Canon 1130 Service Manual page 725

CHAPTER 13 TROUBLESHOOTING
52 Attraction fails.
Cause
Attraction
solenoid, spring
clutch, pressure
cam
Locking spring,
bushing
Attraction guide
High-voltage
cable
Grounding plate
Attraction
charging
assembly
Transfer drum
sheet
Paper
Service mode
(COPIER>
ADJUST>
MISC>ATT-
RTN)
13-142
COPYRIGHT © 2002 CANON INC.
Step Checks
1 At time of attraction, is the
attraction roller locked to the
transfer drum?
2 At time of attraction, does the
attraction roller rotate smoothly?
3 Is the position of the attraction
guide normal?
4 Is the connection of the high-
voltage cable inside the transfer
drum normal?
5 Is the resistance between the
attraction roller and the copier's
side plate about 20 MΩ?
6 Replace the attraction charging
assembly. Is the problem
corrected?
7 Does the transfer drum sheet have
scratches or dents?
8 Is the paper curled, wavy, or
otherwise out of shape?
9 Replace the paper with paper fresh
out of package. Is the problem
corrected?
10 Try paper of a type recommended
by Canon. Is the problem
corrected?
11 Is regular paper free of the
problem?
12 Does the problem occur only in
single-sided copying or when
copying on the first side of a
double-sided copy?
13 Does the problem occur only on the
second side of a double-side copy?
CANON CLC1100/1130/1150/1160/1180 REV.2 FEB. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)
Yes/No Action
NO Check or replace the
attraction solenoid,
spring clutch, or locking
cam.
NO Check the locking spring
of the attraction guide
and the bushing of the
attraction roller.
NO Mount the guide
properly.
NO Connect the cable
properly.
NO Check the bushing of the
attraction roller and the
grounding plate at the
front.
YES End.
YES Replace the sheet.
YES Replace the paper.
Advise the user on the
correct method of
storing paper.
YES End.
YES Advise the user to use
recommended paper.
YES Advise the user to use
recommended paper.
YES Go to step 16. (Set
COPIER>ADJUST>
MISC>ATT-RTN1 to '1'
in service mode.
YES Set COPIER>ADJUST>
MISC>ATT-RTN2 to
'1'.