Canon IR3300, IR2800, IR2200 manual Copy is blurred, Yes

CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS

3.18The copy is blurred.

Scanner drive cable

1)Is the cable wound on the wire pulley twisted or twined when the scan- ner is moving? Is there e foreign matter in the mirror pulley assembly?

YES:

•Route the cable correctly.

•Replace the cable.

•Remove the foreign matter.

Scanner rail

2)Move the No. 1 mirror base slowly by hand. Does it move smoothly? NO: Clean the surface of the scanner rail with alcohol; thereafter, apply

a small amount of silicone oil.

Drum drive assembly, Photosensitive drum

3)Does the problem occur at intervals of about 94 mm? YES:

•Check the drum drive assembly.

•Check the drum ends (where developing block members remain in contact) for a scratch or foreign matter.

Developing gear, Drum drive assembly, Drum unit

4)Does the problem occur at intervals of about 35 mm? YES: Check the developing assembly.

NO:

•Check the drum drive assembly.

•Replace the drum unit.

COPYRIGHT © 2001 CANON INC. CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001 4-21 T