Adjusting The Nip - Canon iR5000i Service Manual

CHAPTER 6 FIXING SYSTEM

4.4.4 Adjusting the Nip

a. Taking Measurements
Wait for 15 min after the machine completes warm-up, and make 20 A4 copies before
starting to measure the nip:
1) Place A4/LTR paper, and select A4/LTR
on the control panel.
2) Make the following selections in service
mode to discharge the paper:
COPIER>FUNCTION>FIXING>NIP-
CHK.
b. Standard
1) Measure the points indicated.
a and c are prints 10 mm from
both edges of the sheet.
2) Check to make sure the measurements
are as indicated; if not, go to c to make
adjustments.
Be sure that both upper and
lower rollers are sufficiently
heated when taking measure-
ments.
c. Making Adjustments
1) Take the fixing assembly out of the ma-
chine.
2) Open the delivery assembly.
3) Adjust the nip using the adjusting screw
[1] at the front and the rear.
6-34 P
COPYRIGHT © 2001 CANON INC.
Feeding
direction
F06-404-06
When both upper and lower
Dimension
rollers are sufficiently heated.
b
7.8mm ± 0.5mm
a - c
0.5mm or less
T06-404-01
F06-404-07
2000 2000 2000 2000 CANON iR5000i/iR6000i REV.0 JUNE 2001
c
b
Center of
paper
a
[1]