Ac Power Is Absent; Malfunctions - Canon iR1600 Service Manual

3.4 Troubleshooting Malfunctions

3.4.1 AC power is absent.

Initial checks
1) Is the power plug connected to the power outlet?
2) Is the rated AC voltage present at the power outlet?
3) Does the power switch operate normally?
Power supply PCB
4) IS the fuse (F1) on the power supply blown?
YES: Remove the cause, and replace the power supply PCB.
Wring, Connector
5) Is the wiring (continuity) and connection (connector contact) of the
NO:
YES: Replace the power supply PCB.
COPYRIGHT© 2002 CANON INC.
wiring of the connectors (CN1, CN2, CN3) on the power supply
PCB normal?
Correct the connection. If the flexible cable or the harness has a
scratch, replace it.
2000 CANON iR1600/iR2000 REV.1 JAN. 2002
CHAPTER 13 TROUBLESHOOTING
13-37