Canon iR8500 Service Manual page 683

SERVICE MODE
COPIER>I/O
<FEEDER (3/4)>
Address bit
IO-P08 0 ADF open/closed sensor signal
1 delivery reversing motor excitation phase
(A) output
2 delivery reversing motor excitation phase
(*A) output
3 delivery reversing motor excitation phase
(B) output
4 delivery reversing motor excitation phase
(*B) output
5 feed motor mode output
6 feed motor mode output
7 feed motor (CW/CCW) switch signal
IO-P09 0 DIP switch (DIPSW8) signal
1 DIP switch (DIPSW7) signal
2 DIP switch (DIPSW6) signal
3 DIP switch (DIPSW5) signal
4 DIP switch (DIPSW4) signal
5 DIP switch (DIPSW3) signal
6 DIP switch (DIPSW2) signal
7 DIP switch (DIPSW1) signal
IO-P10 0 not used
1 not used
2 not used
3 not used
4 not used
5 not used
6 not used
7 not used
IO-P11 0 LED ON signal
1 LED ON signal
2 LED ON signal
3 LED ON signal
4 not used
5 not used
6 not used
7 not used
S-40
Description
COPYRIGHT© 2001 CANON INC.
Notation
PI2 1: opened
M3 during output, alternately
'0' and '1'
M3 during output, alternately
'0' and '1'
M3 during output, alternately key
'0' and '1'
M3 during output, alternately '0'
and '1'
M2
M2
M2 1: CCW
0: ON
0: ON
0: ON
0: ON
0: ON
0: ON
0: ON
0: ON
LED4 0: ON
LED3 0: ON
LED2 0: ON
LED1 0: ON
2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
Remarks