Canon iR8500 Service Manual page 458

CHAPTER 6 TROUBLESHOOTING
Connector (J3)
J522
J522
F06-207-11
3) Fit the door switch actuator in the door switch assembly, and turn on the power switch.
4) Make the following selections in service mode (COPIER>DISPLAY>DPOT>DPOT-
K), and check to see that the reading of initial rotation is between 0 and 30.
If not, suspect a fault in the DC controller PCB.
5) Turn off the power switch, and detach the door switch actuator.
6) Detach the jumper wire from the DC controller PCB.
7) Connect the connector to J3 of the potential control circuit.
8) Turn on the power switch.
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COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001