CHAPTER 6 FIXING SYSTEM
COPYRIGHT © 1999 CANON INC. CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
6-10
5.
Adjusting the Nip Width (tighten-
ing the pressure adjusting nut)
If the nip width is not as shown in Figure
6-214, turn the bolt to adjust it.
Note:
a and c represent points 10 mm from
each end.
Table 6-201
a.
Measuring the Nip Width
If the roller is not heated, wait for 15 min.
after the WAIT indicator has changed to
green; then, make 20 copies before taking
measurements.
b.
Measuring Procedure
1) Open the copyboard cover and make a
A3-size solid black copy.
2) Set the solid black copy to the multi
feeder.
3) Select service mode C13.
3-1) Detach the VR cover from the rear of
the left cover.
3-2) Press the service switch (SW300) on
the DC controller PCB.
3-3) Select service mode C13 using 10-key
or the zoom key.
4) Press the COPY START key.
• The solid black paper is automatically
picked up from the multifeeder.
• Then the solid black paper is stopped at
the fixing roller and, after a specific pe-
riod, is delivered.
c
b
A3
Feed
direction
size
Center of
copy
a
Dimension
b
|a-c|
Measure after the upper and
lower rollers have heated up.
4.5 ±0.5 mm
0.5 mm or less
Figure 6-214
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