Canon iR8500 Service Manual page 472

Sensor
PS26
Deck (left) feed
sensor
PS27
Deck (right) feed
sensor
PS28
Fixing/feeding unit
releasing lever
sensor
PS31
Deck (left) lifter
sensor
PS32
Deck (left) paper
sensor
PS33
Deck (left) open/
closed sensor
PS34
Deck (left) limit
sensor
PS35
Manual feed inlet
sensor
PS37
Cassette 3 pickup
sensor
PS38
Cassette 3 lifter
sensor
COPYRIGHT© 2001 CANON INC.
Connector
I/O address
J519-B10 In standby, move the de-
P001-9 tecting lever by hand.
J511-B11 In standby, move the de-
P001-8 tecting lever by hand
J509-B9 In standby, move the de-
P005-14 tecting lever by hand
J518-A2 In standby, move the de-
P004-1 tecting lever by hand
J518-A5 In standby, move the de-
P004-9 tecting lever by hand
J518-B2 In standby, move the de-
P005-5 tecting lever by hand
J518-B5 In standby, move the de-
P004-15 tecting lever by hand
J510-B2 In standby, move the de-
P001-10 tecting lever by hand
J515-B2 In standby, move the de-
−
tecting lever by hand
J515-A6 In standby, move the de-
P004-2 tecting lever by hand
2000 2000 2000 2000
CHAPTER 6 TROUBLESHOOTING
Checks
T06-210-03
CANON iR8500/7200 REV.1 AUG. 2001
When the light-block-
ing plate is not at PS26,
When the light-block-
ing plate is at PS26,
When the light-block-
ing plate is at PS27,
When the light-block-
ing plate is not at PS27,
When the light-block-
ing plate is at PS28,
When the light-block-
ing plate is not at PS28,
When the light-block-
ing plate is at PS31,
When the light-block-
ing plate is not at PS31,
When the light-block-
ing plate is at PS32,
When the light-block-
ing plate is not at PS32,
When the light-block-
ing plate is at PS33,
When the light-block-
ing plate is not at PS33,
When the light-block-
ing plate is at PS34,
When the light-block-
ing plate is not at PS34,
When the light-block-
ing plate is at PS35,
When the light-block-
ing plate is not at PS35,
When the light-block-
ing plate is at PS37,
When the light-block-
ing plate is not at PS37,
When the light-block-
ing plate is at PS38,
When the light-block-
ing plate is not at PS38,
Vol-
I/O
tage
1 5 V
0 0 V
1 5 V
0 V
0
1 5 V
0 0 V
1 5 V
0 V
0
1 5 V
0 0 V
1 5 V
0 0 V
1 5 V
0 0 V
1 5 V
0 0 V
−
5 V
−
0 V
1 5 V
0 0 V
6-69