Canon NP6251 Service Manual page 593

CHAPTER 11 TROUBLESHOOTING
Connector No.
Sensor
*2* address
PS49 J121B-5
Left deck outlet P009-04
paper sensor
PS50 J117B-7
Cassette 3 P009-05
open/closed
sensor
PS51 J130B-7
Cassette 4 P009-06
open/closed
sensor
PS52 J108A-19
Claw jam sensor P009-01
PS53 J108A-2
Fixing/feeding P005-01
assembly unit
sensor
* Or, tape the detecting lever in place, and push in the fixing/feeding unit, holding tray,
or holding tray feeding assembly into the machine.
** Or, put copy paper over the sensor to keep the light-receiving area from light.
11-62
COPYRIGHT © 1997 CANON INC.
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Checks
Move the When the light-
detecting blocking plate is at
lever by PS49.
hand while
When the light-
in standby.
blocking plate is
not at PS49.
Hold the When the light-
grip and blocking plate is at
move the PS50.
cassette 3.
When the light-
blocking plate is
not at PS50.
Hold the When the light-
grip and blocking plate is at
move the PS51.
cassette 4.
When the light-
blocking plate is
not at PS51.
Move the When the light-
detecting blocking plate is at
lever while PS52.
in standby.*
When the light-
blocking plate is
not at PS52.
Move the When the light-
releasing blocking plate is at
lever of the PS53.
fixing/feed-
When the light-
ing assem-
blocking plate is
bly by hand
not at PS53. (unit
while in
set)
standby.
CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
*2*
Voltage
notation
1 5V
0 0V
1 5V
0 0V
1 5V
0 0V
1 5V
0 0V
0 0V
1 5V