Canon imageCLASS D600s Service Manual page 337

CHAPTER 7 TROUBLESHOOTING
Feeding assembly
4) Is the surface of the following components normal?
• registration roller
• photosensitive drum
• transfer charging roller
NO:
Registration roller locking mechanisms
5) Is the registration roller locking spring normal?
NO:
Registration shutter mechanism
6) Is the registration shutter spring normal?
NO:
Paper path
7) Is there dirt or foreign matter in the paper path?
YES: Clean the paper path. If any, remove the foreign matter.
General conditions
8) Is LGL paper placed in the cassette?
YES: Go through steps 9) and 10).
NO:
Side guide plate
9) Is the side guide plate of the cassette mounted correctly?
NO:
Sensor flag
10) Is the flag for the LGL size sensor (PS101) damaged or displaced?
YES: Correct it. If damaged, replace it.
NO:
Gear (in drive assembly; for registration roller, photosensitive drum, transfer charging roller
drive)
11) Is any of the gears in the drive assembly cracked or damaged (used
to drive the registration roller, photosensitive drum, transfer charg-
ing roller)?
YES: Replace the damaged gear. If the gear on the photosensitive drum
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Chapter7C.p65
Clean the soiled component. If scratched, replace it. If the photo-
sensitive drum is scratched, replace the cartridge.
Replace the locking spring.
Replace the locking spring.
Check the jam sensor. (See 4.2.9 of this chapter.)
Mount the side guide plate correctly. If scratched, replace it.
Replace the DC controller PCB.
side is damaged, replace the cartridge.)
CANON imageCLASS D600s/PC1060s/PC1200s/iR1200s REV. 0 SEPT. 2001
82 8/26/01, 3:49 PM