Adjusting The Tension Of The Scanner Drive Cable; Positioning The Mirror - Canon NP6251 Service Manual

5. Adjusting the Tension of the Scanner Drive Cable

If you have replaced the scanner drive cable, be sure to perform the following to
adjust the tension:
1) Remove the five mounting screws, and remove the upper left cover.
2) Loosen the fixing screw on the tension spring bracket.
3) Turn the tension adjusting screw until the value is as follows:
• Turn the tension adjusting screw A so that the reading of the spring gauge is 200
±50 g when the scanner cable is pulled about 10 mm at the center.

6. Positioning the Mirror

If you have replaced the scanner drive cable, be sure to adjust the position of the
mirror as follows:
1) Move the No. 1 mirror mount and the No. 2/No. 3 mirror mount to the left.
2) Set the mirror positioning tool (front, rear; FY9-3011) as shown.
COPYRIGHT © 1997 CANON INC.
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Figure 3-511
Figure 3-512
CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 3 EXPOSURE SYSTEM
(rear)
10 mm
10 mm
(front)
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