Canon iR8500 Service Manual page 471

CHAPTER 6 TROUBLESHOOTING
Sensor
PS15
Post-confluence
sensor
PS16
Reversal sensor
PS17
Manual feed tray
paper sensor
PS18
Horizontal registra-
tion sensor
PS19
Waste toner case
full sensor
PS20
Deck (right) pickup
sensor
PS21
Deck (right) lifter
sensor
PS22
Deck (right) paper
sensor
PS23
Deck (right) open/
closed sensor
PS24
Deck (right) limit
sensor
PS25
Deck (left) pickup
sensor
6-68
Connector
I/O address
J519-B9 In standby, put paper over
P002-4 the detecting lever of PS15.
J508-A5 In standby, put paper over
P002-0 the detecting lever of PS16.
J510-B8 In standby, move the rear
P004-12 partition by hand.
J519-B11 In standby, move the side
– guide by hand.
J514-A2 In standby, put paper over
P003-7 the detecting lever of PS19.
J511-B2 In standby, move the de-
P001-0 tecting lever by hand.
J511-A6 In standby, move the de-
P004-0 tecting lever by hand.
J511-A9 In standby, move the de-
P004-8 tecting lever by hand.
J511-B5 In standby, move the de-
P005-4 tecting lever by hand.
J511-B8 In standby, move the de-
P004-14 tecting lever by hand.
J518-A8 In standby, move the de-
P001-1 tecting lever by hand.
COPYRIGHT© 2001 CANON INC.
Checks
T06-210-02
2000 2000 2000 2000
When paper is put,
When paper is not put,
When paper is put,
When paper is not put,
When paper is put,
When paper is not put,
When the light-block-
ing plate is not at PS18,
When the light-block-
ing plate is at PS18,
When paper is put,
When paper is pulled,
When the light-block-
ing plate is not at PS20,
When the light-block-
ing plate is at PS20,
When the light-block-
ing plate is not at PS21,
When the light-block-
ing plate is at PS21,
When the light-block-
ing plate is not at PS22,
When the light-block-
ing plate is at PS22,
When the light-block-
ing plate is not at PS23,
When the light-block-
ing plate is at PS23,
When the light-block-
ing plate is not at PS24,
When the light-block-
ing plate is at PS24,
When the light-block-
ing plate is not at PS25,
When the light-block-
ing plate is at PS25,
CANON iR8500/7200 REV.1 AUG. 2001
Vol-
I/O
tage
1 5 V
0 0 V
1 5 V
0 0 V
1 5 V
0 0 V
1 5 V
0 0 V
1 5 V
0 0 V
1 5 V
0 0 V
1 5 V
0 0 V
1 5 V
0 0 V
1 5 V
0 0 V
1 5 V
0 0 V
1 5 V
0 0 V