Service Manual
Page 2
... COPIER SERVICE DEPARTMENT OF THE SALES COMPANY. Prepared by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIVISION CANON INC. 5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302-8501 Japan COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Printed in Japan... Imprimé au Japon Use of this manual should be strictly supervised to avoid disclosure of confidential information. IMPORTANT THIS DOCUMENTATION IS PUBLISHED BY CANON INC., JAPAN, ...
... COPIER SERVICE DEPARTMENT OF THE SALES COMPANY. Prepared by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIVISION CANON INC. 5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302-8501 Japan COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Printed in Japan... Imprimé au Japon Use of this manual should be strictly supervised to avoid disclosure of confidential information. IMPORTANT THIS DOCUMENTATION IS PUBLISHED BY CANON INC., JAPAN, ...
Service Manual
Page 3
... adjustments, and problem identification (image fault/malfunction). Appendix contains a general timing chart and general circuit diagrams. COPYRIGHT © 1999 CANON INC. It also shows how the unit may be disassembled/assembled and adjusted. It also explains the timing at which pickup/ feeding...-related mechanisms are operated, and shows how they may be disassembled/assembled and adjusted. INTRODUCTION This service manual has been prepared for the PC800/900 Series machines, providing basic information used for servicing the machines in relation to ...
... adjustments, and problem identification (image fault/malfunction). Appendix contains a general timing chart and general circuit diagrams. COPYRIGHT © 1999 CANON INC. It also shows how the unit may be disassembled/assembled and adjusted. It also explains the timing at which pickup/ feeding...-related mechanisms are operated, and shows how they may be disassembled/assembled and adjusted. INTRODUCTION This service manual has been prepared for the PC800/900 Series machines, providing basic information used for servicing the machines in relation to ...
Service Manual
Page 4
...expected to have a good understanding of the contents of this Service Manual: 1. Each chapter contains sections explaining the purpose of specific functions and the relationship between electrical and mechanical systems with power. 2. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU... JAPON) The descriptions in the form of Service Information bulletins. The following rules apply throughout this Service Manual and all cases, the internal mechanisms of a...
...expected to have a good understanding of the contents of this Service Manual: 1. Each chapter contains sections explaining the purpose of specific functions and the relationship between electrical and mechanical systems with power. 2. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU... JAPON) The descriptions in the form of Service Information bulletins. The following rules apply throughout this Service Manual and all cases, the internal mechanisms of a...
Service Manual
Page 5
... speed (cpm) at Direct 12 12 12 10 10 10 10 10 13 13 12 12 13 10 13 13 COPYRIGHT © 1999 CANON INC. • This service manual covers the models shown in question is available. Single feeder feeder √ √ √ Zoom √ Default Density ratio correction switch ...500 sheets 500 sheets The notation "√" indicates that the item in the following table. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) iii Model PC860 PC880 PC890 PC920 PC920 PC920 PC920 PC921 PC940 PC941 PC950 PC950 PC950 PC960 PC980 PC981 Type code TYA TZA UAA PUD PUE ...
... speed (cpm) at Direct 12 12 12 10 10 10 10 10 13 13 12 12 13 10 13 13 COPYRIGHT © 1999 CANON INC. • This service manual covers the models shown in question is available. Single feeder feeder √ √ √ Zoom √ Default Density ratio correction switch ...500 sheets 500 sheets The notation "√" indicates that the item in the following table. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) iii Model PC860 PC880 PC890 PC920 PC920 PC920 PC920 PC921 PC940 PC941 PC950 PC950 PC950 PC960 PC980 PC981 Type code TYA TZA UAA PUD PUE ...
Service Manual
Page 13
...the ADF. Separate top unit • The machine's top unit may expect quality copy images at maximum (1/100 to make jam removal easy. 8. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-1 Ecology-Conscious • The use of paper may be opened to 1/1000...8226; You can choose 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 contain as many as 550 sheets of ozone: 0.01 ppm or less on . 4. CHAPTER 1 GENERAL DESCRIPTION I. Various Paper Sizes ...
...the ADF. Separate top unit • The machine's top unit may expect quality copy images at maximum (1/100 to make jam removal easy. 8. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-1 Ecology-Conscious • The use of paper may be opened to 1/1000...8226; You can choose 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 contain as many as 550 sheets of ozone: 0.01 ppm or less on . 4. CHAPTER 1 GENERAL DESCRIPTION I. Various Paper Sizes ...
Service Manual
Page 14
Copier 1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) SPECIFICATIONS A. Type Item Body Copyboard Source of light Lens Photosensitive medium 2. Mechanisms Item Reproduction ... V-model) Fixed focal point lens OPC drum (24-mm dia.) Table 1-201 Descriptions Indirect static reproduction Roller (direct charging) Slit (moving light source) Auto or manual Dry (toner projection) Cassette (1 pc.) Single-feeder (single-feeder type) Multifeeder (multifeeder type) Curvature separation + static eliminator Flat heater Blade Center reference (copyboard) Table 1-202...
Copier 1. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) SPECIFICATIONS A. Type Item Body Copyboard Source of light Lens Photosensitive medium 2. Mechanisms Item Reproduction ... V-model) Fixed focal point lens OPC drum (24-mm dia.) Table 1-201 Descriptions Indirect static reproduction Roller (direct charging) Slit (moving light source) Auto or manual Dry (toner projection) Cassette (1 pc.) Single-feeder (single-feeder type) Multifeeder (multifeeder type) Curvature separation + static eliminator Flat heater Blade Center reference (copyboard) Table 1-202...
Service Manual
Page 15
...paper (64 to 128 g/m2), colored paper, business card (200 g/m2 or less), recycled paper (64 to 128 g/m2), tracing paper (SM-1, GNT80*2; A4R) Manual Feeder: Plain paper (52 to 80 g/m2; A4R/B5R), transparency*2,*4 (A4R/LTRR*3), colored paper, business card (200 g/m2 or less), label sheet*2 (A4R/ ... of 80 g/m2) 5 mm deep (approx.; 50 sheets of 80 g/m2 paper; A4R/ B5R), eco paper (80 g/m2; fixed)*6 Table 1-203 CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-3 Performance Item Original type Maximum original size Reproduction ratio Zoom Wait time First copy...
...paper (64 to 128 g/m2), colored paper, business card (200 g/m2 or less), recycled paper (64 to 128 g/m2), tracing paper (SM-1, GNT80*2; A4R) Manual Feeder: Plain paper (52 to 80 g/m2; A4R/B5R), transparency*2,*4 (A4R/LTRR*3), colored paper, business card (200 g/m2 or less), label sheet*2 (A4R/ ... of 80 g/m2) 5 mm deep (approx.; 50 sheets of 80 g/m2 paper; A4R/ B5R), eco paper (80 g/m2; fixed)*6 Table 1-203 CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-3 Performance Item Original type Maximum original size Reproduction ratio Zoom Wait time First copy...
Service Manual
Page 22
NAMES OF PARTS A. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 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. CHAPTER 1 GENERAL DESCRIPTION III. External View [1] 1.
NAMES OF PARTS A. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 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. CHAPTER 1 GENERAL DESCRIPTION III. External View [1] 1.
Service Manual
Page 23
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 2.
Service Manual
Page 27
... copy density mode. Indicates the selected cassette/ manual feed tray.If there is no paper loaded, it flashes. continuous copying) Stops copying or returns copying mode to a jam. • Indicates the number of copies manually. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN... (IMPRIME AU JAPON) 1-15 COPYRIGHT © 1999 CANON INC. CHAPTER 1 GENERAL DESCRIPTION IV. Name 1 Copy density adjusting lever 2 Copy density ...
... copy density mode. Indicates the selected cassette/ manual feed tray.If there is no paper loaded, it flashes. continuous copying) Stops copying or returns copying mode to a jam. • Indicates the number of copies manually. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN... (IMPRIME AU JAPON) 1-15 COPYRIGHT © 1999 CANON INC. CHAPTER 1 GENERAL DESCRIPTION IV. Name 1 Copy density adjusting lever 2 Copy density ...
Service Manual
Page 28
Selects the cassette/ manual feed tray. Remarks May be between 70% and 141% in 1% increments. 14 Default ratio key Selects a default reproduction ratio. 15 Copy density mode selection key .... 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. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Applies only to a model equipped with a zoom function. 1-16 COPYRIGHT © 1999...
Selects the cassette/ manual feed tray. Remarks May be between 70% and 141% in 1% increments. 14 Default ratio key Selects a default reproduction ratio. 15 Copy density mode selection key .... 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. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Applies only to a model equipped with a zoom function. 1-16 COPYRIGHT © 1999...
Service Manual
Page 33
Drum cleaning 3. Fixing 4. Transfer Manual feed 5. 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. Development Delivery 6. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-21 positive DC) Step 6 Fixing Step 7 Drum cleaning Static latent image formation...
Drum cleaning 3. Fixing 4. Transfer Manual feed 5. 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. Development Delivery 6. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-21 positive DC) Step 6 Fixing Step 7 Drum cleaning Static latent image formation...
Service Manual
Page 37
... 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 JAPON) 2-1 CHAPTER 2 BASIC OPERATION I. Functional Construction The machine consists of...
... 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 JAPON) 2-1 CHAPTER 2 BASIC OPERATION I. Functional Construction The machine consists of...
Service Manual
Page 108
...auto density correction and how the density adjusting lever is selected. CHAPTER 4 IMAGE FORMATION SYSTEM 4. The density correction switch (SW101) affects both manual density adjustment and auto density adjustment (AE). SW101 Figure 4-108 If the machine is not equipped with a density correction switch (SW101), ... (BIAS_PWM) is varied according to the following settings to change in the output of the AE sensor during manual density adjustment. 4-14 COPYRIGHT © 1999 CANON INC. The machine corrects the level of the developing DC bias and the voltage supplied to the scanning lamp...
...auto density correction and how the density adjusting lever is selected. CHAPTER 4 IMAGE FORMATION SYSTEM 4. The density correction switch (SW101) affects both manual density adjustment and auto density adjustment (AE). SW101 Figure 4-108 If the machine is not equipped with a density correction switch (SW101), ... (BIAS_PWM) is varied according to the following settings to change in the output of the AE sensor during manual density adjustment. 4-14 COPYRIGHT © 1999 CANON INC. The machine corrects the level of the developing DC bias and the voltage supplied to the scanning lamp...
Service Manual
Page 109
...Center Left -300 -400 -500 Position of SW101 Right Center Left Developing bias DC component (V) AE Mode Figure 4-109 (SW101) Developing bias DC component (V) Manual Density Mode Figure 4-110 (SW101) Test sheet 0 Original Newspaper density Copy density adjusting lever 1 3.5 0 6.5 9 -100 -100 -200 -300 -...300 F5 -400 -500 F9 Developing bias DC component (V) AE Mode Figure 4-111 (Non-SW101) Developing bias DC component (V) Manual Density Mode Figure 4-112 (Non-SW101) COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-15
...Center Left -300 -400 -500 Position of SW101 Right Center Left Developing bias DC component (V) AE Mode Figure 4-109 (SW101) Developing bias DC component (V) Manual Density Mode Figure 4-110 (SW101) Test sheet 0 Original Newspaper density Copy density adjusting lever 1 3.5 0 6.5 9 -100 -100 -200 -300 -...300 F5 -400 -500 F9 Developing bias DC component (V) AE Mode Figure 4-111 (Non-SW101) Developing bias DC component (V) Manual Density Mode Figure 4-112 (Non-SW101) COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-15
Service Manual
Page 195
... the front upper cover [2]. Move the copy density adjusting lever [5] to the right Lighter Darker Auto Exposure Manual Exposure Photo Timer Saver [3] [7] [5] Figure 7-315 COPYRIGHT © 1999 CANON INC. Disconnect the cable from the DC controller. 3) Free the claw [3], and remove the power supply ...assembly [4]. then, detach the control panel [7]. [2] [1] Figure 7-314 [6] [4] Move to the farthest right, and free the four claws [6]; CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 7-15 Caution: A flexible cable for the control panel is connected to ...
... the front upper cover [2]. Move the copy density adjusting lever [5] to the right Lighter Darker Auto Exposure Manual Exposure Photo Timer Saver [3] [7] [5] Figure 7-315 COPYRIGHT © 1999 CANON INC. Disconnect the cable from the DC controller. 3) Free the claw [3], and remove the power supply ...assembly [4]. then, detach the control panel [7]. [2] [1] Figure 7-314 [6] [4] Move to the farthest right, and free the four claws [6]; CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 7-15 Caution: A flexible cable for the control panel is connected to ...
Service Manual
Page 244
... Remove the shipping attachment [1] (goldcolored screw) from a cold to make sure that none is brought in step 9. 9-2 COPYRIGHT © 1999 CANON INC. A. Unpacking and Installation Step 1 2 Work Checks and remarks Take out the copier and the attachments from the shipping box, and check ... is missing: • Cassette • Copy tray • Power cord • ADF auxiliary tray (ADF type only) • User's Manual • Manual feed tray (for some areas only) • Language label for cassette (included with universal cassette) • Language label for one hour before ...
... Remove the shipping attachment [1] (goldcolored screw) from a cold to make sure that none is brought in step 9. 9-2 COPYRIGHT © 1999 CANON INC. A. Unpacking and Installation Step 1 2 Work Checks and remarks Take out the copier and the attachments from the shipping box, and check ... is missing: • Cassette • Copy tray • Power cord • ADF auxiliary tray (ADF type only) • User's Manual • Manual feed tray (for some areas only) • Language label for cassette (included with universal cassette) • Language label for one hour before ...
Service Manual
Page 245
... COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 9-3 Step 4 Work Remove the shipping attachment [2] (black screw) from the manual feed tray. (Multifeeder type only) Protective member Caution: This step applies only if the manual feed tray is attached. CHAPTER 9 INSTALLATION Checks and ... the shipping attachment [2] inside the machine in step 9. 5 Take out the protective member from the right side of the machine. Attach the manual feed tray that comes with the machine. (Multifeeder type only) Caution: This applies only if the...
... COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 9-3 Step 4 Work Remove the shipping attachment [2] (black screw) from the manual feed tray. (Multifeeder type only) Protective member Caution: This step applies only if the manual feed tray is attached. CHAPTER 9 INSTALLATION Checks and ... the shipping attachment [2] inside the machine in step 9. 5 Take out the protective member from the right side of the machine. Attach the manual feed tray that comes with the machine. (Multifeeder type only) Caution: This applies only if the...
Service Manual
Page 254
Step 1 2 3 4 5 Work Checks and remarks Turn on the manual feed tray. then, press the Copy Start key without placing any other means of the machine, and open /close the machine. 9-12 COPYRIGHT © 1999 CANON INC. Pull the open the machine's top unit. Take out the shipping attachments [1] and ... to move the machine by truck or any paper on the power, and press the Default Ratio key to select the manual The count/ratio indicator will indicate ' '. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Turn off the power switch, and disconnect the...
Step 1 2 3 4 5 Work Checks and remarks Turn on the manual feed tray. then, press the Copy Start key without placing any other means of the machine, and open /close the machine. 9-12 COPYRIGHT © 1999 CANON INC. Pull the open the machine's top unit. Take out the shipping attachments [1] and ... to move the machine by truck or any paper on the power, and press the Default Ratio key to select the manual The count/ratio indicator will indicate ' '. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Turn off the power switch, and disconnect the...
Service Manual
Page 315
...enabling good contrast. Condensation in from a cold to cause feeding faults. CHAPTER 11 TROUBLESHOOTING 9. Condensation on the lower roller of the manual feed assembly will cause dark images. Condensation on the scanner (glass, lens, mirror, reflecting plate) will reduce friction, causing pickup faults...noted, dry wipe the parts in question. The drum is opened before it is likely to two hours). 11-50 COPYRIGHT © 1999 CANON INC. e.g., a. d. The cartridge can occur inside it has been brought from a cold place (e.g., warehouse) to various problems; Others ...
...enabling good contrast. Condensation in from a cold to cause feeding faults. CHAPTER 11 TROUBLESHOOTING 9. Condensation on the lower roller of the manual feed assembly will cause dark images. Condensation on the scanner (glass, lens, mirror, reflecting plate) will reduce friction, causing pickup faults...noted, dry wipe the parts in question. The drum is opened before it is likely to two hours). 11-50 COPYRIGHT © 1999 CANON INC. e.g., a. d. The cartridge can occur inside it has been brought from a cold place (e.g., warehouse) to various problems; Others ...