E712; E713 - Canon iR8500 Service Manual

CHAPTER 6 TROUBLESHOOTING

4.1.62 E712

Malfunction
1) Turn off and then on the power switch. Is the problem corrected?
YES: End.
Connector
2) Is the connector J772 used to connect the DADF and the copier
NO:
ADF controller PCB, Reader controller PCB
3) Try replacing the ADF controller PCB. Is the problem corrected?
YES: End.
NO:

4.1.63 E713

Malfunction
1) Turn off and then on the power switch. Is the problem corrected?
YES: End.
Connector
2) Is the connector J152 used to connect the finisher and the copier
NO:
Finisher controller PCB, DC controller PCB
3) Try replacing the finisher controller PCB. Is the problem cor-
YES: End.
NO:
6-124
connected securely?
Replace the Reader controller PCB.
Replace the Reader controller PCB.
connected securely?
Replace the DC controller PCB.
rected?
Replace the DC controller PCB.
COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001