Canon GP605 Service Manual page 639

3) Fit the door switch actuator into the door switch assembly, and turn on the power switch.
4) Select COPIER>DISPLAY>DPOT>DPOT-K in service mode, and check to make sure that
the reading during initial rotation is between 0 and 30.
If the reading is not between 0 and 30, the DC controller PCB may be faulty.
5) Turn off the power switch, and detach the door switch actuator.
6) Remove the door switch actuator.
6) Detach the jumper wire from the DC controller PCB.
7) Connect the connector to J3 on the potential control circuit.
8) Turn on the power switch.
2. Method 2
1) Turn off the power switch.
2) Remove the developing assembly, and slide out the process unit.
3) Disconnect the connector of the potential sensor.
COPYRIGHT © 1999 CANON INC.
Figure 13-G203
CANON GP605/605V REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
Connector
13-47