Note: When the lens drive wire is removed, the magnification adjust-
ment and the focus adjustment are required.
4-5. No. 4/5 mirror unit and peripheral parts
replacement
1
Remove the manual paper fed unit, the right upper cabinet, and
the table glass.
2
Remove the dark box cover fixing screw (1 pc.) and remove the
cover.
3
Remove the mirror holder spring.
4
Remove the shaft mounting plate, pull out the shaft towards the
paper feed side, and remove No. 4/5 mirror unit.
5
Remove the fixing screw of the center section of the drive pulley,
and remove the pulley.
6
Remove the CN-E connector of the main PWB, remove the drive
motor fixing screws (2 pcs.), and remove the No.4/5 mirror unit
from the mounting section (square hole in the base plate).
For assembly, reverse the disassembly procedures.
4-6. Optical unit removal
1
Remove the drum unit and the developer unit.
2
Remove the right cabinet, the left cabinet, the operation panel, the
medium cabinet, and the rear cabinet.
3
Remove three connectors
A
from the sensors in the rear as
shown in the figure.
4
Remove connector
B
between the mirror motor and the main
PWB (CN-C).
5
Remove two snap bands
C
which are binding cables of the
operation panel.
6
Remove the optical unit .
4-7. Other parts in the optical system
1
Remove the rear upper cabinet.
2
Remove the CN-C connector of the main PWB and the fixing
screws (2 pcs.), and pull out the mirror motor towards the rear
frame.
C
A
A
B
6 – 11
