Canon CLC 1120 Service Manual page 543

CHAPTER 13 TROUBLESHOOTING
6) Dry wipe the window of the pre-
cleaning sensor, and mount it.
7) Turn on the power switch, and keep
the copier in standby state.
8) Select FUNCTION>INSTALL>
STIR-4 in service mode, and execute
it.
9) Select FUNCTION>SENS-ADJ>
CLN-OFST, and execute it.
10) Record the settings of ADJUST>
SENS-ADJ>CLN-TH, CLN-TMP
on the service label attached behind
the front right cover.
11) Select FUNCTION>INSTALL>
INIT-D in service mode, and execute
it.
c. If the surface of the photosensitive drum
is soiled, wipe it with a flannel cloth
coated with toner. (Do NOT use paper,
lint-free or otherwise.)
Do not use solvent when cleaning it. Do
not touch its surface.
Adjusting the Position of the
3
Photosensitive Drum Fixing
Shaft
Slide the photosensitive drum frame unit
about 5 cm out of the copier, and then slide it
back in. If the movement is not smooth, adjust
the position of the photosensitive drum fixing
shaft using the drum shaft positioning tool
(FY9-3045-000).
This adjustment, however, need not be
made if the images are free of color
displacement, blurring, and faults at intervals
and, moreover, the discrepancy between the
photosensitive drum fixing shaft and the hole
of the photosensitive drum flange is about 1
mm.
1) Slide out the photosensitive drum unit
from the copier.
2) Remove the six screws [1], and detach the
photosensitive drum butting blocks [2]
(front, back);
photosensitive drum [3] from the
photosensitive drum frame unit [4].
3) Slide the photosensitive drum frame unit
into the copier, and secure it in place with
three screws.
4) Secure the drum motor assembly [5] to the
copier temporarily with seven screws [6].
13-16
COPYRIGHT © 1999 CANON INC.
then, detach the
CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
[4]
[2]
[1]
Figure 13-218
[6] [6]
[6] [6]
Figure 13-219
[2] [1]
[3]
[6]
[5]