Canon iR8500 Service Manual page 690

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Address bit
P024 0 address bus 8
1 address bus 9
2 address bus 10
3 punch 2/3-hole detection
4 punch motor home position detection
5 tray A position detection 1
6 tray A position detection 2
7 tray A position detection 3
P025 0 tray B lift motor A
1 tray B lift motor B
2 tray B lift motor A*
3 tray B lift motor B*
4 tray A lift motor A
5 tray A lift motor B
6 tray A lift motor A*
7 tray A lift motor B*
P026 0 tray B position detection 1
1 tray B position detection 2
2 tray B position detection 3
3 stapler home position detection
4 not used
5 not used
6 not used
7 not used
P027 0 slave busy R
1 stapler shift home position detection
2 punch home position detection
3 not used
4 not used
5 not used
6 not used
7 paper edge sensor slide home position
detection
P028 0 waste sensor
1 lower path sensor adjustment
2 tray A sensor
3 tray B sensor
4 tray A paper detection
5 tray A paper detection
6 punch feed path detection
7 buffer path sensor
COPYRIGHT© 2001 CANON INC.
Description
2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
SERVICE MODE
Notation Remarks
PI33 1: 3-hole, 0: 2-hole
PI22 1: home position
1: light-blocked
1: light-blocked
1: light blocked
M12
M12
M12
M12
M13
M13
M13
M13
1: light blocked
1: light blocked
1: light blocked
0: home position
0: busy
PI16 1: home position
PI24
PI23 1: home position
0: waste absent,
1: waste present
1: normal, 0: error
1: absent, 0: present
1: absent, 0: present
PI20 1: absent, 0: present
PI17 1: absent, 0: present
S1
PI3
COPIER>I/O
S-47