Feeding Faults; Double Feeding; Wrinkles - Canon PC400 Service Manual

B. Feeding Faults

1. Double Feeding

Cause
Copy paper
Separation pad
Spring (pick-up guide
plate;
PC420/430/FC220)

2. Wrinkles

Cause
Pick-up assembly,
Registration roller
Copy paper
Inlet guide
Fixing assembly
COPYRIGHT © 1998 CANON INC.
Step Checks
1 Try copy paper of a type
recommended by Canon.
2 Check the movement of the pick-
up guide plate.
Is the movement smooth?
Step Checks
1 Switch the copier OFF while the
copy paper is moving through
the feeding assembly.
Is the paper wrinkled at the
time? Or, is it moving askew?
2 Try paper fresh out of package.
Is the problem corrected?
3 Try copy paper of a type
recommended by Canon.
4 Is the inlet guide soiled with
foreign matter or toner?
CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 10 TROUBLESHOOTING
YES/NO Remedies
YES Advise the user to use
recommended paper.
YES Check the condition of the
separation pad.
NO Check the position of
spring.
YES/NO Remedies
YES Check the pick-up assem-
bly. Check the registration
roller.
YES The paper may be moist;
advise the user on the
correct method of storage.
Also, advise the user to
remove curling before
feeding paper for a second
time when making two-
sided/overlay copies.
YES Advise the user to use
recommended paper.
YES Clean it using solvent.
NO Check the fixing assembly.
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