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R-cpu - Canon CLC 1120 Service Handbook

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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

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