Fixing/Delivery Assembly; Cleaning Assembly - Canon NP6330 Service Manual

CHAPTER 11 TROUBLESHOOTING
3

Fixing/delivery assembly

Step
Cause
1
Separation
claws (delivery
assembly)
2
Upper/lower
fixing roller
3
Paper guide
4
Nip
5
Cleaning
belt
6
Sheet
7
Delivery
lever
8
Delivery
sensor
(PS11)
9
Delivery
motor (M6)
Leading edge
margin
4

Cleaning assembly

Cause Step
Static eliminator 1
Copy paper 2
High-voltage
transformer, DC
power supply
PCB
11-110
Checks
Are the separation claws worn or
deformed?
Is the upper/lower fixing roller
deformed or scratched?
Is the paper guide soiled with
toner?
Is the lower roller pressure (nip)
within standard?
Is the cleaning belt taken up
properly?
Is the sheet in the delivery
reversing assembly normal?
Does the delivery detecting lever
move smoothly?
Is the delivery sensor normal?
(See the instructions on how to
check photointerrupers.)
Is the delivery roller 2 rotating
smoothly?
Checks
Is the static eliminator set
securely?
Try paper of a type recommended
by Canon. Is the problem
corrected?
COPYRIGHT © 1997 CANON INC.
YES/NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES
YES/NO
NO
YES
NO
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
1. Replace the
separation claws.
2. If dirt is found, clean
it with solvent.
Replace the roller.
Clean it with solvent.
Adjust it.
Check the cleaning
assembly/cleaning belt
drive assembly.
Re-mount it.
Make adjustments so
that it moves smoothly.
Replace the sensor.
Check the delivery roller 2
drive assembly; if normal,
replace the delivery motor.
Check the leading edge of
the copies for a margin.
Action
Set the static eliminator
securely.
Advise the user to use
recommended paper.
1. Check the high-
voltage transformer.
2. Check the DC power
supply.