Adjusting The Lower Roller Pressure (Nip); Taking Measurements; Standards; Making Adjustments - Canon Image Reader-A1 iR5000i Service Manual

Photocopy machines
Hide thumbs Also See for Image Reader-A1 iR5000i:
Table of Contents

Advertisement

5.3 Adjusting the Lower Roller Pressure (nip)

5.3.1 Taking Measurements

Wait for 15 min after the machine ends its
warm-up; then, make 20 A4 copies before
starting the work:
1) Place A4 or LTR paper, and select A4 or
LTR in the control panel.
2) Make the following selections in service
mode to discharge the paper:
COPIER>FUNCTION>FIXING>NIP-
CHK

5.3.2 Standards

1) Measure the width of a, b and c.
a and c are points 10 mm from
both edges of paper.
2) Check to see if the measurements are as
indicated. Otherwise, make the adjust-
ment under c.
Be sure that both upper and
lower rollers are fully heated
when taking measurements.

5.3.3 Making Adjustments

1) Slide the fixing assembly out of the ma-
chine.
2) Open the delivery assembly.
3) Adjust the nip using the adjusting screw
[1] found at the front and the rear.
COPYRIGHT © 2001 CANON INC.
CHAPTER 3 STANDARDS AND ADJUSTMENTS
2000 2000 2000 2000
CANON iR5000i/iR6000i REV.0 JUNE 2001

c
Feeding
b
direction
a
b : 7.8mm ± 0.5mm
a-c : 0.5mm or less
F03-503-01
[1]
F03-503-02
Center of
paper
3-23 T

Advertisement

Table of Contents
loading

Table of Contents