Canon NP6320 Service Manual page 130

CHAPTER 6 FIXING SYSTEM
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 measure-
ments.
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 Sort/Group 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.
5) Measure the width of the toner portion
which has a glossy surface, as shown in
Figure 6-214.
6) Press the service switch (SW300) to exit
from the service mode.
6-10
COPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)