Faulty Feeding; Double Feeding; Wrinkles - Canon GP605 Service Manual

B.

Faulty Feeding

1

Double Feeding

Cause Step
Separation roller
Spring
2

Wrinkles

Cause Step
Pickup
assembly
Copy paper
Paper
guide
Lower
roller
pressure
Upper/
lower
roller
pressure
COPYRIGHT © 1999 CANON INC.
1 Is the separation roller deformed or worn?
1 Turn off the power while copy paper is
moving through the feeding assembly. At
this time, is the copy paper wrinkled? Or
is it moving askew?
2 Try paper fresh out of package. Is the
problem corrected?
3 Try paper recommended by Canon. Is the
problem corrected?
4 Is the paper guide soiled with toner or
foreign matter?
5 Is the height of the paper guide
appropriate?
6 Is the lower roller pressure (nip) as
indicated?
CANON GP605/605V REV.0 JAN 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
Checks
Checks
Yes/No Action
YES Replace the separation
roller.
NO Replace the spring used
to pull the separation
roller.
Yes/No Action
YES Check the pickup
assembly. Check the
registration roller.
YES The paper may be
moist. Advise the user
on the correct method
of storing paper.
NO Advise the user to use
recommended paper.
YES Clean it with solvent.
NO Adjust the height.
NO Adjust the pressure.
YES Try replacing the upper
and lower rollers one
after the other.
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