Canon 1130 Service Manual page 156

13) Compare the reading and the value
(Pmax) recorded on the label. If different,
turn VR2 [7] on the laser driver PCB so
that the reading and the recorded value are
identical.
· While watching the
reading of the laser
power checker, turn VR2
gradually, taking care
not to increase the power
in excess. (Turning VR2
c o u n t e r c l o c k w i s e
reduces the laser output.)
· The laser diode is
vulnerable. Be sure NOT
to exceed the value
recorded on the label.
· Take care NOT to press
the Start key while
making
using VR2.
14) Press the Stop key to stop the laser output.
15) Perform laser adjustments.
5. Adjusting the Laser
Be sure to adjust laser
power before starting to
adjust the laser.
1) Select ADJUST>LASER in service
mode.
COPYRIGHT © 2002 CANON INC.
adjustments
CANON CLC1100/1130/1150/1160/1180 REV.1 FEB. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 5 LASER EXPOSURE SYSTEM
[7]
Figure 5-514
5-13