Service Manual
Page 266
...the steps: answer the questions under "Checks"; Study the following for an idea of tables prepared based on generally found flow charts. Inform the user that the power plug is disconnected, covers are not closed fully? If the problem is "AC power is absent at the power outlet? ...cord mount.) YES/NO NO NO NO YES Action Connect the plug. CHAPTER 11 TROUBLESHOOTING Guide to step 6. (Rest omitted.) • To find out the checks to take the action shown. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-1 Close the...
...the steps: answer the questions under "Checks"; Study the following for an idea of tables prepared based on generally found flow charts. Inform the user that the power plug is disconnected, covers are not closed fully? If the problem is "AC power is absent at the power outlet? ...cord mount.) YES/NO NO NO NO YES Action Connect the plug. CHAPTER 11 TROUBLESHOOTING Guide to step 6. (Rest omitted.) • To find out the checks to take the action shown. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-1 Close the...
Service Manual
Page 318
... power supply PCB, DC controller PCB). Measure the electrical resistance on the correct method of the fixing assembly. Instruct the user on the transfer lower guide plate and the side plate (metal) of storage. 2. End. YES/NO YES NO NO YES YES NO YES NO...6 Checks Clean the lens, reflecting plate, AE sensor, and static eliminator. Replace the varistor. 1. Replace the transfer charging roller. 1. Is it 0Ω? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Try fresh copy paper. Is the problem corrected? Check the transfer high...
... power supply PCB, DC controller PCB). Measure the electrical resistance on the correct method of the fixing assembly. Instruct the user on the transfer lower guide plate and the side plate (metal) of storage. 2. End. YES/NO YES NO NO YES YES NO YES NO...6 Checks Clean the lens, reflecting plate, AE sensor, and static eliminator. Replace the varistor. 1. Replace the transfer charging roller. 1. Is it 0Ω? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Try fresh copy paper. Is the problem corrected? Check the transfer high...
Service Manual
Page 320
...Take out and then set the cartridge once again. Is the problem corrected? YES Inform the user that the cartridge is foggy vertically. 8 The copy has black lines. (vertical, fuzzy, thick) ...9 The copy has black lines. (vertical, fine) Cause Scanner Transfer guide assembly Cartridge Step 1 2 Checks Clean the scanning lamp, reflecting plate, lens, and mirror. YES ...NO Action YES End. Shake the cartridge several times. YES End. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-55 NO Replace...
...Take out and then set the cartridge once again. Is the problem corrected? YES Inform the user that the cartridge is foggy vertically. 8 The copy has black lines. (vertical, fuzzy, thick) ...9 The copy has black lines. (vertical, fine) Cause Scanner Transfer guide assembly Cartridge Step 1 2 Checks Clean the scanning lamp, reflecting plate, lens, and mirror. YES ...NO Action YES End. Shake the cartridge several times. YES End. COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-55 NO Replace...
Service Manual
Page 321
... the scanning lamp for flickering and the presence/ absence of a developing bias. 13 The back of toner. Clean the transfer guide. 2. Is the problem corrected? Instruct the user on all copies? Is the feeding assembly soiled? YES/NO NO YES YES NO Action Go to use a recommended type. ...Clean the registration roller. 3. Check the varistor. 4. Clean the feeding assembly. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU ...
... the scanning lamp for flickering and the presence/ absence of a developing bias. 13 The back of toner. Clean the transfer guide. 2. Is the problem corrected? Instruct the user on all copies? Is the feeding assembly soiled? YES/NO NO YES YES NO Action Go to use a recommended type. ...Clean the registration roller. 3. Check the varistor. 4. Clean the feeding assembly. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU ...
Service Manual
Page 342
.... 2. Does the delivery roller operate smoothly? Replace the roller or the fixing assembly upper unit. COPYRIGHT © 1999 CANON INC. YES Instruct the user on the correct method of copy paper for margin. NO Remove the foreign matter. Is the fixing lower roller or the...Delivery paper detecting lever Delivery sensor (PS3) Delivery roller drive assembly Leading edge margin Step 1 2 3 4 5 Checks Is the fixing inlet guide soiled with solvent. Replace the sensor. Check the spring used to use recommended paper. Does the delivery sensor operate normally? NO Check the delivery...
.... 2. Does the delivery roller operate smoothly? Replace the roller or the fixing assembly upper unit. COPYRIGHT © 1999 CANON INC. YES Instruct the user on the correct method of copy paper for margin. NO Remove the foreign matter. Is the fixing lower roller or the...Delivery paper detecting lever Delivery sensor (PS3) Delivery roller drive assembly Leading edge margin Step 1 2 3 4 5 Checks Is the fixing inlet guide soiled with solvent. Replace the sensor. Check the spring used to use recommended paper. Does the delivery sensor operate normally? NO Check the delivery...
Service Manual
Page 343
... Feeding 1 Double-Feeding Cause Cassette Copy paper Claw (cassette) Step 1 2 3 4 Checks Is the copy paper placed under the claw? Ask the user to use recommended paper. Check the position of the side guide plate of a type recommended by Canon. Try paper of paper placed in the cassette. CHAPTER 11 TROUBLESHOOTING B. Try fresh paper.
... Feeding 1 Double-Feeding Cause Cassette Copy paper Claw (cassette) Step 1 2 3 4 Checks Is the copy paper placed under the claw? Ask the user to use recommended paper. Check the position of the side guide plate of a type recommended by Canon. Try paper of paper placed in the cassette. CHAPTER 11 TROUBLESHOOTING B. Try fresh paper.