Fixing System - Canon 1130 Service Manual

CHAPTER 13 TROUBLESHOOTING
E. Fixing System
When Replacing the Fixing
1
Heater
Do not touch the surface of the heater.
The copier's fixing heater
has a specific orientation
REF.
(front, rear); be sure to
mount it so that the black
lead line is at the rear.
Adjusting the Nip (nut for
2
locking the fixing assembly)
a. Measuring the Nip Width
If you are taking measurements while the
roller is not hot, let the copier complete its
standby period, wait 15 min, and make 20
copies.
b. Taking Measurements
1) Start service mode.
2) Select FUNCTION>FIXING>NIP-
CHK, and press OK.
The nip width is correct if as indicated;
otherwise, use the adjusting nut [1] to
make adjustments.
b and c are points 10 to 15
mm from paper ends.
13-28
COPYRIGHT © 2002 CANON INC.
(feed direction)
Dimension
* Be sure both upper and lower rollers are
sufficiently heated.
CANON CLC1100/1130/1150/1160/1180 REV.2 FEB. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)
b
c
Measurements*
a 7.3 ±0.3 mm
|b-c| 0.5 mm or less
b-a 0.5 mm or less
c-a
Figure 13-248
a
Center of
Paper