Service Manual
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...the machine's pickup/feeding system. Chapter 10 Maintenance and Servicing provides tables of maintenance/inspection, standards/ adjustments, and problem identification (image fault/malfunction). CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) i This service manual consists of the ... may be disassembled/assembled and adjusted. Appendix contains a general timing chart and general circuit diagrams. COPYRIGHT © 1999 CANON INC. It also explains the timing at which exposurerelated mechanisms are reproduced. It also explains the timing at which fixing-...
...the machine's pickup/feeding system. Chapter 10 Maintenance and Servicing provides tables of maintenance/inspection, standards/ adjustments, and problem identification (image fault/malfunction). CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) i This service manual consists of the ... may be disassembled/assembled and adjusted. Appendix contains a general timing chart and general circuit diagrams. COPYRIGHT © 1999 CANON INC. It also explains the timing at which exposurerelated mechanisms are reproduced. It also explains the timing at which fixing-...
Service Manual
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... 11-86 APPENDIX A. SENSOR CIRCUIT DIAGRAM A-30 J. SOLVENTS/OILS A-36 viii COPYRIGHT © 1999 CANON INC. Image Adjustment Basic Procedure 11-3 B. ADF 11-30 C. TROUBLESHOOTING FEEDING PROBLEMS 11-75 A. Copy Paper Jam 11-75 B. PCBs 11-82 E. SIGNALS AND ABBREVIATIONS A-3 C. ... A-7 E. AE SENSOR CIRCUIT DIAGRAM A-29 I . NOISE FILTER CIRCUIT DIAGRAM A-31 K. MAINTENANCE AND INSPECTION 11-3 A. Mechanical 11-5 B. A-1 B. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Switches 11-80 C. Variable Resistors (VR) and Check Pins by PCB .............
... 11-86 APPENDIX A. SENSOR CIRCUIT DIAGRAM A-30 J. SOLVENTS/OILS A-36 viii COPYRIGHT © 1999 CANON INC. Image Adjustment Basic Procedure 11-3 B. ADF 11-30 C. TROUBLESHOOTING FEEDING PROBLEMS 11-75 A. Copy Paper Jam 11-75 B. PCBs 11-82 E. SIGNALS AND ABBREVIATIONS A-3 C. ... A-7 E. AE SENSOR CIRCUIT DIAGRAM A-29 I . NOISE FILTER CIRCUIT DIAGRAM A-31 K. MAINTENANCE AND INSPECTION 11-3 A. Mechanical 11-5 B. A-1 B. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Switches 11-80 C. Variable Resistors (VR) and Check Pins by PCB .............
Service Manual
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...: If the photosensitive drum is left alone for 5 min in which it to a level at which it , use paper, lint-free or otherwise. 3. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Otherwise, the leaf spring used to apply a developing bias to the developing cylinder will... sure to rotate it in the direction in a dark place, it will develop poor contact. 2. However, avoid exposing it will cause no practical problem. The rays of 1500 lux (ordinary lighting) for an appreciable time, the images will be sure to work briskly. If you must clean it rotates...
...: If the photosensitive drum is left alone for 5 min in which it to a level at which it , use paper, lint-free or otherwise. 3. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Otherwise, the leaf spring used to apply a developing bias to the developing cylinder will... sure to rotate it in the direction in a dark place, it will develop poor contact. 2. However, avoid exposing it will cause no practical problem. The rays of 1500 lux (ordinary lighting) for an appreciable time, the images will be sure to work briskly. If you must clean it rotates...
Service Manual
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... Main motor (M1) Registration clutch solenoid (SL2) Delivery sensor (PS3) Fixing heater (H1) Scanner Heater OFF Heater ON Forward Reverse Figure 6-107 COPYRIGHT © 1999 CANON INC. To prevent possible problems, power to the fixing heater is stopped between Sheets When the copying speed is controlled to 6 cpm...
... Main motor (M1) Registration clutch solenoid (SL2) Delivery sensor (PS3) Fixing heater (H1) Scanner Heater OFF Heater ON Forward Reverse Figure 6-107 COPYRIGHT © 1999 CANON INC. To prevent possible problems, power to the fixing heater is stopped between Sheets When the copying speed is controlled to 6 cpm...
Service Manual
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...work briskly when removing a jam or replacing the cartridge. 2. Do not clean it is as strong as 10000 and 30000 lux.) COPYRIGHT © 1999 CANON INC. Do not disassemble the cartridge. f. Make sure that it . Try to excess vibration or impact. Do not leave it with a flannel cloth ... taken out of the photosensitive drum, wipe it outside the machine unprotected. Try leaving the machine alone as long as possible if such a problem is provided as by opening the shutter for the photosensitive drum cover found at the bottom of the cartridge. (If you have soiled the ...
...work briskly when removing a jam or replacing the cartridge. 2. Do not clean it is as strong as 10000 and 30000 lux.) COPYRIGHT © 1999 CANON INC. Do not disassemble the cartridge. f. Make sure that it . Try to excess vibration or impact. Do not leave it with a flannel cloth ... taken out of the photosensitive drum, wipe it outside the machine unprotected. Try leaving the machine alone as long as possible if such a problem is provided as by opening the shutter for the photosensitive drum cover found at the bottom of the cartridge. (If you have soiled the ...
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MAINTENANCE AND INSPECTION 11-3 A. TROUBLESHOOTING FEEDING PROBLEMS 11-75 A. Faulty Feeding 11-78 VI. Switches 11-80 C. ADF 11-83 F. SELF DIAGNOSIS 11-86 COPYRIGHT © 1999 CANON INC. Image Adjustment Basic Procedure 11-3 B. STANDARDS AND ADJUSTMENTS 11-5 A. Troubleshooting Image Faults 11-53 IV. Variable Resistors (VR) and Check Pins ...-61 A. CHAPTER 11 TROUBLESHOOTING I. PCBs 11-82 E. Points to Note for Servicing 11-4 II. Sample Image Faults ....... 11-52 C. ADF 11-30 C. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
MAINTENANCE AND INSPECTION 11-3 A. TROUBLESHOOTING FEEDING PROBLEMS 11-75 A. Faulty Feeding 11-78 VI. Switches 11-80 C. ADF 11-83 F. SELF DIAGNOSIS 11-86 COPYRIGHT © 1999 CANON INC. Image Adjustment Basic Procedure 11-3 B. STANDARDS AND ADJUSTMENTS 11-5 A. Troubleshooting Image Faults 11-53 IV. Variable Resistors (VR) and Check Pins ...-61 A. CHAPTER 11 TROUBLESHOOTING I. PCBs 11-82 E. Points to Note for Servicing 11-4 II. Sample Image Faults ....... 11-52 C. ADF 11-30 C. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
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....) • To find out the checks to make the indicated checks. If the problem is "AC power is absent," you want to find out the cause (possible fault) of a specific problem, see the "Cause" column. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-1 Is...
....) • To find out the checks to make the indicated checks. If the problem is "AC power is absent," you want to find out the cause (possible fault) of a specific problem, see the "Cause" column. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-1 Is...
Service Manual
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...the delivery cover NO Close the door closed firmly? Connect the negative probe. 11-2 COPYRIGHT © 1999 CANON INC. YES 3 Is the rated voltage present at the NO Advise the user that the problem power source? The symbol "+" indicates the terminal to which you will find the following instructions when checking ... cover. example: J109-1 (+) ..... J109-2 (-) ...... CHAPTER 11 TROUBLESHOOTING Is the power 1 plug connected to connect the positive probe of the meter and "-," the negative probe. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
...the delivery cover NO Close the door closed firmly? Connect the negative probe. 11-2 COPYRIGHT © 1999 CANON INC. YES 3 Is the rated voltage present at the NO Advise the user that the problem power source? The symbol "+" indicates the terminal to which you will find the following instructions when checking ... cover. example: J109-1 (+) ..... J109-2 (-) ...... CHAPTER 11 TROUBLESHOOTING Is the power 1 plug connected to connect the positive probe of the meter and "-," the negative probe. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Service Manual
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...TROUBLESHOOTING III. The site must not be subject to provide curtains.) e. Checking the Originals Check the originals to find out whether the problem in pencil tend to produce copies with transparency tend to the middle index. a. c. Copyboard Cover and Copyboard Glass If the copyboard ... Check the transfer charging roller for dirt. The machine must not be subject to direct rays of package. 11-48 COPYRIGHT © 1999 CANON INC. d. The voltage of a type recommended by the machine or the originals. Feeding Assembly Check the feeding assembly for dirt or fault...
...TROUBLESHOOTING III. The site must not be subject to provide curtains.) e. Checking the Originals Check the originals to find out whether the problem in pencil tend to produce copies with transparency tend to the middle index. a. c. Copyboard Cover and Copyboard Glass If the copyboard ... Check the transfer charging roller for dirt. The machine must not be subject to direct rays of package. 11-48 COPYRIGHT © 1999 CANON INC. d. The voltage of a type recommended by the machine or the originals. Feeding Assembly Check the feeding assembly for dirt or fault...
Service Manual
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... develop condensation if it is opened before it , leading to warm place. If condensation is brought in from a cold to various problems; Others When a machine is noted, dry wipe the parts in the pickup/feeding assembly tends to be cold (high OPC electrical ... The drum is not opened immediately after it has been brought from a cold place (e.g., warehouse) to two hours). 11-50 COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING 9. c. Condensation on the scanner (glass, lens, mirror, reflecting plate) will reduce friction, causing pickup faults. The cartridge ...
... develop condensation if it is opened before it , leading to warm place. If condensation is brought in from a cold to various problems; Others When a machine is noted, dry wipe the parts in the pickup/feeding assembly tends to be cold (high OPC electrical ... The drum is not opened immediately after it has been brought from a cold place (e.g., warehouse) to two hours). 11-50 COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING 9. c. Condensation on the scanner (glass, lens, mirror, reflecting plate) will reduce friction, causing pickup faults. The cartridge ...
Service Manual
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... for electrical continuity. 2. Replace the electric unit (composite power supply PCB, DC controller PCB). COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING C. Is the problem corrected? YES/NO YES NO NO YES YES NO YES NO Action End. Check to find out if the transfer ...lower guide happens to step 6. 1. End. Is the problem corrected? Go to be moist. Replace the varistor. 1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Is the problem corrected? Try fresh copy paper. Replace the transfer charging roller. 1. ...
... for electrical continuity. 2. Replace the electric unit (composite power supply PCB, DC controller PCB). COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING C. Is the problem corrected? YES/NO YES NO NO YES YES NO YES NO Action End. Check to find out if the transfer ...lower guide happens to step 6. 1. End. Is the problem corrected? Go to be moist. Replace the varistor. 1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Is the problem corrected? Try fresh copy paper. Replace the transfer charging roller. 1. ...
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... reflecting plate, lens, and mirror. Check the activation of a copying run, and open the machine. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) End. Is the problem corrected? Set the cartridge in reference to the middle setting, and make a copy. Check the developing ...assembly. 11-54 COPYRIGHT © 1999 CANON INC. YES/NO Action YES End. Is the toner image on the ...
... reflecting plate, lens, and mirror. Check the activation of a copying run, and open the machine. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) End. Is the problem corrected? Set the cartridge in reference to the middle setting, and make a copy. Check the developing ...assembly. 11-54 COPYRIGHT © 1999 CANON INC. YES/NO Action YES End. Is the toner image on the ...
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... foreign matter, or replace the transfer charging roller. COPYRIGHT © 1999 CANON INC. Is the problem corrected? Clean the transfer guide assembly. YES End. Shake the cartridge several times. Is the problem corrected? Cartridge YES/NO Action YES Check the fixing assembly. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON...
... foreign matter, or replace the transfer charging roller. COPYRIGHT © 1999 CANON INC. Is the problem corrected? Clean the transfer guide assembly. YES End. Shake the cartridge several times. Is the problem corrected? Cartridge YES/NO Action YES Check the fixing assembly. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON...
Service Manual
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... results are good, ask the user to step 3. 1. Clean the pickup guide assembly and the delivery roller. 11-56 COPYRIGHT © 1999 CANON INC. Check the cartridge for foreign matter. 2. Clean the feeding assembly. CHAPTER 11 TROUBLESHOOTING 12 The copy has white spots. (horizontal) Cause ...paper Step Checks 1 Is the paper of a recommended type? 2 Try paper fresh out of storing paper. 1. Is the problem corrected? Scanner rail 3 Is the problem noted at the same position on the correct method of package. Is the feeding assembly soiled? Check the scanning lamp for flickering ...
... results are good, ask the user to step 3. 1. Clean the pickup guide assembly and the delivery roller. 11-56 COPYRIGHT © 1999 CANON INC. Check the cartridge for foreign matter. 2. Clean the feeding assembly. CHAPTER 11 TROUBLESHOOTING 12 The copy has white spots. (horizontal) Cause ...paper Step Checks 1 Is the paper of a recommended type? 2 Try paper fresh out of storing paper. 1. Is the problem corrected? Scanner rail 3 Is the problem noted at the same position on the correct method of package. Is the feeding assembly soiled? Check the scanning lamp for flickering ...
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...scratches. The control temperature of a recommended type? Or, replace them . YES End. (p. 11-6) Is the problem corrected? YES/NO NO YES NO YES Action Try a recommended type. COPYRIGHT © 1999 CANON INC. Does the heater turn on." If there are good, ask the user to use a recommended type....Fixing heater DC controller PCB, Composite power supply PCB Step 1 2 3 Checks Is the copy paper of the fixing heater is pressed? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-57 CHAPTER 11 TROUBLESHOOTING 14 The copy has a fixing fault.
...scratches. The control temperature of a recommended type? Or, replace them . YES End. (p. 11-6) Is the problem corrected? YES/NO NO YES NO YES Action Try a recommended type. COPYRIGHT © 1999 CANON INC. Does the heater turn on." If there are good, ask the user to use a recommended type....Fixing heater DC controller PCB, Composite power supply PCB Step 1 2 3 Checks Is the copy paper of the fixing heater is pressed? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-57 CHAPTER 11 TROUBLESHOOTING 14 The copy has a fixing fault.
Service Manual
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Then, apply lubricant. (CK-0551) See "The scanner fails to move slowly? Is the problem corrected? YES/NO YES YES NO YES NO Action Replace the scanning lamp. End. Or, is moving? Clean the surface of the scanner rail with ... by hand. Is abnormal noise heard from the scanner motor? Check the feeding assembly for burrs. Is the problem found at different positions? Check the feeding system. 11-58 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) YES/NO YES NO YES YES NO...
Then, apply lubricant. (CK-0551) See "The scanner fails to move slowly? Is the problem corrected? YES/NO YES YES NO YES NO Action Replace the scanning lamp. End. Or, is moving? Clean the surface of the scanner rail with ... by hand. Is abnormal noise heard from the scanner motor? Check the feeding assembly for burrs. Is the problem found at different positions? Check the feeding system. 11-58 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) YES/NO YES NO YES YES NO...
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...NO NO YES NO Action Correct the light image problem first. 1. Replace the cartridge. 21 The copy is blank. Does the drum cover shutter open seal been removed? Check the cartridge. Replace the cartridge COPYRIGHT © 1999 CANON INC. Is the horizontal ratio in the machine?... 3 4 5 6 Checks Is the cartridge set in Direct within specification? Replace the cartridge. YES Check the highvoltage transformer (composite power supply PCB). CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-59 CHAPTER 11 TROUBLESHOOTING 20 The copy has poor sharpness. (out-of ...
...NO NO YES NO Action Correct the light image problem first. 1. Replace the cartridge. 21 The copy is blank. Does the drum cover shutter open seal been removed? Check the cartridge. Replace the cartridge COPYRIGHT © 1999 CANON INC. Is the horizontal ratio in the machine?... 3 4 5 6 Checks Is the cartridge set in Direct within specification? Replace the cartridge. YES Check the highvoltage transformer (composite power supply PCB). CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-59 CHAPTER 11 TROUBLESHOOTING 20 The copy has poor sharpness. (out-of ...
Service Manual
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...J102 on the DC controller PCB and the wiring to the thermistor (TH1) normal? 2 Replace the fixing assembly upper unit. Is the problem corrected? 4 Replace the composite power supply PCB. if normal, replace the fixing assembly upper unit. NO Replace the DC controller PCB....CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) YES End. Check the wiring from the composite power supply PCB to the fixing heater; Is the problem corrected? Step 1 Checks Are the connection of J102 on the DC controller PCB and the wiring to the thermistor (TH1). Is the problem...
...J102 on the DC controller PCB and the wiring to the thermistor (TH1) normal? 2 Replace the fixing assembly upper unit. Is the problem corrected? 4 Replace the composite power supply PCB. if normal, replace the fixing assembly upper unit. NO Replace the DC controller PCB....CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) YES End. Check the wiring from the composite power supply PCB to the fixing heater; Is the problem corrected? Step 1 Checks Are the connection of J102 on the DC controller PCB and the wiring to the thermistor (TH1). Is the problem...
Service Manual
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...-2 on the fixing heater side? Check the wiring from the composite power supply PCB to the thermistor (TH1) normal? COPYRIGHT © 1999 CANON INC. Is the problem corrected? 4 Replace the composite power supply PCB. if normal, replace the fixing upper unit. NO Replace the DC controller PCB. 5 E010 ... YES NO Action Correct the connection of J205 on the composite power supply PCB and the wiring to turn on." YES End. Is the problem corrected? CHAPTER 11 TROUBLESHOOTING 4 E002, E003 Cause Thermistor (TH1) Step 1 Checks Is the connection of J102 on the DC controller PCB ...
...-2 on the fixing heater side? Check the wiring from the composite power supply PCB to the thermistor (TH1) normal? COPYRIGHT © 1999 CANON INC. Is the problem corrected? 4 Replace the composite power supply PCB. if normal, replace the fixing upper unit. NO Replace the DC controller PCB. 5 E010 ... YES NO Action Correct the connection of J205 on the composite power supply PCB and the wiring to turn on." YES End. Is the problem corrected? CHAPTER 11 TROUBLESHOOTING 4 E002, E003 Cause Thermistor (TH1) Step 1 Checks Is the connection of J102 on the DC controller PCB ...
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...connection between the composite power supply PCB and the high-voltage contact PCB. Is the transfer charging roller or the contact faulty? Is the problem corrected? NO Replace the DC controller PCB. 7 The keys on the control panel are locked. ('E202') Cause Scanner home position sensor ... (For instructions on ? Replace the DC controller PCB. 11-64 11-64 COPYRIGHT © 1999 CANON INC. Check the wiring from J101 on the power switch; if normal, replace PS1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) YES End. YES End. Replace...
...connection between the composite power supply PCB and the high-voltage contact PCB. Is the transfer charging roller or the contact faulty? Is the problem corrected? NO Replace the DC controller PCB. 7 The keys on the control panel are locked. ('E202') Cause Scanner home position sensor ... (For instructions on ? Replace the DC controller PCB. 11-64 11-64 COPYRIGHT © 1999 CANON INC. Check the wiring from J101 on the power switch; if normal, replace PS1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) YES End. YES End. Replace...