Canon CLC 1120 Service Handbook page 135

Address bit
P004 15-8 not used
7 internal signal
6 internal signal
5 internal signal
4 internal signal
3 internal signal
2 internal signal
1 internal signal
0 internal signal
P005 15-8 not used
7 RS-232C input signal
6 scanner IPC error 3
5 scanner IPC error 2
4 scanner IPC error 1
3 scanning lamp (LA2) ON detection signal
2 CVR error detection
1 internal signal
0 internal signal
P006 15-8 not used
7 RS-232C output signal
6 internal signal
5 not used
4 not used
3 not used
2 internal signal
1 internal signal
0 internal signal
Description
CHAPTER 4 SERVICE MODE
I/O>R-CON
Remarks
1: error
1: error
1: error
1: ON
0: error
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