Canon iR8500 Service Manual page 672

<DC-CON (6/8)>
Address bit
P016 0 pre-exposure lamp
1 potential sensor
2 HVT DC component
3 HVT developing AC component
4 HVT pre-transfer AC/separation
AC component
5 feed guide bias
6 feed guide bias switch
7 DDI
P017 0 right deck lifter
1 left deck lifter
2 cassette 3 lifter
3 cassette 4 lifter
4 DDI
5 DDI
6 DDI
7 DDI
P018 0 waste toner full detection reset
1 shut-off
2 not used
3 DDI
4 DDI
5 DDI
6 DDI
7 DDI
P019 0 deck open indication
1 deck pickup solenoid
2 deck feed clutch
3 deck pickup clutch
4 deck main motor speed switch signal
5 deck main motor speed switch signal
6 deck main motor
7 deck lifter motor
8 deck UP/DW switch
9 deck open solenoid
10 not used
11 not used
12 not used
13 not used
14 not used
15 not used
P020 0 deck open switch
1 deck paper detection
COPYRIGHT© 2001 CANON INC.
Description
2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
SERVICE MODE
Notation Remarks
LED1 1: ON
PCB19 1: ON
HVT 0: high-voltage output ON
HVT 0: ON
HVT 0: ON
PCB11 0: ON
PCB11 0: 200V, 1: 600V
PS21 1: ON
PS31 1: ON
PS38 1: ON
PS43 1: ON
0: reset
SW1 1: shut-off
LED100 1: ON
1: ON
CL101 1: ON
CL102 1: ON
DBIT0 at all time '0'
DBIT1 at all time '0'
M101 1: ON
M102 1: ON
1: down, 0: up
SL102 1: ON
SW100 1: ON
1: paper present
COPIER>I/O
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