is sufficiently heated before taking measurements otherwise the toner from the areas of the copy where fixing has not occurred will soil the fixing roller ultimately requiring cleaning 1 Place A3 11 17 copy paper on the ...

Page 383: ... fully discharge the paper 5 Measure the nip 3 Position of the Fixing Assembly Paper Guide The paper guide is positioned by the paper guide mount and you need not adjust its position when installing the paper guide Do not loosen the screw on the paper guide plate otherwise you will have to adjust the position of the paper guide If you should have loosened it for some reason be sure to put the fixi...

Page 384: ...e and select No 413 using the keypad The indicator indicates 413 2 Press the OK key The indicator indicates S r 3 Slide out the cassette 1 and set the paper width guide plate inside the cassette to STMTR 4 Set the cassette to the copier 5 Press the OK key The indicator indicates A4r 6 Slide out the cassette 1 and set the paper width guide plate inside the cassette to A4R 7 Set the cassette to the ...

Page 385: ...12 2 Press the OK key The indicator indicates A6 3 Set the manual guide plate of the multifeeder to A6R 105 mm Figure 11 253 4 Press the OK key The indicator indicates A4r 5 Set the manual guide plate to A4R 210 mm 6 Press the OK key The indicator indicates A4 7 Set the manual guide plate to A4 297 mm 8 Press the OK key The indicator indicates A6 9 Press the Reset key twice to end service mode Gui...

Page 386: ...HAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 45 A4 A3 A4R STMTR STMTR 139 7 mm A4R 210 mm A4 297 mm Paper width Reference Variable resistor output ...

Page 387: ... START Place the AF Test Sheet FY9 9081 on the original tray Start the copier s service mode 3 Select 325 and press the OK key Press the OK key so that the Test Sheet will be stopped on the copyboard glass Open the DF slowly Is the standard met Close the DF slowly and press the OK key so that the Test Sheet will be discharged Change the stop position setting between 7 and 7 END YES NO ...

Page 388: ...ntroller PCB 4 Make checks as indicated 2 Using Service Mode 1 Open the front door and insert a door switch activator into the door switch 2 Press the service mode switch SSW with a hex key 3 Press the 2 key on the keypad The copier indicates 2 4 Press the OK key The copier activates I O display mode and indicates 201 5 Enter a number with the keypad and press the OK key The copier checks each pho...

Page 389: ... standby Move the pick up roller up and down by a finger while in standby Move the paper detecting roll by hand while in standby Move the pick up roller up and down by a finger while in standby Place paper in the multifeeder tray while in standby Move the sensor flag of PS7 by a finger while in standby Move the sensor flag of PS8 by a finger while in standby Checks When the scanner is at home posi...

Page 390: ...ion front guide assembly Release the feeding assem bly and move the sensor flag of PS10 by a finger Open the deliv ery assembly and feed paper through the deliveryassem bly Open the deliv ery assembly and feed paper through the lower feeding assembly inlet Move the sensor flag of PS13 while in standby Put paper into the re pick up feeding assembly while in standby Checks When paper is inserted Whe...

Page 391: ...he copyboard cover while in standby Open and close the right door while in standby Put paper over PS19 while in standby Remove the blank exposure assembly and remove the blank upper plate Install J24 and J91 Move the sensor flag while in standby Checks When paper is present When paper is not present When paper is present When paper is not present When the copy board cover is opened When the copybo...

Page 392: ... J104 5A No 219 1 d Set the cassette 1 to A4 LTR and set it to the copier Set the cassette 1 to A4 LTR and set it to the copier Set the cassette 2 to A4 LTR and set it to the copier Set the cassette 2 to A4 LTR and set it to the copier Checks When the cas sette is present When the cas sette is not present When the cas sette is present When the cas sette is not present When the cas sette is present...

Page 393: ...tandby Move the sensor flag of PS2 by a finger while in standby Move the sensor flag of PS3 by a finger while in standby Move the paper detecting roll by a finger while in standby Move the pick up roller up and down by a finger while in standby Move the sensor flag of PS6 while in standby Slide out the deck while in standby Checks When the right door is opened When the right door is closed When th...

Page 394: ... are diazo copies or with transparency tend to produce copies which can be mistaken for foggy copies Originals which are prepared in light pencil tend to produce copies which can be mistaken for light copies 3 Copyboard Cover Copyboard Glass and Standard White Plate Check the copyboard cover copyboard glass and standard white plate for dirt if dirt is found clean them with a solution of mild deter...

Page 395: ...e condensation to occur inside the machine leading to various problems for example a Condensation on the scanning system glass mirror lens can cause light images b Condensation on the charging system can cause leakage c Condensation on the pick up feeding guide can cause feeding faults If condensation is noted dry wipe the part or keep the machine powered for 60 min 11 54 CHAPTER 11 TROUBLESHOOTIN...

Page 396: ...CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 55 ...

Page 397: ...B Image Fault Samples Not available in electronic format 11 56 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON ...

Page 398: ...opy in AE mode Is the copy too light Are the rolls of the developing assembly in firm contact with the drum during copying operation Is the coating of toner on the developing cylinder even Clean the standard white plate mirror lens and dust proofing glass Is the problem corrected Replace the lamp regulator Is the problem corrected Step 1 2 3 4 5 6 YES NO YES YES NO NO YES NO YES NO Action End Exec...

Page 399: ...corrected Set the feeding assembly and measure the resistance between the lower transfer guide and the base metal portion of the trans fer charging assembly Is it 0 Ω Is the developing assembly set securely Are the rolls of the developing assembly in firm con tact with the photosensitive drum Execute idle rotation of the devel oping assembly in service mode 4 Is the problem corrected Is toner pres...

Page 400: ...assembly hooked properly and is its height normal Is the pre exposure lamp on during copying operation Is the coating of toner on the developing cylinder even Step 1 2 3 4 5 6 YES NO YES YES NO NO NO NO YES Action End End Set the charging assembly securely Re string the charging wire See The pre exposure lamp fails to turn on Check the edge of the blade of the developing assembly Dry wipe the surf...

Page 401: ...the developing rolls worn Is the developing cylinder insulat ed from the copier GND Turn off the power and disconnect the connector Dp from the high voltage power supply PCB then check the length between the con nector on the developing assem bly side and the copier GND for electrical continuity using a meter Replace the drum unit Is the problem corrected Replace the lamp regulator Is the problem ...

Page 402: ...late lens mirror and dust proofing glass Is the problem corrected Clean the pre exposure lamp Is the problem corrected Is the coating of toner on the developing cylinder even Step 1 2 3 4 YES NO YES YES YES NO YES Action End End End Check the edge of the blade of the developing assembly Dry wipe the surface of the developing cylinder Check the fixing assembly and the drum cleaner assembly CHAPTER ...

Page 403: ...s in the peripheral direction of the surface of the photosensitive drum Remove the black lines off the surface of the photosensitive drum with a dry flannel cloth coated with toner Is the problem corrected Are there scratches or black line in the peripheral direction of the surface of the upper fixing roller Step 1 2 3 4 YES NO YES YES YES NO YES NO Action Go to step 4 Clean it If scratches are fo...

Page 404: ...e problem corrected Are there scratches in the peripheral direction of the surface of the photosensitive drum Clean the transfer charging wire Is the problem corrected Clean the static eliminator Is the problem corrected Step 1 2 3 4 5 6 7 YES NO YES YES NO YES YES YES YES Action 1 Clean the inlet guide of the fixing assembly 2 Check to find out if the cleaning belt is taken up properly 3 Check an...

Page 405: ...ches on the developing cylinder Execute 408 in service mode 4 Is the problem corrected Is the problem noted at intervals of about 9 4 cm scratches on the photosensitive drum Try fresh copy paper Is the problem corrected Is the problem noted at the same location on all copies Step 1 2 3 4 5 YES NO YES YES YES YES YES NO Action 1 Clean the developing rolls 2 Clean the surface of the developing cylin...

Page 406: ...the fixing roller upper lower soiled with toner Step 1 2 3 4 YES NO YES YES YES NO YES NO Action Go to step 4 1 Clean the registration roller and the lower transfer guide plate 2 Check the developing assembly for leakage of toner 1 Clean the manual feed feeding roller 2 Check the developing assembly for leakage of toner 1 Clean the feeding assembly 2 Check the cleaning assembly for leakage of tone...

Page 407: ...paper Checks Is the problem noted vertically Does the fixing heater H1 H2 turn on immediately after power on Is the nip of the fixing assembly within standard Step 1 2 3 YES NO YES NO NO YES Action Check to find out if there are scratches on the fix ing roller upper lower See The fixing heater fails to operate Adjust the lower fixing roller pressure Try recommended paper if the results are good ad...

Page 408: ...leading edge reached its average life Is the registration roller rotating normally Execute leading edge margin adjustment Is the problem corrected See p 11 7 Is the problem noted only on the second side of a two sided copy Step 1 2 3 4 5 6 YES NO NO NO YES NO NO YES YES NO Action Place it properly Try recommended paper if the results are good advise the user to use recommended paper Check each of ...

Page 409: ...canner rail soiled Is there foreign matter on the scanner rail Is any of the teeth of the gear in the scanner drive assembly chipped Is the problem noted at intervals of about 9 4 cm Is the problem noted at intervals of about 3 3 cm Step 1 2 3 4 5 YES NO YES YES YES YES YES NO Action 1 Re route the cable 2 If the cable is twisted or frayed replace it Clean the surface of the scanner rail Replace t...

Page 410: ...lls soiled with toner or are the rolls deformed Or is the area where the developing rolls come into contact surface of the photosensi tive drum soiled with toner Is the developing bias applied normally Make a reduced copy and compare it against a copy made in Direct Is the problem noted at different locations Step 1 2 3 4 5 YES NO YES YES YES NO YES NO Action Go to step 5 Check the scanning lamp a...

Page 411: ... charging wire of the transfer charging assembly hooked properly and is its height normal Is the developing assembly set securely Check to make sure that the rolls of the developing assembly are in firm contact with the photosensitive drum Is the developing bias generated normally Step 1 2 3 4 5 6 7 8 YES NO YES YES NO NO YES NO NO NO NO Action 1 Check the copyboard cover for warping 2 Advise the ...

Page 412: ...oner sen sor of the developing assembly Is the developing cylinder rotating during copying Is the transfer charging assembly set securely Is the charging wire broken Is there electrical continuity between connectors of the high voltage cord connected to the developing assembly and each charging assembly Step 1 2 3 4 5 6 7 8 9 10 11 12 YES NO NO NO NO YES YES NO NO NO NO NO YES NO YES Action Set th...

Page 413: ... Cause High voltage power supply PCB Checks Is the scanning lamp on during copying operation Is the pre exposure lamp on during copying Replace the high voltage power supply PCB Is the problem corrected Step 1 2 3 YES NO NO NO YES NO Action See The scanning lamp fails to turn on See The pre exposure lamp fails to turn on End Replace the drum unit ...

Page 414: ...ller Close the front door and the delivery assembly and check No 106 in service mode 1 Has the value changed Be sure to turn off the power switch after the check Is the thermistor in even contact with the upper fixing roller Clean the contact face of the ther mistor Is the problem corrected Does the problem occur only when the power is turned on for the first time for the day Replace the thermisto...

Page 415: ...E001 indicated immediately after the power switch is turned on once again Turn off the power switch and disconnect J109 from the DC controlled PCB Set the meter to the x1KΩ range and connect its probes to J109 9 and J109 10 on the harness side Is it about 0Ω Be sure to connect J109 after the check Step 1 2 YES NO NO YES NO Action See E004 Check the wiring from J109 on the DC con troller PCB throug...

Page 416: ...C controller PCB through the relay connector J34 to the thermistor normal Is the thermistor in even contact with the upper fixing roller Clean the contact face of the ther mistor Is the problem corrected Does the problem occur only when the power is turned on for the first time as in the morning Replace the thermistor Is the problem corrected Step 1 2 3 4 5 6 YES NO YES NO NO YES YES YES NO Action...

Page 417: ...ce the SSR Is the problem corrected Step 1 2 YES NO NO YES NO Action See The fixing heater fails to operate End Replace the DC controller PCB Cause Cleaning belt DC controller PCB Checks Is the cleaning belt of the fixing assembly taken up Set No 619 in service mode 6 to 0 Is the problem corrected Step 1 2 YES NO YES YES NO Action Replace the cleaning belt Replace the cleaning belt and set the cou...

Page 418: ...rive belt attached properly Set the meter to the 100VDC range and connect its probes to J633 1 and J633 5 on the DC power supply PCB Is the voltage between the terminals about 24 V Replace the main motor unit Is the problem corrected Step 1 2 3 4 5 YES NO NO YES NO NO NO YES NO Action Go to step 3 Check the wiring from the DC controller PCB to the main motor if normal replace the main motor unit R...

Page 419: ...ntil E051 turns on Is the horizontal registration roller home position sensor normal See the instructions on how to check photointerrupters Turn off the power switch and dis connect the relay connector J85 Set the meter to the 1kΩ range and measure the registance between the terminals of the motor shown below Is it normal Registance Ω J85 2 J85 5 80 J85 3 J85 6 80 J85 1 J85 2 40 J85 1 J85 5 40 J85...

Page 420: ...rizontal registration paper edge sensor nomal See the instructions on how to check photointerrupters Turn off the power switch and dis connect the relay connector J85 Set the meter to the 1kΩ range and measure the registance between the terminals of the motor shown below Is it nomal Registance Ω J85 2 J85 5 80 J85 3 J85 6 80 J85 1 J85 2 40 J85 1 J85 5 40 J85 4 J85 3 40 J85 4 J85 6 40 Replace the m...

Page 421: ...is turned on once again Set the meter to the 30VDC range and connect its probes to J114 A1 and J114 A2 on the DC controller PCB Is the voltage between the terminals about 12 V when the power switch is turned on Replac the motor driver 2 PCB Is the problem corrected Remove the transfer charging assembly rail from the copier Connect the probes of the meter to both terminals of each switch and press ...

Page 422: ...ails to move forward in reverse Check the wiring from the DC controller PCB to the sensor if normal replace the sensor Replace the DC controller PCB Cause Scanner home position sensor PS1 DC controller PCB Checks Does the scanner move forward from when the Copy Start key is pressed to when E202 is indicated Is the scanner home position sensor normal See the instructions on how to check photointerr...

Page 423: ...otor driver 1 PCB to the sensor if normal replace the sensor End Replace the DC controller PCB Cause Scanner home position sensor PS1 DC controller PCB Checks Does the scanner move forward from when the Copy Start key is pressed to when E204 is indicated Is the scanner home position sensor normal See the instructions on how to check photointerrupers Step 1 2 YES NO NO NO YES Action See The scanner...

Page 424: ...ctions on how to check photointerrupers Step 1 2 YES NO NO NO YES Action See The blank shutter fails to move Check the wiring from the DC controller PCB to the sensor if normal replace the sensor Replace the DC controller PCB Cause Malfunction DC controller PCB Checks Turn off and on the power switch Is the problem corrected Step 1 YES NO YES NO Action End Replace the DC controller PCB Cause Malfu...

Page 425: ...pier Replace the DC controller PCB Is the problem corrected Step 1 2 3 YES NO YES NO YES NO Action End Re connect it End Replace the DC controller PCB Cause Malfunction Connector Pedestal controller PCB DC controller PCB Checks Turn off and then on the power switch Is the problem corrected Is the lattice connector of the cassette paper feeding unit connected securely to the connector J44 of the co...

Page 426: ...e relay connector J56 directly under the power switch connected securely Disconnect the relay connector J56 Set the meter to the x1KΩ range and measure the resistance between J56 1 and J56 2 on the connector side of the power switch Is it about 400 Ω Step 1 2 3 YES NO YES NO NO YES Action End Re connect it Replace the power switch Check the wiring from the DC controller PCB to the power switch for...

Page 427: ...probes of the meter to the door switch fastons F3 and F5 or F4 and F6 Is the resistance about 0 Ω when the actuator is pressed and Ω when released Connect the probes of the meter to both terminals fastons of the power switch SW1 Is it about 0 Ω when the switch is turned ON and about Ω when OFF Step 1 2 3 4 5 6 7 8 9 YES NO YES NO NO NO YES NO YES NO NO YES Action See the descriptions for the corre...

Page 428: ... min and turn on the switch Is DC power present Turn off the power switch and disconnect J632 J633 J634 and J635 from the DC power supply PCB Turn on the power switch and measure the voltage between the terminals shown in Table 11 401 Is it normal Step 1 2 3 4 YES NO NO YES YES NO YES Action See AC power is absent Remove the cause and replace the DC power supply PCB End Replace the DC power supply...

Page 429: ...635 Output 24VB 24VA 12V 5V GND GND GND GND 24VB 12V 5V N C GND GND GND 24VB 24VB 5V GND GND GND 24VB FM5LOCK GND Pin No 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 1 2 3 4 5 6 1 2 3 Remarks To J101 on DC controller PCB To J952 on motor driver 2 PCB To J501 on main motor To DF To J201 on motor driver 1 PCB To pedestal To sorter To power supply PCB cooling fan Signal line ...

Page 430: ...een the terminals of the motor shown below Is it normal Resistance Ω J26 4 J26 5 100 J26 1 J26 2 100 J26 6 J26 5 50 J26 6 J26 4 50 J26 3 J26 2 50 J26 3 J26 1 50 Replace the motor driver 1 PCB Is the problem corrected Step 1 2 3 YES NO NO NO YES NO Action Re route the blank shutter cable Replace the blank shutter motor End Replace the DC controller PCB Cause Drum unit Belt Main drive assembly Check...

Page 431: ... the Copy Start key with a screwdriver set in the door switch Does the feeding separation roller rotate Set the meter to the 100VDC range and connect the probes of the meter to the following connectors on the DC controller PCB Does the voltage change from about 0 to 24 V when the Copy Start key is pressed Cassette Clutch 1 CL2 J116 B6 J116 B5 2 CL3 J115 A3 J115 A2 Find out which sensor has detect ...

Page 432: ...easing lever by a finger Does the pick up roller move down Is the lifter sensor normal See the in structions on how to check phtointerrupters Turn off the power switch and disconnect the relay connectors J58 J59 Set the meter to the x100Ω range and measure the resistance between the following terminals of the motor Is it about 60Ω Motor M9 J58 1 J58 2 M10 J59 1 J59 2 Step 1 2 3 4 5 6 YES NO NO NO ...

Page 433: ...ve up when the Copy Start key is pressed Set the meter to the 100VDC range and connect the probes of the meter to J104 B9 and J104 B8 MFPUSD on the DC controller PCB Does the voltage change from about 0 to 24 V when the Copy Start key is pressed Step 1 2 3 4 YES NO YES YES YES NO YES Action See The Add Paper indicator fails to turn off Check the wiring from the DC controller PCB to the clutch if n...

Page 434: ...ly PCB Is the reader of the meter about 24 V Turn off the power switch and disconnect J205 from the motor driver 1 PCB Set the meter to the x10Ω range and measure the resistance between the following terminals on the connector side of the motor Is it normal Resistance Ω J205 1 J205 2 9 6 J205 3 J205 4 9 6 J205 1 J205 5 4 8 J205 2 J205 5 4 8 J205 3 J205 6 4 8 J205 4 J205 6 4 8 Replace the motor dri...

Page 435: ...e registration sensor and the horizontal registration paper sensor normal See the instructions on how to check photointerrupters Set the meter to the 100VDC range and connect its probes to the following connectors on the DC controller PCB Does the voltage change from 0 to about 24 V as soon as the registration roller starts to rotate Clutch CL1 J103 A2 J103 A1 CL8 J103 A4 J103 A3 Step 1 2 3 YES NO...

Page 436: ...he meter swing Disconnect the connector J4 and connect the probes of the meter to both terminals of the lamp Is there electrical continuity Is there AC power between J601 1 and J601 2 on the lamp regulator Replace the lamp regulator Is the problem corrected Step 1 2 3 4 5 YES NO NO NO YES NO YES NO Action Re install the lamp Replace the fuse Caution The lamp may have turned on wrongly the fuse may...

Page 437: ...mp if normal replace the DC controller PCB Cause Hopper motor M4 Motor driver 1 PCB DC controller PCB Checks Execute 409 in service mode 4 Does the hopper motor rotate Turn off the power switch and disconnect J206 from the motor driver Set the meter to the x1KΩ range and measure the resistance between J206 7 and J206 8 on the motor side Is it about 63 Ω Replace the motor driver 1 PCB Is the proble...

Page 438: ...t attached normally Is a voltage of about 24 V present between J201 1 and J201 2 on the motor driver PCB Replace the lens motor Is the problem corrected Replace the motor driver 1 PCB Is the problem corrected Step 1 2 3 4 5 YES NO NO NO NO YES YES NO Action Check the rail for foreign matter and dirt Re attach it Check the wiring from J201 to the DC power supply if normal see DC power is absent End...

Page 439: ... to both terminals of the fixing heater main sub Does the index of the meter swing If E000 E001 E002 or E003 clear it in service mode 4 No 401 Set the meter to the 12VDC range and measure the voltage between J112 B8 MHRD and J112 B5 and between J112 B7 SHRD and J112 B5 on the DC controller PCB Is it about 5 V when the power switch is turned on Replace the SSR Is the problem corrected Step 1 2 3 4 ...

Page 440: ...B9 and J113 B10 CNTD Does the voltage change from about 0 to about 24 and then to about 0 V when the Copy Start key is pressed Step 1 2 YES NO NO YES NO Action Check the wiring from the DC controller PCB to the counter if normal replace the counter Replace the counter Replace the DC controller PCB Cause Counter CNT2 Option counter PCB DC controller PCB Checks Turn off the power switch and disconne...

Page 441: ...ointerrupers Step 1 2 3 YES NO NO NO NO YES Action Set the cassettes properly See The lifter fails to move up Check the wiring from the DC controller PCB to the sensor if normal replace the sensor Replace the DC controller PCB Cause Jam Sensor DC controller PCB Checks Find out which sensor has detected the jam in service mode 1 No 109 Is paper found near the sensor Is the sensor identified in step...

Page 442: ...ssembly Replace the toner sensor Is the problem corrected Execute 409 in service mode 4 Is the stirring rod inside the hopper rotating normally while the hopper motor is rotating Step 1 2 3 YES N NO YES NO NO YES Action Go to step 3 End Check the wiring from the DC controller PCB to the toner sensor if normal replace the DC controller PCB Check the screw gear and stirring rod to see if they are in...

Page 443: ...the meter to the 100VDC range and measure the voltage between J109 1 PEDMD and J109 4 on the pedestal controller PCB Does the voltage change to about 5 V when WMUPR starts after the power switch has been turned on Replace the pedestal controller PCB Is the problem corrected Step 1 2 YES NO YES YES NO Action Replace the pedestal motor End Check the wiring from the DC controller PCB to the pedestal ...

Page 444: ...gistration roller assembly Is the copy paper as far as the vertical path roller assembly Open the right door of the pedestal and press the Copy Start key with a screwdriver set in the door switch Does the feeding separation roller rotate Set the meter to the 100VDC range and connect its probes to J110 B1 and J110 B2 CL2D on the pedestal controller PCB Does the voltage change from about 24 to 0 V w...

Page 445: ...p assembly Checks Find out which sensor has detected the jam in service mode 1 No 109 Is the sensor normal See the descriptions on service mode and instructions on how to check photointerrupters Step 11 YES NO NO YES Action Check the wiring and the lever if normal replace the sensor Remove the pick up assembly and check the spring and gear ...

Page 446: ... to 24 V when the deck is set Set the meter to the 30VDC range and connect its probes to J110 A11 DEL and J110 A10 on the pedestal controller PCB Is the voltage 0V when the deck is pulled out and about 5V when the deck is set Set the meter to the 30VDC range and connect its probes to J110 B11 and J110 B12 CL4D on the pedestal controller PCB Does the voltage change from 0 V to about 24 V when the d...

Page 447: ...y Does the lifter move up Are the following sensors normal PS4 Deck paper sensor See the instructions on how to check photointerrupers Step 1 2 3 YES NO NO NO NO YES Action Set the deck properly See The lifter fails to move up Check the wiring from the pedestal to the sensor if normal replace the faulty sensor Replace the pedestal controller PCB 4 The Add Paper indicator fails to turn off pedestal...

Page 448: ...mbly r Cleaning assembly t Lower feeding assembly The troubleshooting procedures that follow are therefore organized according to location the location as well as the nature of a jam occurring in the copier may be checked in service mode 1 No 109 Figure 11 501 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 107 w q r e t ...

Page 449: ... roller of the selected cassette rotate during copying operation Is the pick up roller deformed or worn Try manual copying Does the main motor start to rotate Try paper of a type recommended by Canon Is the problem corrected Step 1 2 3 4 5 6 7 8 9 YES NO NO NO YES YES YES NO YES NO YES NO Action Go to step 8 Set it properly Check the inside of the cassette for foreign matter Replace the copy paper...

Page 450: ...oller deformed or worn Is the transfer charging assembly set properly Are there burrs on the paper guide of the transfer charging assembly Is the gut wire of the transfer charging assembly strung properly Try paper of a type recommended by Canon Is the problem corrected Are the two feeding belts rotating properly Step 1 2 3 4 5 6 7 8 9 YES NO YES YES NO YES NO YES NO YES NO YES Action Replace the ...

Page 451: ...on how to check photointerrupers Is the delivery roller 2 rotating smoothly Step 1 2 3 4 5 6 7 8 9 YES NO YES YES YES NO NO NO NO NO NO YES Action 1 Replace the separation claws 2 If dirt is found clean it with solvent Replace the roller Clean it with solvent Adjust it Check the cleaning assembly cleaning belt drive assembly Re mount it Make adjustments so that it moves smoothly Replace the sensor...

Page 452: ...rm Is the lower feeder flapper operating during re pick up Is the lower feeder inlet paper sensor normal See the instructions on how to check photointerrupters Is the lower feeder outlet paper sensor normal See the instructions on how to check photointerrupters Is the lower feeder guide plate deformed Step 1 2 3 4 5 6 7 8 YES NO YES YES NO YES NO NO NO YES NO Action Replace the lower feeder inlet ...

Page 453: ...Upper lower roller Checks Turn off the power while copy paper is moving through the feeding assembly At this time is the copy paper wrinkled Or is it moving askew Try fresh copy paper Is the problem corrected Is the paper of a type recommended by Canon Is the paper guide soiled with toner Is the lower roller pressure nip within specification Step 1 2 3 4 5 YES NO YES YES NO YES NO YES Action Check...

Page 454: ...VI ARRANGEMENT AND FUNCTIONS OF THE ELECTRICAL PARTS CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 113 ...

Page 455: ...UBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON PS6 TS1 PS2 PS7 TH1 PS11 PS8 PS4 PS15 PS20 PS16 PS19 TSW1 PS14 PS17 SVR3 SVR1 SVR2 PS13 PS12 PS101 PS102 PS104 PS103 PS10 FU1 PS9 PS1 PS3 PS18 PS5 ...

Page 456: ...etection Pre registration paper detection Separation detection Delivery detection Lower feeder inlet paper detection Lower feeder outlet paper detection Horizontal registration paper detection Horizontal registration roller home position detection Horizontal registration paper edge detection Copyboard cover open closed detection Right door open closed detection Lens home position detection Blank s...

Page 457: ... Figure 11 602 11 116 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON MSW1 MSW2 SL7 CL5 CL2 CL3 CL6 SL2 SSW CNT2 CNT1 SL6 SL5 SL4 CL1 CL7 CB1 CL8 SL1 SL3 CL4 DS1 SW1 SSR ...

Page 458: ...r rear position detection Service switch Door switch AC power line overcurrent detection Total copy counter Registration clutch Cassette 1 pick up clutch Cassette 2 pick up clutch Multifeeder pick up clutch Vertical path roller 1 clutch Vertical path roller 2 clutch Lower feeder outlet clutch Horizontal registration clutch Cassette 1 pick up release solenoid Cassette 2 pick up release solenoid Mul...

Page 459: ... motors Figure 11 603 11 118 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON LA2 LA1 M8 M3 H1 H3 H3 M2 M11 M1 M7 FM5 M6 NF1 FM1 FM4 FM3 FM2 H2 H4 M5 M9 M10 ...

Page 460: ...M10 M11 FM1 FM2 FM3 FM4 FM5 NF1 Function Scanning lamp Pre exposure lamp Fixing main heater Fixing sub heater Drum heater Main motor Scanning motor Lens motor Hopper motor Horizontal registration motor Delivery motor Lower feeder motor Blank shutter motor Cassette 1 lifter motor Cassette 2 lifter motor Cleaner motor Scanner cooling fan Exhaust fan 1 Exhaust fan 2 Feeding fan Power supply PCB cooli...

Page 461: ...D PCBs Figure 11 604 11 120 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON q w e r t y u i o 0 1 2 3 ...

Page 462: ...lator Control panel Description Original density detection Original size detection 1 Original size detection 2 for AB configuration Original size detection 3 Original size detection 4 for AB configuration Original size detection 4 for Inch configuration Sequence control DC power supply Scanning motor horizontal registration motor hopper motor lens motor drive Delivery motor lower feeder motor blan...

Page 463: ...r deck pedestal M1 Figure 11 605 11 122 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON PS1 PS2 PS3 PS4 PS5 PS7 PS6 CL1 CL3 CL2 CL4 M1 SL1 q w ...

Page 464: ...L3 CL4 SL1 q w Function Right door open closed detection Vertical path roller 3 paper detection Deck vertical path roller paper detection Deck paper detection Deck lifter position detection Deck lifter upper limit detection Deck open closed detection Pedestal motor Vertical path roller 3 drive clutch Deck pick up clutch Deck vertical path roller drive clutch Deck lifter drive clutch Deck pick up r...

Page 465: ...ause of leak current when OFF this is a normal condition and should be kept in mind 2 VRs that may be used in the field VRs that must not be used in the field Do not use VRs and check pins not given in the list they are for the factory only and require special instruments and high precision 11 124 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPR...

Page 466: ...SW101 3 OFF SW101 4 OFF AB configuration Inch configuration 1 6 B8 B1 1 10 1 5 IC 103 IC 124 J105 A1 A8 J106 J107 J108 A8 A1 B1 B8 J115 SW101 B12 B1 A1 A12 J116 B14 B1 A1 A14 J117 1 8 J101 B10 B1 A1 A10 J102 B12 B1 A1 A12 J103 B14 B1 A1 A14 J104 A14 A1 A10 A1 A11 A1 A8 A1 A13 A1 A10 A1 J114 J113 J112 J111 J110 J109 B1 B14 B1 B10 B1 B11 B1 B8 B1 B13 B1 B10 VR101 4R4E AB Inch configuration 4R3E 4R4E...

Page 467: ... Regulator PCB Figure 11 608 11 126 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Gr Pr Si FB Si Dp J401 VR403 VR302 VR301 VR101 1 13 J601 J602 J603 1 6 3 1 2 1 ...

Page 468: ... driver 2 PCB Figure 11 610 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 127 J204 J205 J202 J201 J206 8 1 1 14 4 1 J203 1 3 1 13 6 1 J953 J954 J952 J951 1 14 11 1 1 12 1 6 ...

Page 469: ... Paper deck pedestal Figure 11 611 11 128 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON IC101 J110 J107 J109 J101 J102 J108 B14 B1 A1 A14 1 2 1 8 1 3 10 1 5 1 ...

Page 470: ...wing six Table 11 701 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 129 Mode 1 2 3 4 5 6 Description Control display mode I O display mode Adjustment mode Function mode Optional settings mode Counter mode ...

Page 471: ...e item of the selected service mode using the keypad while the 100s digit is flashing The display indicates the selected number The 100s digit flashes A press on the Reset key returns the mode selection screen 5 Press the OK key The copier starts the item indicated A press on the Clear key returns the item selection screen A press on the Reset key returns the mode selection screen 6 Make the appro...

Page 472: ...he label If you have replaced the DC controller PCB or initialized the RAM you must enter the values recorded on the label Further if you have entered any new values in the field you must record the values on the label Figure 11 702 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 131 301 302 303 304 305 306 307 308 311 312 313 31...

Page 473: ...gram version Revision No 11 132 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON No 101 102 103 104 105 106 107 108 109 Description Indicates the version of the master ROM IC116 Indicates the version of the slave ROM IC104 Indicates the version of the ROM of the DF Indicates the version of the ROM of the sorter Indicates the version ...

Page 474: ...ay indicates 1 2 Using the Zoom key select the jam history number 1 through 40 a higher number means an older jam then press the OK key The display shows jam location 3 Press the OK key as necessary to find out the jam code pick up location pick up soft counter and paper size CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 133 ...

Page 475: ...splay shows the jam code 3 pre registration delay jam Table 11 703 704 705 706 The display show the pick up location 1 cassette 1 Table 11 707 The display shows the pick up soft count by pick up location up to 8 digits The display changes sequentially at intervals of 700 msec The display shows the paper size 3 A4 Table 11 708 11 134 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 ...

Page 476: ...m Lower feeder inlet delay jam Lower feeder outlet delay jam Horizontal registration delay jam Vertical path 2 stationary jam Cassette 2 pick up stationary Vertical path 1 stationary jam Cassette 1 pick up stationary Pre registration roller stationary jam Separation stationary jam Delivery stationary jam Lower feeder inlet stationary jam Lower feeder outlet stationary jam Horizontal registration s...

Page 477: ...y jam Delivery sensor stationary jam Open detection Pick up tray or upper cover open detection Original sensor error failing to detect discharged original Sensor detecting an original during pick up Jam unique to test mode Original detected during pick up of the 1st original Re circulating lever operating fault during original circulation 2nd circulation or later Feeding fault when feeding origina...

Page 478: ... 11 707 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 137 Type of jam Deck pick up delay Deck pick up timing Notation 33 Sensor PS2 PS3 1 2 3 8 Cassette 1 Cassette 2 Paper deck Multifeeder assembly ...

Page 479: ...PRINTED IN JAPAN IMPRIME AU JAPON Original size A5 B5 A4 B5R A4R FOOLSCAP B4 COMPUTER A3 STMT LTR LTRR FOOLSCAP LGL COMPUTER 11 17 Notation 17 1 3 4 6 2 5 23 7 9 11 14 2 13 23 15 unit mm 148 210 182 257 210 297 257 182 297 210 330 216 364 257 381 279 420 297 140 216 216 279 279 216 330 216 356 216 381 279 432 279 ...

Page 480: ...the Pedestal s self diagnosis Indicates the copier s alarm code Indicates the DF s alarm code Indicates the sorter s alarm code Indicates the pedestal s alarm code Indicates the type of E002 Remarks The display can show as many as three previous error histories Select for example 1 The indicator indicates 1 2 and 3 using the zoom key and then the OK key to find out the codes for the first second a...

Page 481: ...ration has failed during original pick up The original has moved askew during original pick up The original has overridden the paper stopper plate during original pick up The number of originals is different after jam removal The number of originals is excessive The original has been pulled out in the middle Notation 01 02 05 06 07 08 09 12 0A Description The stapler has stopped operation A staple...

Page 482: ...11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 141 Notation 01 Description The deck lifter fails to move up Service mode otation 1 2 3 4 5 6 7 8 9 10 Description temperature 40 40 75 75 100 100 120 120 140 140 160 160 170 170 180 180 185 185 190 ...

Page 483: ...ndicates the output value of the paper length sensor of the cassette 1 Indicates the paper width of the cassette 1 Indicates the output value of the paper width sensor of the cassette 2 Indicates the output value of the paper length sensor of the cassette 2 Indicates the paper width of the cassette 2 Not used Not used Not used Not used Not used Not used Remarks 0 to 255 unit mm 0 to 255 0 1 The te...

Page 484: ...dicates the keys of the control panel Indicates the original size detected by the DF Indicates the activation voltage of the scanning lamp 120 V model Remarks When the original size sensor detects an original some LED lamps of the display turn on See Figure11 703 See p 11 148 A code is indicated to represent the original size detected by the DF See Table 11 715 716 unit V 1 1 2 3 4 3 4 INCH config...

Page 485: ...all the keys have been pressed the indication will be If there is any key which has not confirmed to be pressed the code provided in the Table 11 714 will be indicated If there are some keys which have not confirmed to be pressed the code with the smallest number will be indicated 11 144 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAP...

Page 486: ...rase key 009 Mix key 010 Sorter key 011 Two Sided key 012 Copy Density key darker 013 AE key 014 Copy Density key lighter 015 Reduce key 016 Direct key 017 Enlarge key 018 Paper Select key 019 Auto Zoom key 020 key Code Key 021 Zoom key 022 Zoom key 023 Reset key 024 ID key 025 Keypad 1 026 Keypad 2 027 Keypad 3 028 Keypad 4 029 Keypad 5 030 Keypad 6 031 Keypad 7 032 Keypad 8 033 Keypad 9 034 Clea...

Page 487: ... COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON Original size A5 B5 A4 B5R A4R FOOLSCAP B4 COMPUTER A3 Notation 17 1 3 4 6 2 5 23 7 unit mm 148 210 182 257 210 297 257 182 297 210 330 216 364 257 381 279 420 297 Original size STMT LTR LTRR FOOLSCAP LGL COMPUTER 11 17 Notation 9 11 14 2 13 23 15 unit mm 140 216 216 279 279 216 330 216 356 216 381 279 432 279 ...

Page 488: ... of the DC controller CPU input output port of the pedestal controller CPU input output port of the DF controller CPU input output port of the sorter controller Remarks Some of the LED lamps turn on according to number to represent an 8 bit input output see below Some of the LED lamps turn on according to number to represent an 8 bit input output see below Some of the LED lamps turn on according t...

Page 489: ...5 Remarks 1 FM1 ON 1 M1 ON 1 LA2 ON 1 SL5 ON 1 FM4 ON 1 24V 0 12V 1 CL1 ON 1 24V 0 12V 1 M9 ON 1 M10 ON 1 H1 ON 1 H2 ON 1 SL4 ON 0 M4 ON Description Scanner cooling fan FM1 drive signal Main motor M1 drive signal Pre exposure lamp LA2 drive signal Blank shutter solenoid SL5 drive signal Feedig fan FM4 drive signal Feeding fan power signal Registration clutch CL1 drive signal Registration clutch po...

Page 490: ...e 2 pick up release solenoid SL2 drive signal Cassette 1 pick up clutch CL2 drive signal Cassette 2 pick up clutch CL3 drive signal Vertical path roller 1 clutch CL5 drive signal Vertical path roller 2 clutch CL6 drive signal Multifeeder pick up solenoid SL3 drive signal Multifeeder pick up clutch CL4 drive signal Signal RDC MFPD C1PD C2PD C1LTP C2LTP CCDT C1RSD C2RSD C1PUCD C2PUCD VR1CD VR2CD MFP...

Page 491: ...al path roller 1 paper sensor PS7 signal Vertical path roller 2 paper sensor PS8 signal Pre registration paper sensor PS9 signal Separation sensor PS10 signal Delivery sensor PS11 signal Scanning lamp LA1 ON detection signal Zero cross signal Signal DPREQ LMPON DMRON DMD CNTD CNT2D PDP2 PDP1 PDP3 PDP4 PDP5 LDT ZRCS Jack J103 A8 J114 A6 J114 A5 J113 B10 J113 B8 J116 A2 J115 A7 J117 B13 J109 A5 J109...

Page 492: ...minator bias change signal Grid bias OFF signal Toner level signal Auto power off signal Main motor lock signal Main heater SSR detection signal Sub heater SSR detection signal Total counter open circuit detection Option counter open circuit detection Signal SFON DPON ACON PTON SPCH GRCONT TEP PWOFF MMLOCK MSSRD SSSRD CNTD CNT2D Jack J114 B11 J114 B6 J114 B7 J114 B8 J114 B10 J114 B14 J117 A4 J117 ...

Page 493: ...eder inlet paper sensor PS12 signal Horizontal registration paper sensor PS14 signal Horizontal registration roller home position sensor PS15 signal Horizontal registration paper edge sensor PS16 signal Counter select signal Counter select signal Signal PDP7 PDP6 PDP8 HRHP HRPD CNTSL1 CNTSL2 Jack J108 2 J109 B7 J117 B8 J117 B5 J117 B2 J113 B5 J113 B6 Remarks 0 paper present 0 paper present 1 paper...

Page 494: ...trol signal 1 Delivery motor current control signal 2 Fixing thermistor TH1 signal AE sensor signal Cassette 1 paper width detection VR SVR1 signal Cassette 2 paper width detection VR SVR2 signal Multifeeder paper width detection VR SVR3 signal Main motor M1 clock pulse signal Scanner home position sensor PS1 signal Signal DMI1 DMI2 TH1 AE C1PW C2PW MFPW MMCLK SCHP Jack J114 A14 J114 A13 J109 B10 ...

Page 495: ...drive signal Lower feeder flapper solenoid SL6 drive signal Internal PCB signal Lower feeder motor M7 rotation signal Lower feeder motor M7 drive signal Lower feeder motor M7 clock signal Scanning motor M2 clock signal Scanning motor M2 phase return signal Delivery motor M6 clock signal Scanning motor M2 rotation signal Signal HRCD LFCD HRSD LFSD LFRON LFD LFCLK SCCLK SCRET DMCLK SCRON Jack J103 A...

Page 496: ...a Description Horizontal registration motor M5 clock signal Horizontal registration motor M5 rotation signal Horizontal registration motor M5 drive signal Scanning motor M2 drive signal Excitation mode command 1 Excitation mode command 2 Signal HRCLK HRRON HRD SCMD SCM1 SCM2 CCD Jack J106 B6 J106 B7 J106 B8 J106 A4 J106 A5 J106 A6 J117 A10 Remarks 0 CCW 1 CW 1 M5 ON 0 M2 ON 0 during rotation 1 dur...

Page 497: ...B signal Internal PCB signal Dip switch SW101 1 signal 0 Dip switch SW101 2 signal 1 Dip switch SW101 3 signal 2 Dip switch SW101 4 signal 3 Cassette 1 paper length sensor unit SEU1 signal 1 Cassette 1 paper length sensor unit SEU1 signal 2 Cassette 2 paper length sensor unit SEU2 signal 1 Cassette 2 paper length sensor unit SEU2 signal 2 For factory For factory For factory For factory Signal FEED...

Page 498: ... 1 g 2 a Description Internal PCB signal Segment signal Segment signal Segment signal Segment signal Segment signal Segment signal Segment signal Original size detection ON signal Internal PCB signal Blank shutter home position sensor PS20 signal Original size sensor 1 PS21 signal Signal SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 BLHP SIZE0 Jack J110 A1 J110 A2 J110 A3 J110 A4 J110 A5 J110 A6 J110 A7 J114...

Page 499: ...otor M3 drive pulse signal A Lens motor M3 drive pulse signal B Blank shutter motor M8 drive pulse signal A Blank shutter motor M8 drive pulse signal B Internal PCB signal Lens motor M3 hold signal Blank shutter motor M8 hold signal Copyboard cover open closed sensor PS17 signal Lens home position sensor PS19 signal Signal SIZE1 SIZE2 SIZE3 LEA LEB BLA BLB LEHLD BLHLD CBCC LHP Jack J103 B5 J103 B8...

Page 500: ... f 1 g 2 a 1 a 1 b 1 c 1 d 1 e 1 f 1 g 2 a Description Deck pick up roller release solenoid SL1 drive signal Pedestal motor M1 lock signal Deck size signal 1 Deck size signal 2 Communication signal with copier Communication signal with copier Deck paper sensor PS4 signal Signal DEPRL LOCK SIZE1 SIZE2 FEED STOP FACE DOWN DPD Jack J110 B14 J109 2 J110 B9 J110 B8 J102 4 J102 6 J110 A5 Remarks 0 SL1 O...

Page 501: ...a 1 a 1 b 1 c 1 d 1 e 1 f 1 g 2 a 1 a 1 b 1 c 1 d 1 e 1 f 1 g 2 a Description Pedestal motor speed control signal Pedestal motor M1 drive signal Deck lifter clutch CL4 signal Deck lifter position sensor PS5 signal Deck lifter upper limit sensor PS6 signal Signal PEDSP PEDMD CL4D DEL DLP Jack J109 3 J109 1 J110 B12 J110 A11 J110 A8 Remarks 1 M1 ON 0 CL4 ON 1 upper position 1 upper limit ...

Page 502: ...ler 3 paper sensor PS2 signal Deck vertical path roller paper sensor PS3 signal Deck open sensor PS7 signal Right door open sensor PS1 signal Vertical path roller 3 drive clutch CL1 drive signal Deck vertical path roller clutch CL3 drive signal Deck pick up clutch CL2 drive signal Internal PCB signal Signal PS2D DVRPD DEOP RDOD CL1D CL3D CL2D Jack J107 9 J110 A2 J107 B6 J107 6 J107 4 J110 B4 J110 ...

Page 503: ...r solenoid SL1 draive signal Delivery motor M3 rotation signal Clutch CL drive signal Belt motor M2 clock signal Belt motor M2 rotation signal Belt motor M2 drive signal Delivery motor M3 clock signal Delivery motor M3 drive signal Pick up motor M1 drive signal Separation sensor S11 signal Signal SMD DSD BKD RTPSLD STPSLD DMRD CLD BMCLK BMRD BMON DMCLK DMON PUMD LDD Jack J4 6 J4 4 J6 2 J14 2 J11 2...

Page 504: ...e 1 f 1 g 2 a 1 a 1 b 1 c 1 d 1 e 1 f 1 g 2 a Description Communication signal Communication signal Communication signal Belt motor clock sensor S5 signal Delivery motor clock sensor S6 signal DIP SW 3 4 DIP SW 1 2 Push switch Paper unit guide solenoid SL3 drive signal LED 1 ON signal PCB internal signal LED 2 ON signal PCB internal signal Signal BMCLK DMCLK JMPSL Jack J5 13 J5 10 J15 2 Remarks 0 ...

Page 505: ...D1 241 AD2 242 AD3 243 AD4 244 AD5 245 AD6 246 AD7 247 AD8 LED Description Registration sensor S2 signal Origianal sensor S1 signal Pick up sensor S3 signal Delivery sensor S4 signal Open closed sensor S8 signal Top cover sensor S7 signal Signal PDP3 DEP PDP1 PDP2 ADFC UPCC2 Jack J5 15 J10 3 J5 4 J5 7 J13 2 J10 6 Remarks in hex notation ...

Page 506: ...enoid drive signal PCB internal signal Paper unit guide solenoid drive signal Belt motor clock pulse Belt motor direction switching signal Belt motor drive signal Feeding motor drive signal Feeding motor short brake signal Pick up motor drive signal Paper retaining plate solenoid drive signal Communication signal Communication signal PCB internal signal Belt motor clock sensor signal PCB internal ...

Page 507: ...l Delivery sensor signal Re circulating sensor signal LED 1 ON signal LED 2 ON signal DIP switch setting DIP switch setting DIP switch setting DIP switch setting DIP switch setting DIP switch setting DIP switch setting DIP switch setting Registration sensor signal Original sensor signal Push switch signal RF switch signal Upper cover sensor signal Signal PDP5 PUSP PDP1 PDP2 LDD PDP3 DEP1 RFC UPCC1...

Page 508: ...ignal Bin shift motor M2 DOWN signal Bin shift motor M2 UP signal Feeding motor M1 PWM signal Delivery sensor PI1 paper detection signal Bin lower limit sensor MS4 signal Lead cam home position sensor PI3 signal Joint sensor MS1 signal 24V DOWN detection signal EEPROM serial input data EEPROM BUSY signal Dip switch signal 1 Dip switch signal 2 Dip switch signal 3 Dip switch signal 4 Push switch SW...

Page 509: ... 1 e 1 f 1 g 2 a 1 a 1 b 1 c 1 d 1 e 1 f 1 g 2 a Description Feeding motor M1 CW CCW signal Feeding motor M1 current switching signal 1 Feeding motor M1 current switching signal 2 LED ON signal Bin shift motor M2 clock signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB internal signal PCB intenal signal Signal FMA FMB FMCCC1 FMCCC2 LED Ja...

Page 510: ...ide bar motor drive signal Guide bar motor drive signal Guide bar motor drive signal Guide bar motor drive signal Guide bar motor ON signal Stapler motor normal rotation signal Stapler motor reverse rotation signal Stapler swing motor drive signal Communication signal Communication signal Bin shift up signal Bin shift down signal Communication signal Feeding motor clock pulse Communication signal ...

Page 511: ... 2 a 1 a 1 b 1 c 1 d 1 e 1 f 1 g 2 a Description Staple absent LED ON signal Staple ready indicator signal Stapler safety sensor signal Delivery sensor signal Manual staple key signal Bin paper sensor signal Dip switch signal 4 Dip switch signal 3 Dip switch signal 2 Dip switch signal 1 Signal STEMP SPLOK SPLSFT SPD MNSPL BPD Jack J7 10 J10 4 J3 1 J10 1 J10 6 J4 4 Remarks 0 staple absent 0 LED ON ...

Page 512: ...ic adjustment Leading edge margin adjustment Leading edge non image width adjustment Trailing edge non image width adjustment Left right margin adjustment Multifeeder paper width detection reference point 1 Multifeeder paper width detection reference point 2 Multifeeder paper width detection reference point 3 Remarks A higher setting obtain darker copies See p 11 18 See p 11 17 See p 11 16 A highe...

Page 513: ...stment DF original stop position adjustment Book frame erasing width adjustment Multifeeder pick up trailing edge margin adjustment free size pick up Remarks Use the keypad Use the keypad Use the keypad Use the keypad A higher setting increases the shift of the horizontal paper edge sensor thereby increasing the margin at the front unit 0 5 mm A higher setting moves the original stop position to t...

Page 514: ...ner at time of installation Use it to cause the developing assembly to rotate idly Use it to check the operation of the hopper motor Remarks To reset an error code press the OK key A press on the OK key will initialize the code and turn off the power switch See p 11 15 See p 11 41 A press on the OK key turn on all LED lamps on the control panel for 10 sec A press on the OK key turns on the scannin...

Page 515: ...detection reference point 1 2 or 3 Use it to automatically adjust the cassette 1 paper width detection reference point 1 or 2 Use it to automatically adjust the cassette 2 paper width detection reference point 1 or 2 Not used Not used Remarks Place two sheets of A4 copy paper on the multifeeder tray and open the copyboard cover Press the OK key so that the blank shutter will shift and two copies w...

Page 516: ...per G3 Use it to select U size paper G4 Use it to select cleaning belt feeding length Use it to select the static eliminator bias for multifeeder pick up Remarks on Enable auto power off off Disable auto power off 0 9 level 1 17 level on Enable size detection off Disable size detection 1 to 100 To change the setting press the number key pad and the OK key 0 G LTR 1 K LGL 0 FOOLSCAP 1 OFFICIO 2 E O...

Page 517: ...N JAPAN IMPRIME AU JAPON No 511 512 Function Use it to turn on off the auto energy saver function Use it to switch the copier s operation mode between AB configuration and Inch configuration 1 Remarks on Enable auto energy saver function off Disable auto energy saver function 1 AB configuration 0 Inch configuration Description Enable disable the function as necessary You have to select the copi er...

Page 518: ...icates the large size copy count from multifeeder Indicates the large size copy count from cassette 1 Indicates the large size copy count from cassette 2 Not used Not used Indicates the large size copy count 2nd side pick up for 2 sided copies Indicates the count of large size original feeding Indicates the small size total copy count Indicates the small size copy count from multifeeder Indicates ...

Page 519: ...tion one by one until the count value is indicated up to 8 digits The display changes sequentially at intervals of 700 msec Example count 751320 11 178 CHAPTER 11 TROUBLESHOOTING COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON ...

Page 520: ... When an error associated with E000 is detected the copier turns off the power switch in 2 sec and then turns off all power supplies The temperature of the upper fixing assembly exceeds 220 C Notes 1 2 When an error associated with E001 is detected the copier turns off the power switch in 2 sec and then turns off all power supplies The temperature does not reach 75 C within 35 sec after reaching 4...

Page 521: ...ng a specific temperature Notes 1 2 When an error associated with E003 is detected the copier turns off the power switch in 2 sec and then turns off all power supplies The SSR has turned while the heater H1 H2 is off when the power switch is turned on Note 2 The take up length of the cleaning belt inside the fixing assembly exceeds a specific value After the main motor drive signal has been genera...

Page 522: ...paper edge signal HRPD is not generated within 10 sec after the power switch is turned on The other switch is not turned on within 20 sec after the cleaner is passed through the first switch detecting range The scanner home position signal SCHP does not go 1 within 10 sec after the power switch or the door switch has been turned on The scanner took 10 sec or more to make a round trip SCFW SCRV The...

Page 523: ...ty DC controller PCB faulty DC controller PCB faulty DC controller PCB faulty Feeder DF control PCB faulty Connector poor contact Pedestal Pedestal controller PCB faulty Connector poor contact Auto power off function open circuit DC contorller PCB faulty Description The blank shutter home position signal BLHP is not generated within 7 sec after the power switch has been turned on The blank shutter...

Page 524: ...1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON 11 183 Code Cause Pedestal motor M1 faulty Pedestal controller PCB faulty Timing The motor clock signal is not input within 1 sec after pedestal motor drive signal has been generated E901 ...

Page 525: ... Delivery motor fails to rotate Delivery motor clock sensor faulty Original detection faulty Registration sensor faulty Original end sensor faulty Timing The communication with the copier has been disrupted for 5 sec or more Check are made at all times A flag is attached to the spindle of the pick up motor and the rotation of the pick up motor is monitored in reference to the flag blocking the pic...

Page 526: ...is with the sorter connected to the copier State in which an error code is indicated Turn off the joint sensor The connector may remain connected Code Cause CPU or communication IC on sorter controller faulty Feeder motor fails to rotate Stapler guide bar swing motor fails to rotate Stapler unit swing motor fails to rotate Bin shift motor fails to rotate Bin motor faulty Lead cam drive gear wrong ...

Page 527: ...N NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON APPENDIX A GENERAL TIMING CHART A 1 B SIGNALS AND ABBREVIATIONS A 2 C GENERAL CIRCUIT DIAGRAM A 5 D PEDESTAL CONTROLLER A 7 E SPECIAL TOOLS LIST A 9 F SOLVENTS AND OILS A 10 ...

Page 528: ...ponent Static eliminator Fixing roller bias Blank shutter solenoid SL5 Scanning lamp LA1 Scanner motor M2 Grid bias Cassette 1 pick up clutch CL2 Cassette 1 pick up release solenoid SL1 Vertical path roller 1 paper sensor PS7 Vertical path roller 1 clutch CL5 Pre registration paper sensor PS9 Registration clutch CL1 Separation sensor PS10 Delivery sensor PS11 Delivery motor M6 Total copy counter C...

Page 529: ...EOP DECK OPEN DETECTION signal DEPRL DECK PICK UP RELEASE SOLENOID DRIVE command DLP DECK LIFTER UPPER LIMIT POSITION signal DMA DELIVERY MOTOR DRIVE PULSE command A DMB DELIVERY MOTOR DRIVE PULSE command B DMCLK DELIVERY MOTOR CLOCK command DMD DELIVERY MOTOR DRIVE command DMI1 DELIVERY MOTOR CURRENT CONTROL command 1 DMI2 DELIVERY MOTOR CURRENT CONTROL command 2 DMRON DELIVERY MOTOR ROTATION com...

Page 530: ...N command SCRON SCANNING MOTOR ROTATION command SCVREF REFERENCE VOLTAGE command SERVICE SERVICE MODE SWITCH signal SFON STATIC ELIMINATOR FIXING ROLLER BIAS ON command SHRD SUB HERTER DRIVE command SIZE0 ORIGINAL SIZE DETECTION signal 0 SIZE1 ORIGINAL SIZE DETECTION signal 1 SIZE1 DECK SIZE signal 1 Pedestal SIZE2 ORIGINAL SIZE DETECTION signal 2 SIZE2 DECK SIZE signal 2 Pedestal SIZE3 ORIGINAL S...

Page 531: ...COPYRIGHT 1997 CANON INC CANON NP6330 REV 0 MAY 1997 PRINTED IN JAPAN IMPRIME AU JAPON A 4 A 8 A5 Not available A6 Not available A7 Not available ...

Page 532: ...ol front rear Spring gauge Cleaning oil Tool No TKN 0093 FY9 3002 000 CK 0054 TKN 0464 Shape No 1 2 3 4 Code A B B A Description Use it to adjust the distance between No 1 and No 2 mirrors For adjusting lens drive belt 0 to 1500g For cleaning the fixing roller 10 packs box Front door Point of use TKN 0464 000 CLEANNING OIL HUILE DE NETTOYAGE CANON INC JAPAN JAPON ...

Page 533: ...rt Lubricating fixing drive assemblies Lubricating scanner rail spring clutch Lubricating pick up assembly roller bushing FS2 1005 000 Lubricating drive and friction parts No 1 2 3 4 5 6 Remarks Do not bring near fire Procure localy Isopropyl alcohol may be substituted Do not bring near fire Procure locally CK 0427 500 g can CK 0451 100 cc CK 0524 100 cc CK 05512 20 g Composition C2 H5O CHZ3 2 CHO...

Page 534: ...ed by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPT 1 OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIV CANON INC Printed in Japan REVISION 0 MAY 1997 30359 10317 5 1 Hakusan 7 chome Toride shi Ibaraki 302 Japan ...

Page 535: ...PRINTED IN JAPAN IMPRIME AU JAPON This publication is printed on 70 reprocessed paper 0597S3 02 1 ...

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