Double Feeding; B. Feeding Faults - Canon 1130 Service Manual

CHAPTER 13 TROUBLESHOOTING

B. Feeding Faults

1

Double Feeding

Cause
Separation roller
Pressure spring
2 Wrinkles
Cause
Cassette pickup
assembly,
Duplexing
assembly
Paper
Fixing inlet guide
Nip (fixing)
Fixing upper/
lower roller
13-160
COPYRIGHT © 2002 CANON INC.
Step Checks
1 Is the separation roller deformed or
worn?
Step Checks
1 Turn off the power switch while
paper is moving through the pickup
vertical path/registration feeding
assembly.
At this time, is the
Or, is the paper
2 Try paper fresh out of package. Is
the problem corrected?
3 Try paper of a type recommended
by Canon. Is the problem
corrected?
4 Is the fixing inlet guide soiled with
toner?
5 Is the nip (pressure) as indicated?
CANON CLC1100/1130/1150/1160/1180 REV.1 FEB. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)
paper wrinkled?
askew?
Yes/No Action
YES Replace the separation
roll.
NO Adjust the position of
the pressure spring.
Replace the pressure
spring.
Yes/No Action
YES Check each pickup
assembly and the
registration roller
assembly.
YES The paper may be moist.
Advise the user on the
correct method of
storing paper.
YES Advise the user to use
recommended paper.
NO Check to see if the
cassette heater is
operating normally.
YES Clean the guide with
solvent.
NO Adjust the nip.
YES Try replacing the upper
and lower rollers in
turns.