Points To Note When Replacing The Fixing Upper Unit; Adjusting The Fixing Film Drive Roller Pressure - Canon NP6218 Service Manual

6. Points to Note When Replacing the Fixing Upper Unit

• If you have replaced the upper fixing unit, you must store the resistance of the heater
in service mode (No. 304; see p. 10-31.)
Caution:
Do not touch the surface of the heater.

7. Adjusting the Fixing Film Drive Roller Pressure

If a fixing fault occurs, be sure to go through the following to adjust the pressure of
the drive roller.
1) Detach the fixing cover.
2) Detach the inside cover of the copier's front side.
3) Close the copier's upper body, and insert the door switch actuator.
4) Press the service mode switch (SW302).
• The copier enters service mode, and the display indicates '1'.
5) Press '4' on the keypad.
• The display indicates '4'.
6) Press the AE key.
• The copier enters operation check mode, and the display indicates '401'.
7) Press '5' on the keypad.
• The display indicates '405'.
8) Press the Start key.
• The copier enters fixing film initial rotation mode (405) to return the fixing film to its
proper position.
• The fixing film stops automatically as soon as it reaches its proper position.
• The copier indicates the position of the film in the copy density indicator.
9) Open the copier's top body.
10) Check that the arrow
11) Close the copier's top body, and activate service mode.
12) Press '4' on keypad; when the display indicates '4', press the AE key.
COPYRIGHT © 1997 CANON INC.
is at the middle of the memory as shown in Figure 6-220.
Figure 6-220 (rear view)
CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 6 FIXING SYSTEM
6-21