E676; E677; E710-0001 (Reader Controller Pcb), E710-0002 (Dc Controller Pcb); E710-0003 (Main Controller Pcb) - Canon iR8500 Service Manual

4.1.58 E676

4.1.59 E677

Connector
1) Is the wiring of the printer board (option) normal?
NO:
Connector
2) Is the connection between the riser PCB and the main controller
NO:
YES: End.
Riser PCB, Main controller PCB
3) Try replacing the riser PCB. Is the problem corrected?
YES: End.
NO:

4.1.60 E710-0001 (Reader controller PCB), E710-0002 (DC controller PCB)

E710-0003 (Main controller PCB)

4.1.61 E711-0001 (Reader controller PCB), E711-0002 (DC controller PCB)

E711-0003 (Main controller PCB)

Malfunction, each controller PCB
1) Turn off and the on the power switch. Is the problem corrected?
YES: End.
NO:
COPYRIGHT© 2001 CANON INC.
Correct the connection.
PCB normal?
Correct the connection.
Replace the main controller PCB.
Replace the reader controller PCB (0001).
Replace the DC controller PCB (0002).
Replace the main controller PCB (0003).
2000 2000 2000 2000
CHAPTER 6 TROUBLESHOOTING
CANON iR8500/7200 REV.1 AUG. 2001
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