Canon iR8500 Servise Manual page 395

CHAPTER 6 TROUBLESHOOTING
4.1.58 E717
Power supply
1) Is the power to the copy data controller/NE controller normally
NO:
Caution: You need to clear the error in service mode:
Wiring
2) Is the connection cable between the copy data controller/NE con-
NO:
Caution: You must clear the error in service mode:
Copy data controller/NE controller
3) Try replacing the copy data controller/NE controller. Is the problem
YES: End.
4.1.59 E732
Wiring
1) Is the connection and the cable between the main controller PCB
NO:
Reader controller PCB
2) Try replacing the reader controller PCB. Is the problem corrected?
YES: End.
NO:
6-126
supplied?
Correct the supply.
COPIER>FUNCTION>CLEAR>ERR.
troller and the machine normal?
Correct the cable.
COPIER>FUNCTION>CLEAR>ERR.
corrected?
and the reader controller PCB normal?
Correct the connection and the cable.
Replace the main controller PCB.
COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON iR8500 REV.0 MAR. 2001