4-6
Service Manual
Y101700-5
(5) Remove the screws (2 pcs.), the harness, and the optical
unit.
When installing the lens unit, refer to “Lens unit installation
reference” in the next chapter.
4.3.3 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 winding
pulley groove and fix with a screw.
5. Pass the wire under No. 2/3 mirror unit plate and wind it
around the pulley.
6. Pass the wire through the internal groove of the double
pulley and pass through the pulley.
7. Hook the spring hook on the optical base plate.
After installing the mirror base drive wire, be sure to
perform main scanning direction image distortion adjustment.
4.4 Fusing section
4.4.1 List of parts
No.
Part name Ref.
1
Thermistor
2
PPD2 sensor
3
Heater lamp
4
Pressure roller
5
Heat roller
4.4.2 Disassembly procedure
(1) Remove the connectors (3 pcs.) of the rear cabinet.
(2) Open the side cover, remove two screws, and remove
the fusing unit.
(3) Cut the binding band, remove the screw, and remove the
thermistor.
