7
The copy has vertical fogging.
8
The copy has black lines. (vertical, blurred, thick)
Cause
Scanner
Pre-exposure
lamp
Developing
assembly
Fixing assem-
bly, drum clean-
er assembly
Checks
Perform the Image Adjustment
Basic Procedure. Is the problem
corrected?
Clean the scanning lamp, reflect-
ing plate, side reflecting plate,
lens, mirror, and dust-proofing
glass. Is the problem corrected?
Clean the pre-exposure lamp. Is
the problem corrected?
Is the coating of toner on the
developing cylinder even?
Step
1
2
3
4
YES/NO
YES
YES
YES
NO
YES
Action
End.
End.
End.
• Check the edge of the
blade of the
developing assembly.
• Dry wipe the surface
of the developing
cylinder.
Check the fixing
assembly and the drum
cleaner assembly.
CHAPTER 11 TROUBLESHOOTING
COPYRIGHT © 1997 CANON INC. CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
11-61
Содержание NP6330
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