9
The copy has black lines. (vertical, thin)
11-62
CHAPTER 11 TROUBLESHOOTING
COPYRIGHT © 1997 CANON INC. CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Cause
Lower transfer
guide
Photosensitive
drum
Developing
assembly,
exposure
system
Fixing assembly
Checks
Press the Copy Start key, and turn
off the power switch while the
copy paper is in the feeding
assembly. Does the copy image
before the paper goes through the
fixing assembly have black lines?
Is the lower transfer guide soiled?
Are there scratches or black lines
in the peripheral direction of the
surface of the photosensitive
drum?
Remove the black lines off the
surface of the photosensitive drum
with a dry flannel cloth coated with
toner. Is the problem corrected?
Are there scratches or black line
in the peripheral direction of the
surface of the upper fixing roller?
Step
1
2
3
4
YES/NO
YES
YES
YES
NO
YES
NO
Action
Go to step 4.
Clean it.
If scratches are found on
the drum, replace the
drum unit.
If scratches or black
lines are found, be sure
to find out the cause.
Check the developing
system and the
exposure system.
1. Replace the upper
roller.
2. Check to find out if
the cleaning belt is
taken up properly.
3. Check and clean the
separation claws.
Check the fixing
assembly inlet for dirt.
Содержание NP6330
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Страница 535: ...PRINTED IN JAPAN IMPRIME AU JAPON This publication is printed on 70 reprocessed paper 0597S3 02 1 ...