Laser Focus Adjustment - Canon 1000 Service Manual

7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
6

Laser Focus Adjustment

1) Check to make sure that the marking [1] on the
lens assembly matches the marking [2] on the
lens mount (standard position).
[1]
[2]
Figure 7-276
If the unit is not in standard position, loosen the
locking nut [3], and turn the lens assembly until the
distance to the end [4] of the lens assembly is 27.3
±0.2 mm, i.e., where the markings match.
Figure 7-277
7-40
COPYRIGHT © 2001 CANON INC.
[4]
[3]
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
2) Perform focusing adjustments by turning the
lens assembly once again according to the val-
ues recorded on the label. For instance, if the
value is "+2/8," turn the lens assembly in the
positive direction (counterclockwise when
viewing from the end of the lens assembly)
over two notches.
Feed length label
FS6-8028
Figure 7-278
Figure 7-279
3) Tighten the locking nut, and fix the position of
the lens in place.
Positive direction