Canon CLC 1120 Service Manual page 651

CHAPTER 13 TROUBLESHOOTING
29 E220
Cause
------------
Connector, wiring
Lamp regulator
PCB, CPU PCB
13-124
COPYRIGHT © 1999 CANON INC.
Step Checks
1 Does the scanning lamp turn on?
2 Is there a fault in the connection
between J2004 on the CPU PCB
and J450 on the lamp regulator
PCB?
Yes/No
NO
YES
NO
CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
See "The scanning lamp
fails to turn on."
Connect the connectors
properly.
Try replacing the
following parts in turns:
· lamp regulator PCB
· CPU PCB