COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
CHAPTER 6 TROUBLESHOOTING
6-38
2.5.2 Adjusting the Lower Roller Pressure (nip width)
The nip width is correct if it is as indicated. Otherwise, adjust it using a pressure adjusting
nut.
F06-205-02
a and c are points 10 mm from both edges of paper.
T06-205-01
a. Generating Output for Measuring the Nip Width
Before measuring the nip width, wait for 15 min after the end of the machine’s warm-up
period and make 20 A4 copies:
1) Place A3 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 (F06-205-02) will be delivered.
Dimension
Take measurements when both upper/
lower roller are sufficiently heated.
b 9.0 ± 0.5 mm
| a-c | 0.5 mm or less
(feeding
direction)
c
a
Middle
of paper
b
A3
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