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... System 4-3 C. Measuring the Density of Paper 5-9 D. DISASSEMBLY/ASSEMBLY ..... 4-22 A. Transfer Charging Assembly 4-25 C. Blank Exposure 4-26 CHAPTER 5 PICK-UP/FEEDING SYSTEM I . Pickup Assembly 5-19 B. Single-feeder Assembly ..... 5-31 D. OPERATIONS 6-1 A. Outline 6-1 B. Controlling the Developing/ Separation Static Eliminator Bias 4-11 F. Outline 5-1 B. Fixing Assembly 6-11 vi COPYRIGHT © 1999 CANON INC. Controlling the Primary Charging Roller...
... System 4-3 C. Measuring the Density of Paper 5-9 D. DISASSEMBLY/ASSEMBLY ..... 4-22 A. Transfer Charging Assembly 4-25 C. Blank Exposure 4-26 CHAPTER 5 PICK-UP/FEEDING SYSTEM I . Pickup Assembly 5-19 B. Single-feeder Assembly ..... 5-31 D. OPERATIONS 6-1 A. Outline 6-1 B. Controlling the Developing/ Separation Static Eliminator Bias 4-11 F. Outline 5-1 B. Fixing Assembly 6-11 vi COPYRIGHT © 1999 CANON INC. Controlling the Primary Charging Roller...
Service Manual
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... Construction 8-2 C. Detecting an Original 8-6 E. Controlling the Pickup Motor 8-14 H. Feeding System 8-26 E. UNPACKING AND INSTALLATION 9-2 A. Unpacking and Installation ....9-2 B. DURABLES AND CONSUMABLES... Storing the Cartridge with the Packaging Seal Removed 10-3 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) vii... AND HANDLING THE CARTRIDGE 10-2 A. Electrical System 8-33 CHAPTER 9 INSTALLATION I . Placing Copy Paper 9-9 III. ADF 8-1 A. PERIODICALLY REPLACED PARTS 10-1 II. FANS 7-1 II. Detecting an...
... Construction 8-2 C. Detecting an Original 8-6 E. Controlling the Pickup Motor 8-14 H. Feeding System 8-26 E. UNPACKING AND INSTALLATION 9-2 A. Unpacking and Installation ....9-2 B. DURABLES AND CONSUMABLES... Storing the Cartridge with the Packaging Seal Removed 10-3 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) vii... AND HANDLING THE CARTRIDGE 10-2 A. Electrical System 8-33 CHAPTER 9 INSTALLATION I . Placing Copy Paper 9-9 III. ADF 8-1 A. PERIODICALLY REPLACED PARTS 10-1 II. FANS 7-1 II. Detecting an...
Service Manual
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...POWER SUPPLY CIRCUIT DIAGRAM A-19 G. SPECIAL TOOLS A-35 O. STANDARDS AND ADJUSTMENTS 11-5 A. Mechanical 11-5 B. TROUBLESHOOTING IMAGE FAULTS 11-48 A. Copy Paper Jam 11-75 B. SIGNALS AND ABBREVIATIONS A-3 C. GENERAL CIRCUIT DIAGRAM A-5 D. CONTROL PANEL CIRCUIT DIAGRAM A-27 H. NOISE FILTER CIRCUIT DIAGRAM A-31 ... Faults 11-53 IV. SELF DIAGNOSIS 11-86 APPENDIX A. Switches 11-80 C. MAINTENANCE AND INSPECTION 11-3 A. Faulty Feeding 11-78 VI. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Points to Note for Servicing 11-4 II. ADF...
...POWER SUPPLY CIRCUIT DIAGRAM A-19 G. SPECIAL TOOLS A-35 O. STANDARDS AND ADJUSTMENTS 11-5 A. Mechanical 11-5 B. TROUBLESHOOTING IMAGE FAULTS 11-48 A. Copy Paper Jam 11-75 B. SIGNALS AND ABBREVIATIONS A-3 C. GENERAL CIRCUIT DIAGRAM A-5 D. CONTROL PANEL CIRCUIT DIAGRAM A-27 H. NOISE FILTER CIRCUIT DIAGRAM A-31 ... Faults 11-53 IV. SELF DIAGNOSIS 11-86 APPENDIX A. Switches 11-80 C. MAINTENANCE AND INSPECTION 11-3 A. Faulty Feeding 11-78 VI. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Points to Note for Servicing 11-4 II. ADF...
Service Manual
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...or any ratio between A4 (LGL) and A5 (STMT) (*Using the universal cassette). • In manual feed mode, paper may be as large as A4 (LGL) or as small as a single entity (cartridge). COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-1 Large... Paper Source • The source of paper may expect quality copy images at all times as long as 550 sheets of the ADF...
...or any ratio between A4 (LGL) and A5 (STMT) (*Using the universal cassette). • In manual feed mode, paper may be as large as A4 (LGL) or as small as a single entity (cartridge). COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-1 Large... Paper Source • The source of paper may expect quality copy images at all times as long as 550 sheets of the ADF...
Service Manual
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CHAPTER 1 GENERAL DESCRIPTION *1. Applies only to remove any curling before feeding for a second time. *6. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) If stopped because paper ran out during copying operation, 1 hr. 1-4 COPYRIGHT © 1999 CANON INC. Be sure to vertical feeding. *4. Applies only to remove each from the copy tray. *5. Upon delivery, be sure to models with a zoom function. *2. Applies only to single pickup if the multifeeder is used. *3.
CHAPTER 1 GENERAL DESCRIPTION *1. Applies only to remove any curling before feeding for a second time. *6. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) If stopped because paper ran out during copying operation, 1 hr. 1-4 COPYRIGHT © 1999 CANON INC. Be sure to vertical feeding. *4. Applies only to remove each from the copy tray. *5. Upon delivery, be sure to models with a zoom function. *2. Applies only to single pickup if the multifeeder is used. *3.
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...of copies manually. Flashes in response to standard mode. COPYRIGHT © 1999 CANON INC. 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...12] [11] [10] No. Turns on when indicating a ratio. 100 (max.; Indicates the selected cassette/ manual feed tray.If there is no paper loaded, it flashes. CHAPTER 1 GENERAL DESCRIPTION IV. USING THE MACHINE A. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-15
...of copies manually. Flashes in response to standard mode. COPYRIGHT © 1999 CANON INC. 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...12] [11] [10] No. Turns on when indicating a ratio. 100 (max.; Indicates the selected cassette/ manual feed tray.If there is no paper loaded, it flashes. CHAPTER 1 GENERAL DESCRIPTION IV. USING THE MACHINE A. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-15
Service Manual
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CHAPTER 1 GENERAL DESCRIPTION No. Table 1-401 *1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Selects/deselects zoom mode. Remarks May be between 70% and 141% in 1% increments. 14 ... density mode. Applies only to a model equipped with a zoom function. 1-16 COPYRIGHT © 1999 CANON INC. Turns on when zoom mode is selected. Name 10 Count/zoom set key 11 Zoom indicator*2 12 Zoom key*2 13 Paper selection key*1 Description Sets the number of copies or a zoom ratio. Selects the cassette/ manual...
CHAPTER 1 GENERAL DESCRIPTION No. Table 1-401 *1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Selects/deselects zoom mode. Remarks May be between 70% and 141% in 1% increments. 14 ... density mode. Applies only to a model equipped with a zoom function. 1-16 COPYRIGHT © 1999 CANON INC. Turns on when zoom mode is selected. Name 10 Count/zoom set key 11 Zoom indicator*2 12 Zoom key*2 13 Paper selection key*1 Description Sets the number of copies or a zoom ratio. Selects the cassette/ manual...
Service Manual
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... if an error exists. • The auto power-off mechanism does not operate while feeder cleaning mode is being executed. COPYRIGHT © 1999 CANON INC. Copyboard Glass/Copyboard Cover Clean the cover with a moist cloth (with water or mild detergent solution); then, dry wipe it. b. CHAPTER 1...down the Copy Density Mode Selection key for 4 sec or more. • The count/ratio indicator will be soiled or copy paper tends to end the mode. Soiled Images a. Feeding Belt (ADF type) b.1 Cleaning in Feeder Cleaning Mode 1) Turn on the original tray of the ADF. 3) Press the Copy...
... if an error exists. • The auto power-off mechanism does not operate while feeder cleaning mode is being executed. COPYRIGHT © 1999 CANON INC. Copyboard Glass/Copyboard Cover Clean the cover with a moist cloth (with water or mild detergent solution); then, dry wipe it. b. CHAPTER 1...down the Copy Density Mode Selection key for 4 sec or more. • The count/ratio indicator will be soiled or copy paper tends to end the mode. Soiled Images a. Feeding Belt (ADF type) b.1 Cleaning in Feeder Cleaning Mode 1) Turn on the original tray of the ADF. 3) Press the Copy...
Service Manual
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...3. Separation Registration : Flow of copy paper Cassette : Rotation of the following seven steps: Step 1 Primary charging (AC + negative DC) Step 2 Image exposure Step 3 Development (AC + negative DC) Step 4 Transfer (negative DC) Step 5 Separation (curvature separation + static eliminator; CANON PC800s/900s REV.0 AUG. 1999 PRINTED ...CHAPTER 1 GENERAL DESCRIPTION The machine's image formation process consists of the photosensitive drum Figure 1-602 COPYRIGHT © 1999 CANON INC. positive DC) Step 6 Fixing Step 7 Drum cleaning Static latent image formation block 1. Transfer Manual...
...3. Separation Registration : Flow of copy paper Cassette : Rotation of the following seven steps: Step 1 Primary charging (AC + negative DC) Step 2 Image exposure Step 3 Development (AC + negative DC) Step 4 Transfer (negative DC) Step 5 Separation (curvature separation + static eliminator; CANON PC800s/900s REV.0 AUG. 1999 PRINTED ...CHAPTER 1 GENERAL DESCRIPTION The machine's image formation process consists of the photosensitive drum Figure 1-602 COPYRIGHT © 1999 CANON INC. positive DC) Step 6 Fixing Step 7 Drum cleaning Static latent image formation block 1. Transfer Manual...
Service Manual
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... © 1999 CANON INC. CHAPTER 5 PICK-UP/FEEDING SYSTEM This chapter 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 Paper 5-9 D. It also... shows how these units may be disassembled/ assembled and adjusted. I. Pickup Assembly 5-19 B. Detecting Jams 5-12 II. Registration Roller Assembly 5-34 F. Single-feeder Assembly ..... 5-31 D. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN ...
... © 1999 CANON INC. CHAPTER 5 PICK-UP/FEEDING SYSTEM This chapter 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 Paper 5-9 D. It also... shows how these units may be disassembled/ assembled and adjusted. I. Pickup Assembly 5-19 B. Detecting Jams 5-12 II. Registration Roller Assembly 5-34 F. Single-feeder Assembly ..... 5-31 D. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN ...
Service Manual
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...-feeder model only Q751 Pre-registration roller paper sensor Table 5-101 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5-1 Outline The machine moves paper using a center reference method, in which paper is moved in the middle of the pickup/feeding path, and is equipped with a cassette, multifeeder...
...-feeder model only Q751 Pre-registration roller paper sensor Table 5-101 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5-1 Outline The machine moves paper using a center reference method, in which paper is moved in the middle of the pickup/feeding path, and is equipped with a cassette, multifeeder...
Service Manual
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... 5-102 (Single-feeder type) PS5 PS4 Vertical path roller Holding plate 5-2 COPYRIGHT © 1999 CANON INC. CHAPTER 5 PICK-UP/FEEDING SYSTEM DC controller PCB Pre-registration roller paper detection signal(RPD) Vertical path roller paper detection signal(PDP) Delivery paper detection signal(DPD) Delivery roller Copy tray PS3 Fixing assembly Cassette Multifeeder pickup roller Photosensitive...
... 5-102 (Single-feeder type) PS5 PS4 Vertical path roller Holding plate 5-2 COPYRIGHT © 1999 CANON INC. CHAPTER 5 PICK-UP/FEEDING SYSTEM DC controller PCB Pre-registration roller paper detection signal(RPD) Vertical path roller paper detection signal(PDP) Delivery paper detection signal(DPD) Delivery roller Copy tray PS3 Fixing assembly Cassette Multifeeder pickup roller Photosensitive...
Service Manual
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...*) Pickup clutch solenoid drive signal (PUSLD*) Pickup clutch SL5 Copy paper Cassette pickup rollers Figure 5-103 (Multifeeder type) COPYRIGHT © 1999 CANON INC. When the pickup clutch solenoid turns on the photosensitive drum. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU ...Arm SL1 When SL5 turns on , the drive reaches the cassette pickup roller. Controlling the Pickup Roller 1. CHAPTER 5 PICK-UP/FEEDING SYSTEM B. Outline The machine has three types of pickup rollers, i.e., cassette pickup roller, multifeeder pickup roller, and single-feeder pickup...
...*) Pickup clutch solenoid drive signal (PUSLD*) Pickup clutch SL5 Copy paper Cassette pickup rollers Figure 5-103 (Multifeeder type) COPYRIGHT © 1999 CANON INC. When the pickup clutch solenoid turns on the photosensitive drum. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU ...Arm SL1 When SL5 turns on , the drive reaches the cassette pickup roller. Controlling the Pickup Roller 1. CHAPTER 5 PICK-UP/FEEDING SYSTEM B. Outline The machine has three types of pickup rollers, i.e., cassette pickup roller, multifeeder pickup roller, and single-feeder pickup...
Service Manual
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CHAPTER 5 PICK-UP/FEEDING SYSTEM DC controller PCB Spring Gear Cassette pickup solenoid drive signal (CPUSD*) Pickup clutch solenoid drive signal (PUSLD*) M1 Arm Pickup roller Pickup roller gear When SL5 turns on, the spring causes the pickup roller to rotate slightly, causing the gear and the pickup roller SL1 gear to engage. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Cassette pickup rollers Pickup clutch SL5 Copy paper Figure 5-104 (Single-feeder type) 5-4 COPYRIGHT © 1999 CANON INC.
CHAPTER 5 PICK-UP/FEEDING SYSTEM DC controller PCB Spring Gear Cassette pickup solenoid drive signal (CPUSD*) Pickup clutch solenoid drive signal (PUSLD*) M1 Arm Pickup roller Pickup roller gear When SL5 turns on, the spring causes the pickup roller to rotate slightly, causing the gear and the pickup roller SL1 gear to engage. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Cassette pickup rollers Pickup clutch SL5 Copy paper Figure 5-104 (Single-feeder type) 5-4 COPYRIGHT © 1999 CANON INC.
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... after the cassette pickup roller has started to execute pickup operation, thereby ensuring correct pickup (as for recycled paper). CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5-5 CHAPTER 5 PICK-UP/FEEDING SYSTEM 3. II : The cassette pickup solenoid (SL5) turns on once again about 1.3 sec after the pickup clutch solenoid...
... after the cassette pickup roller has started to execute pickup operation, thereby ensuring correct pickup (as for recycled paper). CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 5-5 CHAPTER 5 PICK-UP/FEEDING SYSTEM 3. II : The cassette pickup solenoid (SL5) turns on once again about 1.3 sec after the pickup clutch solenoid...
Service Manual
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... plate to rotate in response, the lifter, which controls the paper so that its leading edge will match the leading edge of the image on the photosensitive drum. Figure 5-106 5-6 COPYRIGHT © 1999 CANON INC. When the multifeeder pickup solenoid (SL4) turns on in contact with ...of the main motor (M1) reaches the multifeeder pickup roller. CHAPTER 5 PICK-UP/FEEDING SYSTEM 4. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) When the multifeeder pickup roller rotates, paper is picked up the gear unit and, at the toothless section. DC controller PCB ...
... plate to rotate in response, the lifter, which controls the paper so that its leading edge will match the leading edge of the image on the photosensitive drum. Figure 5-106 5-6 COPYRIGHT © 1999 CANON INC. When the multifeeder pickup solenoid (SL4) turns on in contact with ...of the main motor (M1) reaches the multifeeder pickup roller. CHAPTER 5 PICK-UP/FEEDING SYSTEM 4. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) When the multifeeder pickup roller rotates, paper is picked up the gear unit and, at the toothless section. DC controller PCB ...
Service Manual
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... the pickup clutch solenoid (SL1) and the single-feeder paper sensor (PS5). DC controller PCB Single-feeder paper detection signal (SFPD) M1 Pickup clutch Single-feeder paper sensor SL1 PS5 Copy paper Single-feeder Pickup roller Figure 5-107 COPYRIGHT © 1999 CANON INC. CHAPTER 5 PICK-UP/FEEDING SYSTEM 5. Controlling the Single-feeder Pickup Roller The single...
... the pickup clutch solenoid (SL1) and the single-feeder paper sensor (PS5). DC controller PCB Single-feeder paper detection signal (SFPD) M1 Pickup clutch Single-feeder paper sensor SL1 PS5 Copy paper Single-feeder Pickup roller Figure 5-107 COPYRIGHT © 1999 CANON INC. CHAPTER 5 PICK-UP/FEEDING SYSTEM 5. Controlling the Single-feeder Pickup Roller The single...
Service Manual
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... follow, controlling the copying speed to 9-cpm copying mode is made continuously on paper narrower than A4/LTR. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 5 PICK-UP/FEEDING SYSTEM 6. If the copying speed is initiated after delivering the 19th copy in ...Multifeeder Mode The machine does not possess a copy paper width detecting function and, therefore, the tem-...
... follow, controlling the copying speed to 9-cpm copying mode is made continuously on paper narrower than A4/LTR. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 5 PICK-UP/FEEDING SYSTEM 6. If the copying speed is initiated after delivering the 19th copy in ...Multifeeder Mode The machine does not possess a copy paper width detecting function and, therefore, the tem-...
Service Manual
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...DC controller PCB turns on , the claw will reach the registration roller to move the copy paper to the paper detection signal from the pre-registration roller paper sensor. Controlling the Registration Roller The registration roller is controlled by a spring clutch, control ...PCB Pre-registration roller paper detection signal (RPD) Figure 5-109 Preregistration roller paper sensor (Q751) COPYRIGHT © 1999 CANON INC. Controlling the Movement of the main motor will leave the control ring, and the drive of Paper 1. CHAPTER 5 PICK-UP/FEEDING SYSTEM C. CANON PC800s/900s REV.0...
...DC controller PCB turns on , the claw will reach the registration roller to move the copy paper to the paper detection signal from the pre-registration roller paper sensor. Controlling the Registration Roller The registration roller is controlled by a spring clutch, control ...PCB Pre-registration roller paper detection signal (RPD) Figure 5-109 Preregistration roller paper sensor (Q751) COPYRIGHT © 1999 CANON INC. Controlling the Movement of the main motor will leave the control ring, and the drive of Paper 1. CHAPTER 5 PICK-UP/FEEDING SYSTEM C. CANON PC800s/900s REV.0...
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...CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 5 PICK-UP/FEEDING SYSTEM 2. Pickup from the Single-feeder (A4, 1 copy) 0.7sec (approx.) Copy paper in ON STBY INTR SCFW SCRV LSTR STBY Main motor (M1) Single-feeder paper sensor (PS5) Pre-registration roller paper... sensor (Q751) Registration clutch solenoid (SL2) Delivery sensor (PS3) Scanner 0.3sec (approx) II I 0.3sec (approx.) Forward Reverse Figure 5-110 b. Pickup/Feeding Timing Chart a. Pickup from the Cassette...
...CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 5 PICK-UP/FEEDING SYSTEM 2. Pickup from the Single-feeder (A4, 1 copy) 0.7sec (approx.) Copy paper in ON STBY INTR SCFW SCRV LSTR STBY Main motor (M1) Single-feeder paper sensor (PS5) Pre-registration roller paper... sensor (Q751) Registration clutch solenoid (SL2) Delivery sensor (PS3) Scanner 0.3sec (approx) II I 0.3sec (approx.) Forward Reverse Figure 5-110 b. Pickup/Feeding Timing Chart a. Pickup from the Cassette...