Canon PC920 User Manual

CHAPTER 11 TROUBLESHOOTING
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
11-73
23 The lens fails to turn on.
YES/NO
NO
NO
NO
YES
NO
Cause
Lens sole-
noid (SL3)
Lens cable,
Pulley, Rail
DC power
supply
Scanner/lens
drive motor
(M2)
DC control
PCB
Step
1
2
3
4
Checks
Does the lens solenoid (SL3) turn on
when the power switch is turned on?
Are the lens cable, pulley, and rail
normal?
Set the meter range to the 30 VDC,
and connect J202-2 (+) and -1 (-) on
the composite power supply PCB. Is
the meter reading about 24 V?
Replace the scanner/lens drive motor
(M2). Is the problem corrected?
Action
Check the wiring from
J109 on the DC
controller PCB to SL3;
if normal, replace SL3.
Check the lens cable,
pulley, and rail; as
necessary, clean the
cable and adjust its
tension.
See “DC power fails
to turn on.”
End.
Replace the DC
controller PCB.
24 The fixing heater fails to turn on.
YES/NO
YES
YES
NO
Cause
----------------
DC control-
ler PCB
Composite
power
supply PCB
Step
1
2
Checks
Is 'E0' indicated?
Replace the DC controller PCB. Is the
problem corrected?
Action
See the descriptions
under “E0.”
End.
Replace the composite
power supply PCB.

Canon PC920 Specifications

General

Brand	Canon
Model	PC920
Category	Copier
Language	English