CHAPTER 11 TROUBLESHOOTING
COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
11-61
14 The copy has a fixing fault.
YES/NO
NO
YES
NO
YES
Cause
Copy paper
Fixing film
Fixing heater
DC control-
ler PCB,
Composite
power
supply PCB
Step
1
2
3
Checks
Is the copy paper of a recommended
type?
Is the problem vertical and, in addi-
tion, in the form of lines?
Does the heater turn on when the Copy
Start key is pressed?
Action
Try a recommended
type. If the results are
good, ask the user to
use a recommended
type.
Check the fixing film
and the fixing lower
roller for scratches. If
there are scratches,
replace them.
See "The fixing heater
fails to turn on."
The control tempera-
ture of the fixing
heater is likely to be
too low. Check the
fixing assembly top
unit, DC controller
PCB, and composite
power supply PCB.
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