R-Cpu - Canon CLC 1120 Service Handbook

CHAPTER 4 SERVICE MODE

2. R-CPU

Address bit
P001 15-8 not used
7 not used
6 not used
5 WATCH DOG pulse signal
4 ECO PCB internal signal
3 ECO PCB internal signal
2 ECO PCB internal signal
1 R-CON to DC-CON power ready signal
0 R-CON to PANEL-CON power ready signal
P002 15-8 not used
7 digitizer request signal
6 CVR time rest signal
5 scanning lamp (LA2) ON signal
4 not used
3 original exposure system cooling fan 1 (FM1) half
speed drive signal
2 original exposure system cooling fan 1 (FM1) full
speed drive signal
1 original scanner motor driver RESET signal
0 projector SSR-ON signal
P003 15-8 not used
7 digitizer ACK signal
6 digitizer connect signal
5 original exposure system cooling fan (FM1) error
detected
4 READER-ITOP-B input signal
3 READER-ITOP-A input signal
2 CC-V connect signal
1 DC-CON to R-CON power ready signal
0 PANEL-CON to R-CON power ready signal
4-48
Description
I/O>R-CON
Remarks
1: request
1: RESET
1: ON
1: half speed, 0: full speed
1: full speed, 0: half speed
1: RESET
1: ON
1: ACK
0: connect
1: error
0: side B image leading edge
0: side B image leading edge
0: connect