Canon NP6218, FY8-13EX-000 service manual Adjusting the Nip, 10-30

CHAPTER 10 TROUBLESHOOTING

5. Adjusting the Nip

The nip should be as indicated in Figure 10-238. You must make the following adjustments if fixing faults occur.

Feeding direction

c

A4

paper

b Centerpaper of copy

a

b : 4 -+2mm1mm

a-c : 1mm or less

Figure 10-238

Note:

a and c represent points 10 cm from both edges of the copy.

a.Measuring the Nip

Measure the nip before starting the day’s work; for example, first thing in the morning.

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 indicates ‘1’.

4)Press [4] on the keypad.

•The copier indicates ‘4’.

5)Press the AE key.

•The copier enters operation/inspection mode, and indicates ‘401’.

6)Press [6] on the keypad.

•The copier indicates ‘406’.

7)Press the Start key.

•The multifeeder picks up paper, and the copier positions the paper as in Figure 10-238 for measurement, and dischages it.

Reference:

The fixing rollers hold the paper and stop it when half of it has been delivered; the paper is discharged automatically about 10 sec later.

8) Measure the nip.

10-30 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)