Service Manual
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... and 141% in -One Cartridge for Simple Maintenance • The photosensitive drum, toner case, charging roller, developing assembly, and cleaning assembly are constructed as he/she performs simple replacement/cleaning work immediately after power-on the average, 0.02 ppm or less at all... IN JAPAN (IMPRIME AU JAPON) 1-1 Ecology-Conscious • The use of paper may be opened to 1/1000 compared with existing Canon machines). 3. COPYRIGHT © 1999 CANON INC. Large Paper Source • The source of the ADF. FEATURES 1. All-in 1% increments. 2. multifeeder type). 7. The...
... and 141% in -One Cartridge for Simple Maintenance • The photosensitive drum, toner case, charging roller, developing assembly, and cleaning assembly are constructed as he/she performs simple replacement/cleaning work immediately after power-on the average, 0.02 ppm or less at all... IN JAPAN (IMPRIME AU JAPON) 1-1 Ecology-Conscious • The use of paper may be opened to 1/1000 compared with existing Canon machines). 3. COPYRIGHT © 1999 CANON INC. Large Paper Source • The source of the ADF. FEATURES 1. All-in 1% increments. 2. multifeeder type). 7. The...
Service Manual
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.... Keep the following in a protective box or put a cover over it using solvents.) d. Do not leave it with a flannel cloth coated with toner. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-5 Do not disassemble the cartridge. the memory (i.e., cause of protection. If...a means of white spots or vertical bands), however, may not disappear. Do not subject the cartridge to work briskly when removing a jam or replacing the cartridge. 2. g. Try to excess vibration or impact. CHAPTER 10 MAINTENANCE AND SERVICING c. If the drum is exposed to strong light for ...
.... Keep the following in a protective box or put a cover over it using solvents.) d. Do not leave it with a flannel cloth coated with toner. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-5 Do not disassemble the cartridge. the memory (i.e., cause of protection. If...a means of white spots or vertical bands), however, may not disappear. Do not subject the cartridge to work briskly when removing a jam or replacing the cartridge. 2. g. Try to excess vibration or impact. CHAPTER 10 MAINTENANCE AND SERVICING c. If the drum is exposed to strong light for ...
Service Manual
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...shown. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-49 Figure 11-302 2) Set the cartridge back into the machine, and make copies. • If the copies are not normal, Replace the new cartridge. Consumable a. Cartridge When the cartridge starts to run out of toner, ...copies will start to have white lines or spots as necessary: 1) Take out the cartridge from the machine, and shake it must be replaced with a new cartridge soon. • If the copies are normal, You may...
...shown. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-49 Figure 11-302 2) Set the cartridge back into the machine, and make copies. • If the copies are not normal, Replace the new cartridge. Consumable a. Cartridge When the cartridge starts to run out of toner, ...copies will start to have white lines or spots as necessary: 1) Take out the cartridge from the machine, and shake it must be replaced with a new cartridge soon. • If the copies are normal, You may...
Service Manual
Page 318
Is the toner image before transfer more or less normal? (Be sure to make a check in a short time to be moist. Replace the transfer charging roller. 1. The copy paper may not bring the best results. 1. Check to find out if the transfer lower guide happens to protect... and static eliminator. Go to step 6. 1. Turn off the power in contact with a metal part (side plate). 2. Replace the varistor. 1. YES/NO YES NO NO YES YES NO YES NO Action End. Mount the transfer charging roller correctly. 2. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53
Is the toner image before transfer more or less normal? (Be sure to make a check in a short time to be moist. Replace the transfer charging roller. 1. The copy paper may not bring the best results. 1. Check to find out if the transfer lower guide happens to protect... and static eliminator. Go to step 6. 1. Turn off the power in contact with a metal part (side plate). 2. Replace the varistor. 1. YES/NO YES NO NO YES YES NO YES NO Action End. Mount the transfer charging roller correctly. 2. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53
Service Manual
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... the PCB of the base of the scanning lamp. 2. Turn off the power in the machine. Is the toner image on the photosensitive drum before transfer more or less uneven? Replace the scanning lamp. Mount the transfer charging roller correctly. 2. Clean the scanning lamp, reflecting plate, lens, and...Check the activation of the drum and the machine's top unit? Check the developing assembly. 11-54 COPYRIGHT © 1999 CANON INC. YES/NO Action YES End. Replace the transfer charging roller correctly. 6 The copy is mounted correctly (in reference to the middle setting? YES/NO NO YES ...
... the PCB of the base of the scanning lamp. 2. Turn off the power in the machine. Is the toner image on the photosensitive drum before transfer more or less uneven? Replace the scanning lamp. Mount the transfer charging roller correctly. 2. Clean the scanning lamp, reflecting plate, lens, and...Check the activation of the drum and the machine's top unit? Check the developing assembly. 11-54 COPYRIGHT © 1999 CANON INC. YES/NO Action YES End. Replace the transfer charging roller correctly. 6 The copy is mounted correctly (in reference to the middle setting? YES/NO NO YES ...
Service Manual
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...charging roller 3 Clean the static eliminator. Is the problem corrected? 4 Is there foreign matter or scratches in the middle of toner. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-55 Is the problem corrected? YES/NO Action ...the transfer guide assembly. YES End. YES End. Cartridge YES/NO Action YES Check the fixing assembly. YES Remove the foreign matter, or replace the transfer charging roller. CHAPTER 11 TROUBLESHOOTING 7 The copy is running out of a copying run, and open the machine's top unit....
...charging roller 3 Clean the static eliminator. Is the problem corrected? 4 Is there foreign matter or scratches in the middle of toner. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-55 Is the problem corrected? YES/NO Action ...the transfer guide assembly. YES End. YES End. Cartridge YES/NO Action YES Check the fixing assembly. YES Remove the foreign matter, or replace the transfer charging roller. CHAPTER 11 TROUBLESHOOTING 7 The copy is running out of a copying run, and open the machine's top unit....
Service Manual
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Turn off the copyboard glass? Does the lens move smoothly? Is the problem corrected? End. Replace the cartridge. 21 The copy is blank. Does the cartridge have toner? YES/NO NO YES NO NO Action Set the cartridge in the machine? YES Check the highvoltage transformer (composite power ...Step 1 2 3 4 5 Checks Is the image also too light? Check the cartridge. Does the drum drive gear rotate normally? Replace the cartridge COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING 20 The copy has poor sharpness. (out-of the cartridge in firm contact with the high-voltage terminal at...
Turn off the copyboard glass? Does the lens move smoothly? Is the problem corrected? End. Replace the cartridge. 21 The copy is blank. Does the cartridge have toner? YES/NO NO YES NO NO Action Set the cartridge in the machine? YES Check the highvoltage transformer (composite power ...Step 1 2 3 4 5 Checks Is the image also too light? Check the cartridge. Does the drum drive gear rotate normally? Replace the cartridge COPYRIGHT © 1999 CANON INC. CHAPTER 11 TROUBLESHOOTING 20 The copy has poor sharpness. (out-of the cartridge in firm contact with the high-voltage terminal at...
Service Manual
Page 342
... delivery roller operate smoothly? Replace the sensor. Check the spring used to use recommended paper. Does the delivery sensor operate normally? NO Remove the foreign matter. YES Clean the static eliminator. If dirt is found , clean with toner? YES Check the leading edge of storing paper. COPYRIGHT © 1999 CANON INC. Feed belt...
... delivery roller operate smoothly? Replace the sensor. Check the spring used to use recommended paper. Does the delivery sensor operate normally? NO Remove the foreign matter. YES Clean the static eliminator. If dirt is found , clean with toner? YES Check the leading edge of storing paper. COPYRIGHT © 1999 CANON INC. Feed belt...
Service Manual
Page 343
...the claw properly? Ask the user to use recommended paper. Is the inlet guide soiled with solvent. 11-78 COPYRIGHT © 1999 CANON INC. if faulty, replace the cassette spring. Try fresh paper. The paper is moving through the feeding assembly. Instruct the user on the correct method of ... the sheets in the cassette uneven? Check the copy paper width. 2. Measure the force of the spring of a type recommended by Canon. Clean the inlet guide with toner? Try paper of paper placed in the cassette. YES/NO YES YES YES NO YES Action • Check the pickup assembly. ...
...the claw properly? Ask the user to use recommended paper. Is the inlet guide soiled with solvent. 11-78 COPYRIGHT © 1999 CANON INC. if faulty, replace the cassette spring. Try fresh paper. The paper is moving through the feeding assembly. Instruct the user on the correct method of ... the sheets in the cassette uneven? Check the copy paper width. 2. Measure the force of the spring of a type recommended by Canon. Clean the inlet guide with toner? Try paper of paper placed in the cassette. YES/NO YES YES YES NO YES Action • Check the pickup assembly. ...