Service Manual
Page 3
...are operated, and shows how they may be disassembled/assembled and adjusted. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) i It also explains the timing at which pickup/ feeding-related mechanisms are operated, and shows how they may be installed using step...discusses the principles of operation used for servicing the machines in the field so as to their quality and performance. Chapter 5 Pick-Up/Feeding System discusses the principles of operation. It also explains the timing at which fixing-related mechanisms are made on a step-by -step ...
...are operated, and shows how they may be disassembled/assembled and adjusted. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) i It also explains the timing at which pickup/ feeding-related mechanisms are operated, and shows how they may be installed using step...discusses the principles of operation used for servicing the machines in the field so as to their quality and performance. Chapter 5 Pick-Up/Feeding System discusses the principles of operation. It also explains the timing at which fixing-related mechanisms are made on a step-by -step ...
Service Manual
Page 8
........ 5-31 D. OPERATIONS 6-1 A. Controlling the Fixing Temperature 6-3 II. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Measuring the Density of Paper 5-9 D. Blank Exposure 4-26 CHAPTER 5 PICK-UP/FEEDING SYSTEM I . DISASSEMBLY/ASSEMBLY ..... 5-18 A. Pickup Assembly 5-19 ...B. Fixing Assembly 6-11 vi COPYRIGHT © 1999 CANON INC. Controlling the Side Blanking Mechanism 4-21 II. Controlling the ...
........ 5-31 D. OPERATIONS 6-1 A. Controlling the Fixing Temperature 6-3 II. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Measuring the Density of Paper 5-9 D. Blank Exposure 4-26 CHAPTER 5 PICK-UP/FEEDING SYSTEM I . DISASSEMBLY/ASSEMBLY ..... 5-18 A. Pickup Assembly 5-19 ...B. Fixing Assembly 6-11 vi COPYRIGHT © 1999 CANON INC. Controlling the Side Blanking Mechanism 4-21 II. Controlling the ...
Service Manual
Page 9
...Motor/Main Drive Assembly 7-17 E. Pickup Operation 8-8 F. Delivery 8-12 G. Power Supply 8-17 II. Removing the ADF 8-19 B. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) vii Protecting the Power Supply Circuit 7-6 III. UNPACKING AND ...the Cartridge with the Packaging Seal Removed 10-3 COPYRIGHT © 1999 CANON INC. Power Supply Circuit 7-4 C. DISASSEMBLY/ASSEMBLY ..... 8-18 A. MOVING THE MACHINE .......... 9-12 CHAPTER 10 MAINTENANCE AND SERVICING I . Feeding System 8-26 E. Electrical System 8-33 CHAPTER 9 INSTALLATION I ....
...Motor/Main Drive Assembly 7-17 E. Pickup Operation 8-8 F. Delivery 8-12 G. Power Supply 8-17 II. Removing the ADF 8-19 B. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) vii Protecting the Power Supply Circuit 7-6 III. UNPACKING AND ...the Cartridge with the Packaging Seal Removed 10-3 COPYRIGHT © 1999 CANON INC. Power Supply Circuit 7-4 C. DISASSEMBLY/ASSEMBLY ..... 8-18 A. MOVING THE MACHINE .......... 9-12 CHAPTER 10 MAINTENANCE AND SERVICING I . Feeding System 8-26 E. Electrical System 8-33 CHAPTER 9 INSTALLATION I ....
Service Manual
Page 10
... GENERAL CIRCUIT DIAGRAM A-5 D. SENSOR CIRCUIT DIAGRAM A-30 J. NOISE FILTER CIRCUIT DIAGRAM A-31 K. Troubleshooting Malfunctions 11-61 V. TROUBLESHOOTING FEEDING PROBLEMS 11-75 A. Copy Paper Jam 11-75 B. Sensors and Solenoids .... 11-79 B. SELF DIAGNOSIS 11-86 APPENDIX A....11-52 C. ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS 11-79 A. SIGNALS AND ABBREVIATIONS A-3 C. SOLVENTS/OILS A-36 viii COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING I . BLANK EXPOSURE (rear) CIRCUIT DIAGRAM A-34 N. Mechanical 11-5 B. ADF 11-83 F. A-1 B. ADF...
... GENERAL CIRCUIT DIAGRAM A-5 D. SENSOR CIRCUIT DIAGRAM A-30 J. NOISE FILTER CIRCUIT DIAGRAM A-31 K. Troubleshooting Malfunctions 11-61 V. TROUBLESHOOTING FEEDING PROBLEMS 11-75 A. Copy Paper Jam 11-75 B. Sensors and Solenoids .... 11-79 B. SELF DIAGNOSIS 11-86 APPENDIX A....11-52 C. ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS 11-79 A. SIGNALS AND ABBREVIATIONS A-3 C. SOLVENTS/OILS A-36 viii COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING I . BLANK EXPOSURE (rear) CIRCUIT DIAGRAM A-34 N. Mechanical 11-5 B. ADF 11-83 F. A-1 B. ADF...
Service Manual
Page 13
... either a default enlargement/reduction ratio 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 he/she performs simple replacement/cleaning work. 6. All-in 1% increments...business card. 5. SURF Fixing Assembly • The wait time is possible with existing Canon machines). 3. multifeeder type). 7. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-1 COPYRIGHT © 1999 CANON INC. The user may be between 70% and 141% in -One Cartridge for Simple...
... either a default enlargement/reduction ratio 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 he/she performs simple replacement/cleaning work. 6. All-in 1% increments...business card. 5. SURF Fixing Assembly • The wait time is possible with existing Canon machines). 3. multifeeder type). 7. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-1 COPYRIGHT © 1999 CANON INC. The user may be between 70% and 141% in -One Cartridge for Simple...
Service Manual
Page 16
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Applies only to vertical feeding. *4. Applies only to models with a zoom function. *2. Upon delivery, be sure to remove any curling before feeding for a second time. *6. Be sure to remove each from the copy tray. *5. If stopped because paper ran out during copying operation, 1 hr. 1-4 COPYRIGHT © 1999 CANON INC. CHAPTER 1 GENERAL DESCRIPTION *1. Applies only to single pickup if the multifeeder is used. *3.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Applies only to vertical feeding. *4. Applies only to models with a zoom function. *2. Upon delivery, be sure to remove any curling before feeding for a second time. *6. Be sure to remove each from the copy tray. *5. If stopped because paper ran out during copying operation, 1 hr. 1-4 COPYRIGHT © 1999 CANON INC. CHAPTER 1 GENERAL DESCRIPTION *1. Applies only to single pickup if the multifeeder is used. *3.
Service Manual
Page 20
... or less Temperature: same as the host Humidity: same as the host Table 1-207 1-8 COPYRIGHT © 1999 CANON INC. Height: 74 mm/ 2.9 in. (216 mm/ 8.5 in . CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) with the tray open ) Depth: 394 ... orientation Original position Original separation Original type Stack Original processing mode Original size detection Mixed original sizes Original detection Original feeding speed Communication with host Dimensions Weight Power source Maximum power consumption Operating environment Descriptions Auto pickup/delivery Face-down Center ...
... or less Temperature: same as the host Humidity: same as the host Table 1-207 1-8 COPYRIGHT © 1999 CANON INC. Height: 74 mm/ 2.9 in. (216 mm/ 8.5 in . CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) with the tray open ) Depth: 394 ... orientation Original position Original separation Original type Stack Original processing mode Original size detection Mixed original sizes Original detection Original feeding speed Communication with host Dimensions Weight Power source Maximum power consumption Operating environment Descriptions Auto pickup/delivery Face-down Center ...
Service Manual
Page 22
CHAPTER 1 GENERAL DESCRIPTION III. NAMES OF PARTS A. External View [1] 1. Copyboard Type [2] [6] [3] [5] [4] [1] Copyboard cover [2] Static eliminator cleaner [3] Manual feed tray [4] Right door [5] Cassette [6] Copyboard glass Figure 1-301 [4] [3] [5] [2] [1] [6] [1] Copy tray [2] Power cord connector [3] Open/close lever [4] Static eliminator [5] Copy density correction switch [6] Delivery guide plate Figure 1-302 1-10 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 1 GENERAL DESCRIPTION III. NAMES OF PARTS A. External View [1] 1. Copyboard Type [2] [6] [3] [5] [4] [1] Copyboard cover [2] Static eliminator cleaner [3] Manual feed tray [4] Right door [5] Cassette [6] Copyboard glass Figure 1-301 [4] [3] [5] [2] [1] [6] [1] Copy tray [2] Power cord connector [3] Open/close lever [4] Static eliminator [5] Copy density correction switch [6] Delivery guide plate Figure 1-302 1-10 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Service Manual
Page 23
2. ADF Type [5] CHAPTER 1 GENERAL DESCRIPTION [1] [2] [4] [1] ADF [2] Manual feed tray [3] Right door [5] [3] [4] Cassette [5] Copyboard glass Figure 1-303 [6] [4] [7] [3] [2] [1] [1] Static eliminator cleaner [2] Delivery guide plate [3] Copy tray [4] Power cord connector [5] Open/close lever [6] Static eliminator [7] Copy density correction switch Figure 1-304 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-11
2. ADF Type [5] CHAPTER 1 GENERAL DESCRIPTION [1] [2] [4] [1] ADF [2] Manual feed tray [3] Right door [5] [3] [4] Cassette [5] Copyboard glass Figure 1-303 [6] [4] [7] [3] [2] [1] [1] Static eliminator cleaner [2] Delivery guide plate [3] Copy tray [4] Power cord connector [5] Open/close lever [6] Static eliminator [7] Copy density correction switch Figure 1-304 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-11
Service Manual
Page 26
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION 2. ADF [1] [2] [3] [4] [5] [6] [13] [1] Delivery roller [2] Copy tray [3] Pickup roller 2 [4] Pickup roller 1 [5] Copyboard tray [6] Auxiliary tray [7] Guide plate [12] [11] [10] [9] [8] [7] [8] Separation pad [9] Registration roller [10] Feed belt drive roller [11] Feed belt [12] Feed belt roller [13] Feed belt link slave roller Figure 1-307 1-14 COPYRIGHT © 1999 CANON INC.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION 2. ADF [1] [2] [3] [4] [5] [6] [13] [1] Delivery roller [2] Copy tray [3] Pickup roller 2 [4] Pickup roller 1 [5] Copyboard tray [6] Auxiliary tray [7] Guide plate [12] [11] [10] [9] [8] [7] [8] Separation pad [9] Registration roller [10] Feed belt drive roller [11] Feed belt [12] Feed belt roller [13] Feed belt link slave roller Figure 1-307 1-14 COPYRIGHT © 1999 CANON INC.
Service Manual
Page 27
Remarks Indicates the selected copy density mode. Indicates the selected cassette/ manual feed tray.If there is no paper loaded, it flashes. Turns on when indicating a ratio. 100 (max.; Indicates the selected default ratio. continuous... copying mode to a jam. • Indicates the number of copies manually. Standard Mode Ratio: 100% Count: 1 Paper source: cassette Copy density: auto mode Starts copying. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-15 Control Panel [1] [2] [3] [4] [5] [6] [7] [8] [9] [15] [14] [13] [12] [11] [10] No....
Remarks Indicates the selected copy density mode. Indicates the selected cassette/ manual feed tray.If there is no paper loaded, it flashes. Turns on when indicating a ratio. 100 (max.; Indicates the selected default ratio. continuous... copying mode to a jam. • Indicates the number of copies manually. Standard Mode Ratio: 100% Count: 1 Paper source: cassette Copy density: auto mode Starts copying. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-15 Control Panel [1] [2] [3] [4] [5] [6] [7] [8] [9] [15] [14] [13] [12] [11] [10] No....
Service Manual
Page 28
CHAPTER 1 GENERAL DESCRIPTION No. Selects/deselects zoom mode. Applies only to a model equipped with a zoom function. 1-16 COPYRIGHT © 1999 CANON INC. Selects the cassette/ manual feed tray. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Remarks May be between 70% and 141% in 1% increments. 14 Default ratio key Selects...
CHAPTER 1 GENERAL DESCRIPTION No. Selects/deselects zoom mode. Applies only to a model equipped with a zoom function. 1-16 COPYRIGHT © 1999 CANON INC. Selects the cassette/ manual feed tray. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Remarks May be between 70% and 141% in 1% increments. 14 Default ratio key Selects...
Service Manual
Page 29
.... Copyboard Glass/Copyboard Cover Clean the cover with a moist cloth (with water or mild detergent solution); CHAPTER 1 GENERAL DESCRIPTION V. b. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-17 Feeding Belt (ADF type) b.1 Cleaning in Feeder Cleaning Mode 1) Turn on the original tray of blank copy paper (A4/LTR...; The indicator flashes 'U6' while the feeder is being cleaned. 4) Press the Copy Density Mode Selection key to jam often. 1. Soiled Images a. COPYRIGHT © 1999 CANON INC.
.... Copyboard Glass/Copyboard Cover Clean the cover with a moist cloth (with water or mild detergent solution); CHAPTER 1 GENERAL DESCRIPTION V. b. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-17 Feeding Belt (ADF type) b.1 Cleaning in Feeder Cleaning Mode 1) Turn on the original tray of blank copy paper (A4/LTR...; The indicator flashes 'U6' while the feeder is being cleaned. 4) Press the Copy Density Mode Selection key to jam often. 1. Soiled Images a. COPYRIGHT © 1999 CANON INC.
Service Manual
Page 30
If Jams Occur Frequently a. Static Eliminator 1) Remove the static eliminator cleaner from the machine. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) then, dry wipe it. Figure 1-502 2. Figure 1-503 (Copyboard type) 1-18 COPYRIGHT © 1999 CANON INC. CHAPTER 1 GENERAL DESCRIPTION b.2 Cleaning by Hand 1) Wipe the feed belt with a moist cloth (water or mild detergent solution) in the direction of the arrow in the figure;
If Jams Occur Frequently a. Static Eliminator 1) Remove the static eliminator cleaner from the machine. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) then, dry wipe it. Figure 1-502 2. Figure 1-503 (Copyboard type) 1-18 COPYRIGHT © 1999 CANON INC. CHAPTER 1 GENERAL DESCRIPTION b.2 Cleaning by Hand 1) Wipe the feed belt with a moist cloth (water or mild detergent solution) in the direction of the arrow in the figure;
Service Manual
Page 33
... Static latent image formation block 1. Development Delivery 6. Transfer Manual feed 5. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-21 Image exposure 7. CHAPTER 1 GENERAL DESCRIPTION The machine's image formation process consists of the photosensitive drum Figure 1-602 COPYRIGHT © 1999 CANON INC. Fixing 4. Drum cleaning 3. Primary charging 2. Separation Registration : Flow...
... Static latent image formation block 1. Development Delivery 6. Transfer Manual feed 5. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-21 Image exposure 7. CHAPTER 1 GENERAL DESCRIPTION The machine's image formation process consists of the photosensitive drum Figure 1-602 COPYRIGHT © 1999 CANON INC. Fixing 4. Drum cleaning 3. Primary charging 2. Separation Registration : Flow...
Service Manual
Page 37
...OPERATIONS A. CHAPTER 2 BASIC OPERATION I. Functional Construction The machine consists of four functional blocks: pickup/feeding system, exposure system, image formation system, and control system. Control system Control panel Exposure system ...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 © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU...
...OPERATIONS A. CHAPTER 2 BASIC OPERATION I. Functional Construction The machine consists of four functional blocks: pickup/feeding system, exposure system, image formation system, and control system. Control system Control panel Exposure system ...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 © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU...
Service Manual
Page 41
... Composite power supply PCB Reference signal Main motor drive PCB Figure 2-104 COPYRIGHT © 1999 CANON INC. Moving/drive parts Photosensitive drum, primary charging roller, developing assembly, transfer charging roller, pickup roller, vertical roller, registration roller, feeding assembly, fixing assembly, delivery roller, heat exhaust fan Control Executes on/off control. Error detection...
... Composite power supply PCB Reference signal Main motor drive PCB Figure 2-104 COPYRIGHT © 1999 CANON INC. Moving/drive parts Photosensitive drum, primary charging roller, developing assembly, transfer charging roller, pickup roller, vertical roller, registration roller, feeding assembly, fixing assembly, delivery roller, heat exhaust fan Control Executes on/off control. Error detection...
Service Manual
Page 123
.../ assembled and adjusted. Pickup Assembly 5-19 B. Single-feeder Assembly ..... 5-31 D. Feeding Assembly 5-33 E. PICKUP/FEEDING SYSTEM.......5-1 A. Delivery Assembly 5-36 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) I. Registration Roller Assembly 5-34 F. CHAPTER 5 PICK-UP/FEEDING SYSTEM This chapter explains the principles used from when copy paper...
.../ assembled and adjusted. Pickup Assembly 5-19 B. Single-feeder Assembly ..... 5-31 D. Feeding Assembly 5-33 E. PICKUP/FEEDING SYSTEM.......5-1 A. Delivery Assembly 5-36 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) I. Registration Roller Assembly 5-34 F. CHAPTER 5 PICK-UP/FEEDING SYSTEM This chapter explains the principles used from when copy paper...
Service Manual
Page 125
... sensor PS5 Single-feeder paper sensor Single-feeder model only Q751 Pre-registration roller paper sensor Table 5-101 COPYRIGHT © 1999 CANON INC. PICKUP/FEEDING SYSTEM A. The machine is controlled by the registration roller so that its leading edge will match the leading edge of copy paper...machine moves paper using a center reference method, in which paper is moved in the middle of the pickup/feeding path, and is then moved through the transfer, separation, feeding, and fixing assemblies to monitor the movement of the image on the photosensitive drum; it is equipped with ...
... sensor PS5 Single-feeder paper sensor Single-feeder model only Q751 Pre-registration roller paper sensor Table 5-101 COPYRIGHT © 1999 CANON INC. PICKUP/FEEDING SYSTEM A. The machine is controlled by the registration roller so that its leading edge will match the leading edge of copy paper...machine moves paper using a center reference method, in which paper is moved in the middle of the pickup/feeding path, and is then moved through the transfer, separation, feeding, and fixing assemblies to monitor the movement of the image on the photosensitive drum; it is equipped with ...
Service Manual
Page 126
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 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 ... roller drum Registration roller Static eliminator Q751 Cassette pickup roller Figure 5-102 (Single-feeder type) PS5 PS4 Vertical path roller Holding plate 5-2 COPYRIGHT © 1999 CANON INC.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 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 ... roller drum Registration roller Static eliminator Q751 Cassette pickup roller Figure 5-102 (Single-feeder type) PS5 PS4 Vertical path roller Holding plate 5-2 COPYRIGHT © 1999 CANON INC.
