Canon CLC 1120 Service Handbook page 119

Address bit
P003 15 hopper motor (M10) ready signal
14 transfer drum cleaner brush motor (M8) ready
signal
13 not used
12 duplexing motor (M14) ready signal
11 laser scanner motor (M3) ready signal
10 fixing motor (M5) ready signal
9 drum motor (M2) ready signal
8 main motor (M4) ready signal
7 not used
6 not used
5 not used
4 not used
3 not used
2 not used
1 not used
0 not used
P004 15 not used
14 paper deck connect signal
13 duplexing unit connect
12 buffer path unit connect signal
11 transfer drawer connector connect signal
10 registration path driver drawer connect signal
9 transfer drawer connector signal
8 fixing drawer connector signal
7 control switch (SW2) off detection
6 multifeeder tray open/closed sensor (PS62) signal
5 not used
4 buffer door switch signal
3 pickup cover sensor (PS44) signal
2 left front cover sensor (PS42) signal
1 right front cover sensor (PS41) signal
0 delivery cover sensor (PS43) signal
Description
CHAPTER 4 SERVICE MODE
I/O>DC-CON
Remarks
0: READY
0: READY
0: READY
0: READY
0: READY
0: READY
0: READY
0: connect
0: connect
1: buffer path is present
0: transfer unit is present
0: connected
0: lever is set
0: connected
1: OFF
0: open
1: open
0: open
0: open
0: open
0: open
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