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3. 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 q is at the middle of the memory as shown in Figure 10-236.
Figure 10-236 (rear view)
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.
13) Press ‘4’ on the keypad; when the display indicates ‘404’, press the Start key.
• The copier enters fixing tension roller mode (404).
• The fixing tension roller becomes fixed, and the fixing film rotates idly.
• The count indicator indicates how long the fixing film sensor has remained on.
Caution:
If the copy count indicator keeps indicating ‘0’ or ‘528’ during adjustment,
immediately press the Stop key to de-activate service mode.
10-28
CHAPTER 10 TROUBLESHOOTING
COPYRIGHT
©
1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
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