Cleaning Assembly; Holding Tray Assembly (Two-Sided/Overlay Copying, 1St Side) - Canon NP6251 Service Manual

5. Cleaning Assembly

Cause Step
Transfer/separa 1
tion charging
assembly, Pre-
transfer charg-
2
ing assembly
Separation claw 3
(cleaner
assembly)
Copy paper 4
High-voltage
transformer, DC
controller PCB

6. Holding Tray Assembly (two-sided/overlay copying, 1st side)

Cause Step
1
Holding tray 2
inlet paper
sensor (PS15)
COPYRIGHT © 1997 CANON INC.
Download service manual and resetter printer at http://printer1.blogspot.com
Checks
Are the transfer/separation charg-
ing assembly and the pre-transfer
charging assembly set securely?
Is the height of the charging wire
as specified?
Is the separation claw under the
cleaner assembly damaged?
Try Canon-recommended paper.
Is the problem corrected?
Checks
Perform steps 1 through 3 under
4. "Fixing Delivery Assembly." Is
the problem corrected?
Is the holding tray inlet paper
sensor (PS15) normal?
CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 11 TROUBLESHOOTING
YES/NO Action
NO Set the transfer/separa-
tion charging assembly
securely.
NO Adjust the height of the
charging wire.
YES Replace the separation
claw.
YES Advise the user to use
recommended paper.
NO 1. Check the high-
voltage transformer.
2. Check the DC
controller PCB.
YES/NO Action
YES End.
NO Replace the sensor
(PS15).
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