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COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
Cause
Rail on mirror
mount, Cable
of original
exposure
system
Developing
assembly
Transfer unit
Fixing roller
Paper
Step
1
2
3
4
5
6
Checks
Generate a halftone test print (PG-
TYPE=5). Is the problem noted?
If all colors, go to step 5.
If a specific color, go to the next step.
Check the developing cylinder. Is it
normal?
Is the locking mechanism for the
transfer blade normal?
Does the transfer blade have warp-
ing, bending, or a fault?
Does the transfer belt have
scratches, bending, or a fault?
Is offset toner noted on the surface of
the fixing roller?
Yes/No
NO
NO
NO
YES
YES
YES
NO
Action
• Clean the rail of the
mirror mount.
• Check the cable of the
scanning system.
Replace the developing
assembly.
Remove the cause.
Replace the transfer blade.
Replace the transfer belt.
Check the fixing roller
(upper, lower) for deforma-
tion.
Is the paper moist?
Try different paper; advise
the user on the correct
method of storing paper.
9
The copy has white spots (horizontal).
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Page 840: ...0501GR PRINTED IN JAPAN IMPRIME AU JAPON This publication is printed on 100 reprocessed paper ...