Canon iR8500 Servise Manual page 544

<SORTER (12/12)>
Address bit
P063 AN3 inlet cover open detection connector
connection
P064 AN4 saddle tray home position detection
connector connection
P065 AN5 guide home position detection connector
connection
P066 AN6 not used
P067 AN7 paper pushing plate leading edge position
detection connector connection
MN-CON
Indicates the input/output ports of the main controller PCB.
<MN-CON(1/2)>
Address bit
P001 0 not used (1; fixed)
1 not used (1; fixed)
2 not used (1; fixed)
3 not used (1; fixed)
P002 0 DDI-S general input
1 DDI-S general input
2 DDI-S general input
3 SPRTST signal, printer start-up signal
P003 0 DDI-P general input
1 DDI-P general input
2 DDI-P general input
3 PS LNST signal (scanner start-up signal)
P004 0 DDI-S general output
1 DDI-S general output
2 3.3V non all-night power OFF signal
3 SSCNST signal
P005 0 DDI-P general output
1 DDI-P general output
2 DDI-P general output
3 PPRTST signal
P006 0 battery alarm
1 parallel EEPROM R/B#
2 flash ROM R/B#
3 serial ROM connection detection
4 operation enable (card reader)
COPYRIGHT© 2001 CANON INC.
Description
Description
2000 2000 2000 2000 CANON iR8500 REV.0 MAR. 2001
SERVICE MODE
Notation Remarks
PI51 128 or higher, connected
PI41 128 or higher, connected
PI54 128 or higher, connected
PI56 128 or higher, connected
Notation Remarks
not used
not used
not used
SP1 0: reader image start
not used
not used
not used
PP1 0: reader start
not used
not used
0: normally ON,
1: 5W (OFF sleep mode)
SP0 not used
not used
not used
not used
PP0 0: printer image start
1: error
0: busy, 1: ready
0: busy, 1: ready
1: connected
0: enable
COPIER>I/O
S-47