Canon NP6251 Service Manual page 544

3. Orientation of the Heat Absorbing Glass
When replacing the heat absorbing glass, make sure that the white paint marking is
toward the rear of the machine.
4. Adjusting the Tension of the Scanning Lamp Cable
1) Remove the two mounting screws, and remove the left cover.
2) Loosen the fixing screw on the tension spring bracket.
3) Turn the tension adjusting screw so that the reading is as indicated.
• Turn the tension adjusting screw A so that the reading of the spring gauge is 200
±50 g when the center of the scanner cable is pulled about 10 mm.
COPYRIGHT © 1997 CANON INC.
(rear)
Figure 11-210
A
A
Figure 11-211
CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 11 TROUBLESHOOTING
White paint
(front)
(rear)
10 mm
10 mm
(front)
11-13