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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
5
The copy has fogging.
Perform the Image Adjustment Basic Procedure.
6
The copy has vertical streaks/
vertical lines.
Cause
Primary charging
assembly
cleaner
Primary charging
wire, Pre-primary
charging wire
Grid plate
Photosensitive
drum
Step
1
2
3
4
5
Checks
Generate a halftone test print
(PGTYPE=5). Are vertical streaks/
vertical lines noted?
If the problem is noted in all colors,
go to step 13.
If the problem is noted in a specific
color, go to the next step.
Does the cleaner of the primary
charging assembly stop in the
middle?
Clean the primary charging wire and
the pre-primary charging wire. Is the
problem corrected?
Are there scratches or dirt on the grid
plate?
Are there scratches in the peripheral
direction of the photosensitive drum?
Yes/No
NO
NO
YES
YES
YES
Action
Go to step 16.
Check the motor of the
cleaner.
End.
Replace the grid plate.
Replace the photosensi-
tive drum. If scratches are
found, remove the cause.
Further, keep in mind that
scratches on the photo-
sensitive drum can
damage the cleaning
blade; if such is the case,
replace the cleaning
blade also.
Содержание Vizcam 1000
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