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©
2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
CHAPTER 6 TROUBLESHOOTING
6-123
4.1.58 E676
4.1.59 E677
Connector
1) Is the wiring of the printer board (option) normal?
NO: Correct the connection.
Connector
2) Is the connection between the riser PCB and the main controller
PCB normal?
NO: Correct the connection.
YES: End.
Riser PCB, Main controller PCB
3) Try replacing the riser PCB. Is the problem corrected?
YES: End.
NO: Replace the main controller PCB.
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: Replace the reader controller PCB (0001).
Replace the DC controller PCB (0002).
Replace the main controller PCB (0003).
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