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... TECHNICAL SUPPORT DIVISION CANON INC. 5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302-8501 Japan COPYRIGHT © 1999 CANON INC. COPYRIGHT © 1999 CANON INC. Printed in Japan Imprimé au Japon Use of this manual should be strictly supervised to avoid disclosure of confidential information. ANY QUESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DIRECTED TO THE COPIER SERVICE DEPARTMENT OF THE SALES...
... TECHNICAL SUPPORT DIVISION CANON INC. 5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302-8501 Japan COPYRIGHT © 1999 CANON INC. COPYRIGHT © 1999 CANON INC. Printed in Japan Imprimé au Japon Use of this manual should be strictly supervised to avoid disclosure of confidential information. ANY QUESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DIRECTED TO THE COPIER SERVICE DEPARTMENT OF THE SALES...
Service Manual
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.... Chapter 10 Maintenance and Servicing provides tables of maintenance/inspection, standards/ adjustments, and problem identification (image fault/malfunction). Chapter 3 Exposure System discusses the principles of operation used for the machine's exposure system. Chapter 5 Pick-Up/Feeding System discusses the principles of operation used for the machine's pickup/feeding system. Chapter 11 Troubleshooting provides tables of periodically replaced parts and consumables/durables and scheduled servicing charts. INTRODUCTION This service manual has been...
.... Chapter 10 Maintenance and Servicing provides tables of maintenance/inspection, standards/ adjustments, and problem identification (image fault/malfunction). Chapter 3 Exposure System discusses the principles of operation used for the machine's exposure system. Chapter 5 Pick-Up/Feeding System discusses the principles of operation used for the machine's pickup/feeding system. Chapter 11 Troubleshooting provides tables of periodically replaced parts and consumables/durables and scheduled servicing charts. INTRODUCTION This service manual has been...
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... Primary Charging Roller Bias 4-4 D. Cartridge 4-23 B. Blank Exposure 4-26 CHAPTER 5 PICK-UP/FEEDING SYSTEM I . OPERATIONS 6-1 A. Timing Chart for the Image Formation System 4-3 C. Transfer Charging Assembly 4-25 C. Pickup Assembly 5-19 B. Delivery Assembly 5-36 CHAPTER 6 FIXING SYSTEM I. IMAGE FORMATION SYSTEM ...4-1 A. Controlling the Developing/ Separation Static Eliminator Bias 4-11 F. Outline 5-1 B. Controlling the Pickup Roller 5-3 C. Single-feeder Assembly ..... 5-31 D. DISASSEMBLY/ASSEMBLY ..... 6-10 A. Fixing Assembly 6-11...
... Primary Charging Roller Bias 4-4 D. Cartridge 4-23 B. Blank Exposure 4-26 CHAPTER 5 PICK-UP/FEEDING SYSTEM I . OPERATIONS 6-1 A. Timing Chart for the Image Formation System 4-3 C. Transfer Charging Assembly 4-25 C. Pickup Assembly 5-19 B. Delivery Assembly 5-36 CHAPTER 6 FIXING SYSTEM I. IMAGE FORMATION SYSTEM ...4-1 A. Controlling the Developing/ Separation Static Eliminator Bias 4-11 F. Outline 5-1 B. Controlling the Pickup Roller 5-3 C. Single-feeder Assembly ..... 5-31 D. DISASSEMBLY/ASSEMBLY ..... 6-10 A. Fixing Assembly 6-11...
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... AND ABBREVIATIONS A-3 C. Lamp, Heater, Motor, Etc. 11-81 D. BLANK EXPOSURE (front) CIRCUIT DIAGRAM A-33 M. Copy Paper Jam 11-75 B. HIGH VOLTAGE CONTACT CIRCUIT DIAGRAM A-32 L. CHAPTER 11 TROUBLESHOOTING I . TROUBLESHOOTING IMAGE FAULTS 11-48 A. SELF DIAGNOSIS 11-86 APPENDIX A. GENERAL TIMING CHART ........ Making Initial Checks ....... 11-48 B. GENERAL CIRCUIT DIAGRAM A-5 D. BLANK EXPOSURE (rear) CIRCUIT DIAGRAM A-34 N. Points to Note for Servicing 11-4 II. MAINTENANCE AND INSPECTION 11...
... AND ABBREVIATIONS A-3 C. Lamp, Heater, Motor, Etc. 11-81 D. BLANK EXPOSURE (front) CIRCUIT DIAGRAM A-33 M. Copy Paper Jam 11-75 B. HIGH VOLTAGE CONTACT CIRCUIT DIAGRAM A-32 L. CHAPTER 11 TROUBLESHOOTING I . TROUBLESHOOTING IMAGE FAULTS 11-48 A. SELF DIAGNOSIS 11-86 APPENDIX A. GENERAL TIMING CHART ........ Making Initial Checks ....... 11-48 B. GENERAL CIRCUIT DIAGRAM A-5 D. BLANK EXPOSURE (rear) CIRCUIT DIAGRAM A-34 N. Points to Note for Servicing 11-4 II. MAINTENANCE AND INSPECTION 11...
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... cassette). • In manual feed mode, paper may be between 70% and 141% in -One Cartridge for Simple Maintenance • The photosensitive drum, toner case, charging roller, developing assembly, and cleaning assembly are constructed as a business card. 5. COPYRIGHT © 1999 CANON INC. FEATURES 1. Personal Copier with existing Canon machines). 3. CHAPTER 1 GENERAL DESCRIPTION I. SURF Fixing Assembly • The wait time is possible with the use of a roller charging method has...
... cassette). • In manual feed mode, paper may be between 70% and 141% in -One Cartridge for Simple Maintenance • The photosensitive drum, toner case, charging roller, developing assembly, and cleaning assembly are constructed as a business card. 5. COPYRIGHT © 1999 CANON INC. FEATURES 1. Personal Copier with existing Canon machines). 3. CHAPTER 1 GENERAL DESCRIPTION I. SURF Fixing Assembly • The wait time is possible with the use of a roller charging method has...
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... the selected copy density mode. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-15 Name 1 Copy density adjusting lever 2 Copy density mode indicator 3 Default ratio indicator 4 Paper selection indicator*1 5 Jam indicator 6 Count/ratio indicator 7 Clear/stop key 8 Copy start key 9 Power switch Figure 1-401 Description Adjusts the density of copies or reproduction ratio. • The symbol "%" turns on and off the power. Control Panel...
... the selected copy density mode. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-15 Name 1 Copy density adjusting lever 2 Copy density mode indicator 3 Default ratio indicator 4 Paper selection indicator*1 5 Jam indicator 6 Count/ratio indicator 7 Clear/stop key 8 Copy start key 9 Power switch Figure 1-401 Description Adjusts the density of copies or reproduction ratio. • The symbol "%" turns on and off the power. Control Panel...
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.... CHAPTER 2 BASIC OPERATION I. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-1 Control system Control panel Exposure system Copyboard Control circuit Original illuminating block Optical block Primary charging roller Image formation system Drum cleaning block Photosensitive drum Developing assembly Copy tray Feeding Fixing assembly/ delivery assembly Transfer/ separation Cassette Figure 2-101 Pickup control block Manual feed block Pickup/ feeding system COPYRIGHT ©...
.... CHAPTER 2 BASIC OPERATION I. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-1 Control system Control panel Exposure system Copyboard Control circuit Original illuminating block Optical block Primary charging roller Image formation system Drum cleaning block Photosensitive drum Developing assembly Copy tray Feeding Fixing assembly/ delivery assembly Transfer/ separation Cassette Figure 2-101 Pickup control block Manual feed block Pickup/ feeding system COPYRIGHT ©...
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..., the machine is removed from light. b. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-23 Light-Blocking Shutter When the cartridge is equipped with a drum cover shutter. Cartridge 1. Do not open when the cartridge is fit into the machine and the machine's top unit is provided to as a "cartridge." (You cannot disassemble the cartridge.) Developing blade Primary charging roller Light-blocking shutter Photosensitive drum Cleaning blade Drum cover...
..., the machine is removed from light. b. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-23 Light-Blocking Shutter When the cartridge is equipped with a drum cover shutter. Cartridge 1. Do not open when the cartridge is fit into the machine and the machine's top unit is provided to as a "cartridge." (You cannot disassemble the cartridge.) Developing blade Primary charging roller Light-blocking shutter Photosensitive drum Cleaning blade Drum cover...
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....0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) DISASSEMBLY/ASSEMBLY As needed, disassemble/assemble the machine with any screws indiscriminately. 5-18 COPYRIGHT © 1999 CANON INC. Unless otherwise instructed, assemble the parts by type (length, diameter) and location. 4. CHAPTER 5 PICK-UP/FEEDING SYSTEM II. Before starting the work, turn off the power switch and disconnect the power plug for safety. 2. Use the washers where...
....0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) DISASSEMBLY/ASSEMBLY As needed, disassemble/assemble the machine with any screws indiscriminately. 5-18 COPYRIGHT © 1999 CANON INC. Unless otherwise instructed, assemble the parts by type (length, diameter) and location. 4. CHAPTER 5 PICK-UP/FEEDING SYSTEM II. Before starting the work, turn off the power switch and disconnect the power plug for safety. 2. Use the washers where...
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... means of the machine, and open the machine's top unit. CHAPTER 9 INSTALLATION III. Turn off the power switch, and disconnect the power plug from the outlet. Press the Paper Select key to make sure that the machines is replaced. Pull the open/close lever found on the machine's top unit to select 70%. Step 1 2 3 4 5 Work Checks and remarks Turn on the manual feed tray. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN...
... means of the machine, and open the machine's top unit. CHAPTER 9 INSTALLATION III. Turn off the power switch, and disconnect the power plug from the outlet. Press the Paper Select key to make sure that the machines is replaced. Pull the open/close lever found on the machine's top unit to select 70%. Step 1 2 3 4 5 Work Checks and remarks Turn on the manual feed tray. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN...
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III. CHAPTER 10 MAINTENANCE AND SERVICING I. DURABLES AND CONSUMABLES The machine does not have parts which require scheduled servicing. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-1 COPYRIGHT © 1999 CANON INC. II. PERIODICALLY REPLACED PARTS The machine does not have items designated as durables or consumables. SCHEDULED SERVICING The machine does not have any parts which must be replaced on a periodical basis.
III. CHAPTER 10 MAINTENANCE AND SERVICING I. DURABLES AND CONSUMABLES The machine does not have parts which require scheduled servicing. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-1 COPYRIGHT © 1999 CANON INC. II. PERIODICALLY REPLACED PARTS The machine does not have items designated as durables or consumables. SCHEDULED SERVICING The machine does not have any parts which must be replaced on a periodical basis.
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... strong as by opening the shutter for a long time, however, copies can start to work briskly when removing a jam or replacing the cartridge. 2. The photosensitive drum is susceptible to light of 1500 lux (general lighting) for 5 min and then left alone in a dark place for 5 min, it should recover so that it will not cause practical problems. Nevertheless, avoid direct sunshine. (The...
... strong as by opening the shutter for a long time, however, copies can start to work briskly when removing a jam or replacing the cartridge. 2. The photosensitive drum is susceptible to light of 1500 lux (general lighting) for 5 min and then left alone in a dark place for 5 min, it should recover so that it will not cause practical problems. Nevertheless, avoid direct sunshine. (The...
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CHAPTER 11 TROUBLESHOOTING I. Points to Note for Servicing 11-4 II. Copy Paper Jam 11-75 B. PCBs 11-82 E. Making Initial Checks ....... 11-48 B. MAINTENANCE AND INSPECTION 11-3 A. Mechanical 11-5 B. Electrical 11-41 III. TROUBLESHOOTING FEEDING PROBLEMS 11-75 A. Faulty Feeding 11-78 VI. ADF 11-83 F. SELF DIAGNOSIS 11-86 COPYRIGHT © 1999 CANON INC. TROUBLESHOOTING MALFUNCTIONS 11-61 A. Sensors and Solenoids .... 11-79 B. Image Adjustment...
CHAPTER 11 TROUBLESHOOTING I. Points to Note for Servicing 11-4 II. Copy Paper Jam 11-75 B. PCBs 11-82 E. Making Initial Checks ....... 11-48 B. MAINTENANCE AND INSPECTION 11-3 A. Mechanical 11-5 B. Electrical 11-41 III. TROUBLESHOOTING FEEDING PROBLEMS 11-75 A. Faulty Feeding 11-78 VI. ADF 11-83 F. SELF DIAGNOSIS 11-86 COPYRIGHT © 1999 CANON INC. TROUBLESHOOTING MALFUNCTIONS 11-61 A. Sensors and Solenoids .... 11-79 B. Image Adjustment...
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... charging roller Copy paper Transfer lower guide, Varistor Composite power supply PCB, DC controller PCB Cartridge Developing bias, Developing bias terminal Step 1 2 3 4 5 6 Checks Clean the lens, reflecting plate, AE sensor, and static eliminator. Measure the electrical resistance on the correct method of the fixing assembly. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Is the problem corrected...
... charging roller Copy paper Transfer lower guide, Varistor Composite power supply PCB, DC controller PCB Cartridge Developing bias, Developing bias terminal Step 1 2 3 4 5 6 Checks Clean the lens, reflecting plate, AE sensor, and static eliminator. Measure the electrical resistance on the correct method of the fixing assembly. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Is the problem corrected...
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... lever set to the middle setting, and make a copy. YES/NO NO YES NO YES Action Set the switch or the lever to the middle setting? CHAPTER 11 TROUBLESHOOTING 4 The copy has uneven density. (darker at front) 5 The copy has uneven density. (lighter at front) Cause Scanner Cartridge, Scanning lamp Transfer charging roller Step 1 2 Checks Clean the scanning lamp, reflecting plate, lens, and mirror. Replace the cartridge. 2. Set the cartridge in...
... lever set to the middle setting, and make a copy. YES/NO NO YES NO YES Action Set the switch or the lever to the middle setting? CHAPTER 11 TROUBLESHOOTING 4 The copy has uneven density. (darker at front) 5 The copy has uneven density. (lighter at front) Cause Scanner Cartridge, Scanning lamp Transfer charging roller Step 1 2 Checks Clean the scanning lamp, reflecting plate, lens, and mirror. Replace the cartridge. 2. Set the cartridge in...
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... Scanner Transfer guide assembly Cartridge Step 1 2 Checks Clean the scanning lamp, reflecting plate, lens, and mirror. Is the problem corrected? 4 Is there foreign matter or scratches in the middle of toner. NO Replace the cartridge. YES End. Is the problem corrected? 3 Take out and then set the cartridge once again. Is the problem corrected? CHAPTER 11 TROUBLESHOOTING 7 The copy is running out of a copying run, and open the machine...
... Scanner Transfer guide assembly Cartridge Step 1 2 Checks Clean the scanning lamp, reflecting plate, lens, and mirror. Is the problem corrected? 4 Is there foreign matter or scratches in the middle of toner. NO Replace the cartridge. YES End. Is the problem corrected? 3 Take out and then set the cartridge once again. Is the problem corrected? CHAPTER 11 TROUBLESHOOTING 7 The copy is running out of a copying run, and open the machine...
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... YES NO Action Correct the light image problem first. 1. Instruct the user on the correct method of -focus) Cause Original Lens Mirror position Scanner Cartridge Step 1 2 3 4 5 Checks Is the image also too light? Remove the opening seal. Is the problem corrected? Replace the cartridge COPYRIGHT © 1999 CANON INC. Replace the cartridge. 21 The copy is blank. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON...
... YES NO Action Correct the light image problem first. 1. Instruct the user on the correct method of -focus) Cause Original Lens Mirror position Scanner Cartridge Step 1 2 3 4 5 Checks Is the image also too light? Remove the opening seal. Is the problem corrected? Replace the cartridge COPYRIGHT © 1999 CANON INC. Replace the cartridge. 21 The copy is blank. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON...
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Is the lens home position sensor (PS2) normal? (For instructions on ? Replace the DC controller PCB. 9 E220 Cause Composite power supply PCB DC controller PCB Step 1 2 Checks Does the scanning lamp turn on." End. Is the problem corrected? End. However, if 'E261' occurs frequently, advise the user to turn on the power switch. Replace the composite power supply PCB. NO Replace the DC controller PCB. 10...
Is the lens home position sensor (PS2) normal? (For instructions on ? Replace the DC controller PCB. 9 E220 Cause Composite power supply PCB DC controller PCB Step 1 2 Checks Does the scanning lamp turn on." End. Is the problem corrected? End. However, if 'E261' occurs frequently, advise the user to turn on the power switch. Replace the composite power supply PCB. NO Replace the DC controller PCB. 10...
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... the Copy Start key is pressed? See "DC power fails to turn on the DC controller PCB change to about 24 V? Cause Cable Scanner path Composite power supply PCB Pre-registration roller paper sensor (Q751) Scanner/lens drive motor (M2) DC controller PCB Step 1 2 3 4 5 Checks Is the scanner drive cable routed correctly? Yes Check the wiring from J108 on ." COPYRIGHT © 1999 CANON INC...
... the Copy Start key is pressed? See "DC power fails to turn on the DC controller PCB change to about 24 V? Cause Cable Scanner path Composite power supply PCB Pre-registration roller paper sensor (Q751) Scanner/lens drive motor (M2) DC controller PCB Step 1 2 3 4 5 Checks Is the scanner drive cable routed correctly? Yes Check the wiring from J108 on ." COPYRIGHT © 1999 CANON INC...
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... path roller paper sensor (PS4) normal? (For instructions on how to check the photointerrupters, see p. 11-47.) YES/NO YES NO YES Action Remove the jam paper. YES/NO NO NO NO Action Set the cassette correctly. See "The DC power fails to turn on the composite power PCB. CHAPTER 11 TROUBLESHOOTING 25 The "Add Paper" message fails to turn off . Is the problem corrected? NO Check the...
... path roller paper sensor (PS4) normal? (For instructions on how to check the photointerrupters, see p. 11-47.) YES/NO YES NO YES Action Remove the jam paper. YES/NO NO NO NO Action Set the cassette correctly. See "The DC power fails to turn on the composite power PCB. CHAPTER 11 TROUBLESHOOTING 25 The "Add Paper" message fails to turn off . Is the problem corrected? NO Check the...
