Sharp AR-121E Service Manual page 69

AL-1000/1010
(2) Remove the screws (2pcs.), and remove the copy lamp
unit from the mirror base drive wire.
2)
3)
4)
(3) Pull the copy lamp unit toward you to remove the harness.
(4) Remove the screw (4 pc) and remove the cover.
2)
3)
1)
4)
2)
3)
1)
(5) Remove the screws (2 pcs.), the harness, and the optical
unit.
1)
2)
When installing the lens unit, refer to "9-7. Lens unit installation
reference."
C. Assembly procedure
Basically reverse the disassembly procedure.
The mirror base drive wire and the lens drive wire stretching
methods are described below.
a. Mirror base drive wire stretching
1. Hook the metal fixture of the mirror base drive wire on the
projection of the optical base plate.
2. Pass the wire through the external groove of the double
pulley. (At that time, check that No. 2/3 mirror unit is in
contact with the mirror base positioning plate.)
3. Hold so that the winding pulley groove is up, and wind
the mirror base drive wire 9 turns.
4. Put the 8th turn of the mirror base drive wire in the wind-
ing pulley groove and fix with a screw.
5. Pass the wire under Mo. 2/3 mirror unit plate and wind it
around pulley A.
6. Pass the wire through the internal groove of the double
pulley, and pass through pulley B.
7. Hook the spring hook on the optical base plate.
7 7
7 7
6 6
6 6
6 6
5 5
2 2
6 6
2 2
After installing the mirror base drive wire, be sure to perform
main scanning direction image distortion adjustment.
8-4
4)
3)
5)
Wind closely Wind closely
6 6
2 2
5 5
2 2
3 3
6 6
1 1
1 1
3 3
Wind closely Wind closely
4 4