The Back Of The Copy Is Soiled - Canon NP6330 Service Manual

13

The back of the copy is soiled.

Step
Cause
Developing
assembly
Drum cleaner
assembly
Fixing assembly
Delivery
assembly
COPYRIGHT © 1997 CANON INC.
Checks
1
Turn off the power switch while
the copy paper is moving through
the feeding assembly. At this time,
is the back of the copy paper
soiled?
2
Is the problem noted at intervals
of about 3.3 cm horizontally?
3
Is the problem noted at intervals
of about 1.6 cm horizontally?
4
Is the fixing roller (upper, lower)
soiled with toner?
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 11 TROUBLESHOOTING
YES/NO Action
YES Go to step 4.
YES 1. Clean the registration
roller and the lower
transfer guide plate.
2. Check the
developing assembly
for leakage of toner.
YES 1. Clean the manual
feed feeding roller.
2. Check the
developing assembly
for leakage of toner.
NO 1. Clean the feeding
assembly.
2. Check the cleaning
assembly for leakage
of toner.
YES 1. Check to see if the
cleaning belt is taken
up properly.
2. Clean the fixing roller
(upper, lower).
3. Check the cleaning
belt for soiling with
toner. If the dirt is
excessive, replace
the roller.
4. Clean the fixing
assembly inlet guide.
NO Clean the delivery roller,
separation claws, and
fixing assembly paper
guide plate.
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