Canon 1130 Service Manual page 694

20 E071
• Check the detail code in service mode (COPIER>DISPLAY>ERR).
Cause
Side A sensor,
side B sensor,
C sensor (PS2,
PS3, PS4)
Signal plate
Transfer drum
locking assembly
Drum motor drive
assembly
DC driver PCB,
CPU PCB
COPYRIGHT © 2002 CANON INC.
Step
1 Replace the sensor indicated by the
detail code. Is the problem
corrected?
2 Is the condition of the signal plate
indicated by the detail code
normal?
3 Is the transfer drum locked
normally?
4 Is the drum motor drive assembly
subjected to overload?
CANON CLC1100/1130/1150/1160/1180 REV.2 FEB. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
Checks Yes/No Action
YES End.
NO If the plate is displaced,
mount it properly; if it is
damaged, replace it.
NO Check the locking
mechanism of the
transfer drum.
YES Remove the cause of
overload.
NO Replace the DC driver
PCB or the CPU PCB.
(After replacement,
execute the work under
II. H. 10. or II. H. 1.)
13-117