The Output Is Blurred - Canon iR105 Service Manual

3.3.18 The output is blurred

Scanner drive cable
1) Does the cable runs wound around the cable pulley overlap when
YES: [1] String the cable once again.
Scanner rail
2) Move the No. 1 mirror base by hand. Does it move smoothly?
NO:
Photosensitive drum
3) Does the problem occur at intervals of about 340 mm?
YES: [1] Check the drum gear.
Drum drive gear
4) Does the problem occur at intervals of about 4 mm?
YES: Check the drum drive gear.
Developing gear
5) Does the problem occur at intervals of about 2 mm?
YES: Check the developing assembly.
Drum drive system
6) Does the problem occur at intervals of about 10 mm?
YES: [1] Check the cleaner assembly.
COPYRIGHT© 2001 CANON INC.
the scanner is moving? Or, is the cable too loose or too taut?
[2] If the cable is twisted or frayed, replace it.
Clean the surface of the scanner rail with alcohol. Thereafter, apply
a small amount of silicone oil (S-20).
[2] Check the drum ends (where the developing rolls are in con-
tact) for scratches and bumps.
[2] Check the drum drive system.
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CHAPTER 6 TROUBLESHOOTING
CANON iR105 REV.0 JULY 2001
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