Canon PC921 Support and Manuals
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Most Recent Canon PC921 Questions
How Do I Change The Cartridge On The Canon Pc921
I cannot find my manual and I'm not sure how to get the present cartridge out. I don't want to damag...
I cannot find my manual and I'm not sure how to get the present cartridge out. I don't want to damag...
(Posted by medfordret 11 years ago)
Part Needed.
The tray to catch the copies has broken. How do I get a new (or used) one?
The tray to catch the copies has broken. How do I get a new (or used) one?
(Posted by sandralinex 12 years ago)
I Wont Manual Of Pc 921 Canono Photocpier
i wont manual of canono pc921 photocopier
i wont manual of canono pc921 photocopier
(Posted by muluge 12 years ago)
Why Does My Canon 921 Crease The Paper Before Completing A Copy.
Smooth paper goes in, creased paper comes out with poor printing around the creases.
Smooth paper goes in, creased paper comes out with poor printing around the creases.
(Posted by nrockler 12 years ago)
Popular Canon PC921 Manual Pages
Service Manual - Page 3
...-by -step instructions.
Chapter 11 Troubleshooting provides tables of periodically replaced parts and consumables/durables and scheduled servicing charts. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
i This service manual consists of the following chapters:
Chapter 1 General Description introduces the machine's features, specifications, names of installation, and...
Service Manual - Page 5
... from model to model before referring to this manual. Model
PC860 PC880 PC890 PC920 PC920 PC920 PC920 PC921 PC940 PC941 PC950 PC950 PC950 PC960 PC980 PC981
Type code
TYA TZA UAA PUD PUE PUH TVB TVC TVD TVE PUF PUG TVF TVG TVH TVJ
Multi- CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
iii Copying...
Service Manual - Page 10
Electrical 11-41
III. Making Initial Checks ....... 11-48 B. TROUBLESHOOTING MALFUNCTIONS 11-61
A. Copy Paper Jam 11-75 B. ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS 11-79 A. Variable Resistors (VR) and Check Pins by PCB .......... 11-84
VII. SIGNALS AND
ABBREVIATIONS A-3 C. GENERAL CIRCUIT
DIAGRAM A-5 D. ADF CONTROLLER CIRCUIT
DIAGRAM A-15 F. AE ...
Service Manual - Page 117
... photo memory,
which can cause white spots or black bands on copies.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
4-23 Drum Cover Shutter If exposed to open the
shutter unless absolutely necessary. b. To prevent photo memory, the machine is removed from the machine, light makes its way through the opening used...
Service Manual - Page 258
II. III. COPYRIGHT © 1999 CANON INC.
PERIODICALLY REPLACED PARTS
The machine does not have parts which require scheduled servicing. SCHEDULED SERVICING
The machine does not have items designated as durables or consumables. DURABLES AND CONSUMABLES
The machine does not have any parts which must be replaced on a periodical basis. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN ...
Service Manual - Page 264
...-30 C. MAINTENANCE AND INSPECTION 11-3 A. Points to Note for Servicing 11-4
II. TROUBLESHOOTING FEEDING PROBLEMS 11-75 A. Copy Paper Jam 11-75 B. Faulty Feeding 11-78
VI. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) Sample Image Faults ....... 11-52 C. ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS 11-79 A. Sensors and Solenoids .... 11-79 B. CHAPTER...
Service Manual - Page 314
... to run out of toner, copies will start to use the cartridge, but the user must be replaced with a new cartridge soon. • If the copies are not normal, Replace the new cartridge. COPYRIGHT © 1999 CANON INC. Figure 11-302
2) Set the cartridge back into the machine, and make copies. • If the copies are normal, You may continue to have white lines or...
Service Manual - Page 319
... machine's top unit? Is the toner image on the photosensitive drum before transfer more or less uneven? YES 1. Replace the cartridge.
2. NO 1. YES/NO NO
YES NO
YES
Action Set the switch or the lever to step 2). Clean the scanning lamp, reflecting plate, lens, and mirror.
Check the activation
of the scanning lamp. 2. Is the problem corrected? CANON...
Service Manual - Page 321
... CANON INC. Check the scanning lamp for flickering and the presence/ absence of a developing bias.
13 The back of toner.
Check the varistor. 4. Scanner rail
3 Is the problem noted at the same position on the correct method of the paper soiled? The paper may be moist. Instruct the user on all copies? Cause
Transfer guide assembly
Feeding assembly Pickup guide assembly...
Service Manual - Page 330
... ? However, if 'E261' occurs frequently, advise the user to move when the power is pressed? CHAPTER 11 TROUBLESHOOTING
8 E210
Cause
Lens home position sensor (PS2)
DC controller PCB
Step 1
2
Checks Does the lens move ."
Replace the composite power supply PCB.
End. COPYRIGHT © 1999 CANON INC. Replace the DC controller PCB.
9 E220
Cause
Composite power...
Service Manual - Page 336
... on for a moment after the Copy Start key is pressed? Is the meter reading about 24 V for dirt, foreign matter, or object which may interfere. Yes/No No
Action See "The main motor fails to move smoothly? CHAPTER 11 TROUBLESHOOTING
19 The scanner fails to rotate." if normal, replace SL2.
CANON PC800s/900s REV.0 AUG. 1999...
Service Manual - Page 337
... meter range to 1kΩ. Set the meter range to 1 kΩ, and connect the meter probes to J910-1 and J910-3 on . Disconnect the connector J910 from the DC control PCB, and set the tester range to 1 kΩ; Is the problem corrected?
YES End.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) if normal, replace...
Service Manual - Page 338
... the meter reading about 24 V?
4 Replace the scanner/lens drive motor (M2). See "DC power fails to turn on. YES/NO YES
YES
Action See the descriptions under "E0." as necessary, clean the cable and adjust its tension.
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
11-73 CHAPTER 11 TROUBLESHOOTING...
Service Manual - Page 339
... instructions on how to check the photointerrupers, see p. 11-47.)
Replace the control panel PCB. Cause Cassette
Lens cable, Pulley, Rail
DC power supply
Vertical path roller paper sensor (PS4)
Control panel PCB DC controller PCB
Step 1 2
3 4
5
Checks Is the cassette set correctly? Are the lens cable, pulley, and rail normal? Is the meter reading about...
Service Manual - Page 343
...? Is the paper of paper placed in the cassette.
if faulty, replace the cassette spring. Is the problem corrected? The paper is moving through the feeding assembly. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Try fresh paper. Is the inlet guide soiled with solvent.
11-78
COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING
B. Check the...
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