Service Manual
Page 318
...off the power in a short time to make a check in the middle of a copying run, and open the machine's top unit. Is the toner image before transfer more or less normal? (Be sure to protect the drum from light.) Is the transfer charging roller normal? Is it 0Ω? ...problem corrected? Go to be moist. Replace the electric unit (composite power supply PCB, DC controller PCB). CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Measure the electrical resistance on the correct method of the fixing assembly. Instruct the user on the transfer lower ...
...off the power in a short time to make a check in the middle of a copying run, and open the machine's top unit. Is the toner image before transfer more or less normal? (Be sure to protect the drum from light.) Is the transfer charging roller normal? Is it 0Ω? ...problem corrected? Go to be moist. Replace the electric unit (composite power supply PCB, DC controller PCB). CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-53 Measure the electrical resistance on the correct method of the fixing assembly. Instruct the user on the transfer lower ...
Service Manual
Page 324
...YES/NO YES YES NO NO YES NO Action Correct the light image problem first. 1. Instruct the user on the front left of the cartridge in firm contact with the high-voltage terminal... 4 5 Checks Is the image also too light? NO Check the drum drive assembly. Replace the cartridge COPYRIGHT © 1999 CANON INC. Is the horizontal ratio in the machine, and close the machine. Has the open... off and then on the power switch. Does the cartridge have toner? Does the drum cover shutter open seal been removed? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU ...
...YES/NO YES YES NO NO YES NO Action Correct the light image problem first. 1. Instruct the user on the front left of the cartridge in firm contact with the high-voltage terminal... 4 5 Checks Is the image also too light? NO Check the drum drive assembly. Replace the cartridge COPYRIGHT © 1999 CANON INC. Is the horizontal ratio in the machine, and close the machine. Has the open... off and then on the power switch. Does the cartridge have toner? Does the drum cover shutter open seal been removed? CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU ...
Service Manual
Page 342
... Clean the static eliminator. Check the spring used to use recommended paper. YES/NO YES YES NO NO Action Clean the guide with toner or the like? 6 Does the pre-registration roller paper sensor operate normally? 7 Is the registration roller worn, deformed, or soiled...by Canon. Registrationrelated spring, Spring clutch of copy paper for margin. Replace the paper. NO 1. Does the delivery detecting lever move smoothly? Does the delivery roller operate smoothly? YES Check the belt and the roller. if wear or deformation is found , replace it moves smoothly. YES Instruct ...
... Clean the static eliminator. Check the spring used to use recommended paper. YES/NO YES YES NO NO Action Clean the guide with toner or the like? 6 Does the pre-registration roller paper sensor operate normally? 7 Is the registration roller worn, deformed, or soiled...by Canon. Registrationrelated spring, Spring clutch of copy paper for margin. Replace the paper. NO 1. Does the delivery detecting lever move smoothly? Does the delivery roller operate smoothly? YES Check the belt and the roller. if wear or deformation is found , replace it moves smoothly. YES Instruct ...
Service Manual
Page 343
... Check the vertical path roller. • Check the registra- Does it move up when let go with solvent. 11-78 COPYRIGHT © 1999 CANON INC. Even out the sheets in the cassette uneven? Ask the user to use recommended paper. Check the claw for deformation. 2 Wrinkles Cause Pickup... copy paper properly. 1. Check the copy paper width. 2. if faulty, replace the cassette spring. Is the copy paper wrinkled or found askew? Try fresh paper. Is the inlet guide soiled with toner? tion roller. Instruct the user on the correct method of paper placed in the cassette. Check ...
... Check the vertical path roller. • Check the registra- Does it move up when let go with solvent. 11-78 COPYRIGHT © 1999 CANON INC. Even out the sheets in the cassette uneven? Ask the user to use recommended paper. Check the claw for deformation. 2 Wrinkles Cause Pickup... copy paper properly. 1. Check the copy paper width. 2. if faulty, replace the cassette spring. Is the copy paper wrinkled or found askew? Try fresh paper. Is the inlet guide soiled with toner? tion roller. Instruct the user on the correct method of paper placed in the cassette. Check ...