Technical information

IV. EXP
YSTEM
A. Illuminating Unit
1.
-.:
1)
2)
3)
Remowing the Scanning bamp
iii. Dry wipe the scanning lamp if it is soiled.
Disconnect the power plug.
Remove the copyboard glass.
Remove the mounting screw, and remove the
light shutter.
2. Remowing the Thermal Fuse
1) Remove the control panel, and remove the
copyboard glass.
@ Mounting screws
@ Light shutler
Figure 4-53
4) Push the lamp electrode plate (rear) in the
direction of the arrow. and remove the scanning
lamp.
Note:
i. Wait until the scanning lamp has cooled
before starting the work.
ii. Do not leave finger prints on the scanning
lamp.
2) Hold the rear side of the No. 1 mirror unit, and
move it to the right as shown in Figure 4-55.
Note :
Be sure to hold the rearsídewhen moving the
No. 1 mirror mount.
/
0
\
0
@ Mounting screw
@ Thermal fuse
@ No. 1 mirror mount
Figure 4-55
3) Remove the two mounting screws, and remove
the thermal fuse.
@ Lamp electrode plate (rear)
0 Scanning lamp
Figure 4-54
4-l 8
COPYAIGHT 0 1592 CANON INC.
CANON NPZl2012020 RN.0 MAY 1990 PRINTEO IN JAPAN IIMPRIME AU JAPONI