Canon IR2800, IR3300, IR2200 manual E712

	CHAPTER 6 SELF DIAGNOSIS
E712
0001	The communication is not resumed 3 sec or more after data has been writ-
	ten to the error register of the communication IC (IPC) on the ADF control-
	ler PCB.
0002	The transmission bit is not enabled 10 sec or more in the sync register of
	the communication IC (IPC) on e reader controller PCB.
Main cause	The connect has poor connection. The main power supply PCB is faulty.
	The ADF controller PCB is faulty. The reader controller PCB is faulty.

Action

1. Connector

Is the interface able between the ADF controller PCB and the reader con- troller PCB normal?

NO: Correct the cable.

2. Main power supply PCB

While the ADF is in operation, does the voltage between J203-2 (+) and J203-1 (-) on the main power supply PCB change from 0 to about 24 V?

NO: Replace the main power supply PCB.

3. ADF controller PCB, Reader controller PCB

Try replacing the ADF controller PCB. Is the problem corrected? YES: End.

NO: Replace the rear controller PCB.

COPYRIGHT © 2001 CANON INC. CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001 6-27 T