Canon NP6218 Service Manual page 192

CHAPTER 6 FIXING SYSTEM
a. Measuring the Nip
Measure the nip immediately after turning on the copier before the beginning of a
work day.
1) Open the copyboard cover, and make a solid black copy in A4.
2) Place the copy in the multifeeder with the solid black face up.
3) Press the service mode switch (SW302) using a hex key.
• The copier enters service mode, and the display indicates '1'.
4) Press '4' on the keypad.
• The display indicates '4'.
5) Press the AE key.
• The copier enters operation/check mode, and the display indicates '401'.
6) Press '6 on the keypad.
• The display indicates '406'.
7) Press the Start key.
• The above operations cause the multifeeder to pick up paper so that you can take
measurements as in Figure 6-227; the paper will then be discharged.
Reference:
The copy paper stops while it is half way under the fixing roller; and, about 10 sec
later, it will be automatically discharged.
8) Measure the nip.
6-26
COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)