Exposure System; Illuminating Assembly - Canon NP6621 Service Manual

MECHANICAL SYSTEM
IV. EXPOSURE SYSTEM
A. Illuminating Assembly
1. Removing the Scanning Lamp/Fluo-
rescent Heater
1) Disconnect the power plug.
2) Remove the copyboard glass.
3) Remove the upper rear cover.
4) Move the scanner unit to the center.
5) Remove the two screws
light-blocking plate
2
Figure 4-401
6) Remove the screw
nector .
7) Pull the halogen lamp
to remove.
6
Figure 4-402
Caution:
Do not touch the halogen lamp. (If necessary,
wrap lint-free paper around it.)
4–34
, and remove the
.
1
, and disconnect the con-
slowly toward the front
7
5
COPYRIGHT © 1998 CANON INC.
2. Removing the Blank Exposure As-
sembly
1) Open the front cover.
2) Pull the open/close lever to open the body.
3) Remove the inside cover.
4) Remove the exhaust fan and the cartridge.
(See "Removing the Exhaust Fan.")
5) Disconnect the connector (J315)
controller PCB; then, remove the two screws
.
1
Figure 4-403
6) Push up the blank exposure assembly
and pull it off toward the bottom front.
3
Figure 4-404
CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
on the DC
2
lightly,