Adjusting The Lower Roller Pressure (Nip) - Canon iR105 Service Manual

CHAPTER 6 TROUBLESHOOTING

2.5.2 Adjusting the Lower Roller Pressure (nip)

The nip width must be as indicated in T06-205-01; if not, adjust it using the pressure ad-
justing nut.
a and c are points 10 mm from both edges of paper.
Dimension
| a-c |
a. Generating Output for Nip Width Measurement
Wait for 15 min after the copier ends its warm-up period; make 20 A4 copies, and mea-
sure the nip.
1) Place A3 copy paper in the manual feed tray.
2) Make the following selections in service mode to generate output:
COPIER>FUNCTION>FIXING>NIP-CHK.
The A3 paper will be picked up, and a copy like the one shown in F06-205-02 will be de-
livered.
6-38
Feed direction
Measure with upper and lower rollers fully heated
b 200 V: 9.0 ±0.5 mm, 208/230 V: 10.0 ±0.5 mm
COPYRIGHT© 2001 CANON INC.
c
b
Middle
of paper
a
F06-205-02
0.5 mm or less
T06-205-01
2000 2000 2000 2000 CANON iR105 REV.0 JULY 2001