Canon imagePRESS C1 P Service Manual page 966

Address bit
P001 Versatile input/output port (board O)
0
Versatile input/output port (board S)
1
Versatile input/output port (board R)
2
Versatile input/output port (board P)
3
Test packet issue request to image processing ASIC
4
DDI-P POWER signal
5
Delivery count (control card, coin robo)
6
Paper feed count (control card, coin robo)
7
P002 CPU reset cancel signal
0
Image processing ASIC reset signal
1
DDI-P CTS signal (printer --> controller)
2
DDI-P RTS signal (controller --> printer)
3
DDI-P Power Ready signal (controller --> printer)
4
DDI-P Power Ready signal (printer --> controller)
5
Copy permission signal (control card)
6
Copy permission signal (coin robo)
7
P003 Controller cooling fan ON signal
0
USB host power (5V) control signal
1
PCI Serror interruption clear
2
FAX reset signal
3
For R&D
4
For R&D
5
For R&D
6
For R&D
7
P004 For R&D
0
Detection of connection of the FAX board
1
Not used
2
Not used
3
TFT-UI connection check
4
DIMM judgment
5
DIMM judgment
6
DIMM judgment
7
T-16-70
Item
Chapter 16
Remarks
0: ON
1: Delivery
1: Paper feeding
1:ON 0:OFF
1:ON 0:OFF
0: Not connected, 1:
Connected
0: Not connected, 1:
Connected
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