Canon imagePRESS C1 Service Manual - page 966
Chapter 16
16-69
T-16-70
Address
bit
Item
Remarks
P001
0
Versatile input/output port (board O)
1
Versatile input/output port (board S)
2
Versatile input/output port (board R)
3
Versatile input/output port (board P)
4
Test packet issue request to image processing ASIC
5
DDI-P POWER signal
0: ON
6
Delivery count (control card, coin robo)
1: Delivery
7
Paper feed count (control card, coin robo)
1: Paper feeding
P002
0
CPU reset cancel signal
1
Image processing ASIC reset signal
2
DDI-P CTS signal (printer --> controller)
3
DDI-P RTS signal (controller --> printer)
4
DDI-P Power Ready signal (controller --> printer)
5
DDI-P Power Ready signal (printer --> controller)
6
Copy permission signal (control card)
7
Copy permission signal (coin robo)
P003
0
Controller cooling fan ON signal
1:ON 0:OFF
1
USB host power (5V) control signal
1:ON 0:OFF
2
PCI Serror interruption clear
3
FAX reset signal
4
For R&D
5
For R&D
6
For R&D
7
For R&D
P004
0
For R&D
1
Detection of connection of the FAX board
0: Not connected, 1:
Connected
2
Not used
3
Not used
4
TFT-UI connection check
0: Not connected, 1:
Connected
5
DIMM judgment
6
DIMM judgment
7
DIMM judgment