CHAPTER 11 TROUBLESHOOTING
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
11-65
8
E210
YES/NO
NO
NO
YES
Cause
----------------
Lens home
position
sensor (PS2)
DC control-
ler PCB
Step
1
2
Checks
Does the lens move when the power is
turned on?
Is the lens home position sensor (PS2)
normal? (For instructions on how to
check the photointerrupers, see p. 11-
47.)
Action
See “The lens fails to
move.”
Check the wiring from
J109 on the DC
controller PCB to PS2;
if normal, replace PS2.
Replace the DC
controller PCB.
9
E220
YES/NO
NO
YES
NO
Cause
----------------
Composite
power
supply PCB
DC control-
ler PCB
Step
1
2
Checks
Does the scanning lamp turn on when
the Copy Start key is pressed?
Replace the composite power supply
PCB. Is the problem corrected?
Action
See “The scanning
lamp fails to turn on.”
End.
Replace the DC
controller PCB.
10 E240
YES/NO
NO
YES
NO
Cause
Wiring
Composite
power
supply PCB
DC control-
ler PCB
Step
1
2
Checks
Is the wiring from J203 and J204 on
the composite power supply PCB and
J103 and J104, respectively, on the DC
controller PCB normal?
Replace the composite power supply
PCB. Is the problem corrected?
Action
Correct the connection
and the wiring of the
connectors.
End.
Replace the DC
controller PCB.
11 E261
YES/NO
YES
NO
Cause
Power
supply
frequency
Composite
power
supply PCB
Step
1
Checks
Turn off and then on the power switch.
Is the problem corrected?
Action
End. However, if
‘E261’ occurs fre-
quently, advise the
user to use a frequency
stabilizer.
Replace the composite
power supply PCB.
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