Canon CP660 Service Manual page 349

2 Wrinkles/Bending
Cause Step
1
Fixing assem- 2
bly inlet guide
Lower fixing 3
roller
4
Upper fixing 5
roller
6
Face-down 7
delivery roller,
Face-up deliv-
ery roller
Paper guide, 8
Secondary
transfer belt,
Feeding roller,
Registration
roller
3 Skew
Cause Step
Feeding roller, 1
Registration
roller,
Separation
guide
Registration 2
roller
COPYRIGHT © 1999 CANON INC.
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(leading
Checks
Execute test printing in serviced
mode; then, open the front cover
before the print paper enters the fix-
ing assembly. At this time, is the
print paper wrinkled or its leading
edge bent?
Is the fixing assembly inlet guide
soiled?
Is the lower fixing roller soiled?
Is the lower fixing roller
scratched/deformed?
Is the upper fixing roller soiled?
Is the upper fixing roller
scratched/deformed?
Is the face-down delivery roller or
the face-up delivery roller coated
with foreign matter or dirt?
Is the paper guide, secondary trans-
fer belt, feeding roller, or registration
roller coated with foreign matter or
dirt?
Checks
Is the feeding roller, registration
roller, or separation guide coated
with paper lint or dust?
Is the spring of the registration roller
deformed? Is the spring displaced?
CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 10 TROUBLESHOOTING
Yes/No Action
NO Go to step 2.
YES Go to step 8.
YES Clean the fixing assem-
bly inlet guide.
YES Replace the lower fix-
ing roller.
NO Replace the lower fix-
ing roller.
YES Clean the upper fixing
roller.
NO Replace the upper fix-
ing roller.
YES Clean the problem
delivery roller.
YES Check the paper path,
and clean the problem
part.
Yes/No Action
YES Clean the problem part.
YES If the spring is
deformed, replace it. If
it is displaced, position
it correctly.
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