The Add Paper Indicator Fails To Turn Off; The Jam Indicator Fails To Turn Off - Canon NP6330 Service Manual

CHAPTER 11 TROUBLESHOOTING
39

The Add Paper indicator fails to turn off.

Step
Cause
1
Cassette
2
3
Cassette 1
paper sensor
(PS2)
Cassette 2
paper sensor
(PS4)
DC controller
PCB
40

The Jam indicator fails to turn off.

Cause Step
Jam 1
Sensor 2
DC controller
PCB
11-100
Checks
Are the cassettes set properly?
Does the lifter move up?
Is the paper sensor normal? (See
the instructions on how to check
photointerrupers.)
Checks
Find out which sensor has
detected the jam in service mode
([1] No.109). Is paper found near
the sensor?
Is the sensor identified in step 1
normal? (See the instructions on
how to check photointerrupers.)
COPYRIGHT © 1997 CANON INC.
YES/NO
NO
NO
NO
YES
YES/NO
YES
NO
YES
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
Set the cassettes
properly.
See "The lifter fails to
move up."
Check the wiring from
the DC controller PCB to
the sensor; if normal,
replace the sensor.
Replace the DC
controller PCB.
Action
Remove the jam.
Check the wiring from
the DC controller to the
sensor; if normal,
replace the sensor.
Replace the DC
controller PCB.