Canon NP6218 Service Manual page 188

CHAPTER 6 FIXING SYSTEM
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.
If the copy countis '180' or higher and '348' or lower and has not changed, go to step
17). Or, if 10's and 100's do not change, go to step 17);
14) Loosen the fixing screw
15) Turn the adjusting screw
lower.
Caution:
Adjust so that 10's and 100's will not change; ignore 1's may change ±5.)
• A clockwise turn decreases the reading.
• A counterclockwise turn increases the reading.
16) When the reading in the copy counter is appropriately correct, tighten the screw
make sure that the reading is appropriate after tightening the screw.
17) Press the Start key.
• The copier enters check mode (404), and the fixing film rotates idly for about 2.5
min; check that the fixing film has not shifted from the adjusted position.
• The copy count indicator indicates "
starting with 13).
If " " is indicated, repeat steps 4) through 10).
18) Attach the cover.
6-22
slightly; i.e., move it to the left about 1 mm.
so that the copy count is '180' or higher' and '348' or
COPYRIGHT © 1997 CANON INC.
Figure 6-221
" or " "; if "
CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
" is indicated, repeat steps
;