The Copy Has Faulty Fixing - Canon NP7160 Service Manual

14. The copy has faulty fixing.

Cause Step
Fixing roller (upper/
lower)
Fixing heater (H1)
Fixing lower heater
pressure
Copy paper
COPYRIGHT © 1998 CANON INC.
Checks
1 Is the problem noted vertically?
2 Does the fixing heater (H1) turn on
immediately after power-on?
3 Is the nip of the fixing assembly as
indicated?
CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 10 TROUBLESHOOTING
Yes/No
Actions
YES Check the fixing roller (upper, lower)
for scratches.
NO See the "Fixing heater fails to turn
on."
NO Adjust the fixing lower roller
pressure.
YES Try recommended paper. If the results
are good, advise the user to use
recommended paper.
10–37