CHAPTER 6 TROUBLESHOOTING
6-123
COPYRIGHT© 2001 CANON INC.
2000 2000 2000 2000
CANON iR105 REV.0 JULY 2001
4.1.71 AC power is absent
Power plug
1) Is the work plug connected to the power outlet?
NO:
Connect the power plug.
Source power
2) Is the rated AC voltage present at the power outlet?
NO:
The problem is not of the copier’s. Advise the user.
Leakage breaker
3) Remove the rear cover, and check to find out if the leakage breaker
mounted to the power cord base has gone ON (at ).
YES: Remove the cause of activation, and shift the switch of the leakage
breaker to the ‘|’ marking.
Power cord, AC driver PCB
4) Try replacing the power cord and the AC driver PCB. Is AC power
supplied?
YES: End.
NO:
Check the wiring for AC power, and check the connectors for poor
contact.
Connector
5) Turn on the control panel power switch. Is the power supplied to
the connector (J28) on the DC power supply PCB?
NO:
Check the connection between the main controller PCB (J1021)
and the all-night power supply PCB (J785).
All-night power supply PCB
6) Turn on the control panel power switch. Is 3.3 V supplied to the
connectors (J1021-1 and -2) on the main controller PCB?
NO:
Replace the all-night power supply PCB.
Power switch (SW1), Wiring
7) Connect the meter probes across both terminals of the power
switch (SW1). Is the resistance 0
Ω
Ω
Ω
Ω
Ω
when the switch is ON, and
∞Ω
∞Ω
∞Ω
∞Ω
∞Ω
when the switch is OFF?
NO:
Replace the power switch.
YES: Check the wiring for AC power, and check the connector for con-
tact.
Summary of Contents for iR105 Series
Page 547: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR105 REV 0 JULY 2001 APPENDIX ...
Page 561: ...Service Mode COPYRIGHT 2001 CANON INC 2000 CANON iR105 REV 0 JULY 2001 ...
Page 691: ...Error Code COPYRIGHT 2001 CANON INC 2000 CANON iR105 REV 0 JULY 2001 ...
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Page 1012: ...C 10 COPYRIGHT C 2001 CANON INC STANDARD FASTENERS REV 0 FEB 1992 ...
Page 1029: ...PRINTED IN U S A IMPRIME AU U S A This publication is printed on 100 recycled paper ...