Ricoh FT4480 Field Service Manual page 60

- LENS DRIVE MOTOR REPLACEMENT -
1. Turn off the main switch and remove the following parts:
1) Development unit
2) Charge corona unit (1 screw)
3) Toner collection bottle
4) Drum stay (1 screw and knob)
5) Cleaning unit
6) Drum flange and drum - should be covered with a shielding sleeve.
2. Remove the platen cover and the mounting studs.
3. Remove the left scale, the exposure glass, and the upper cover.
4. Move the scanner to the home position.
5. Remove the lens cover [A] (2 screws).
6. Move the lens unit [B] to a reduction position.
7. Remove the lens drive gear cover [C] (2 screws) and the idle gear
[D] .
8. Remove the rear cover and lower the PCB plate (2 screws each).
9. Disconnect the connector [E] (6p; black) of the lens drive motor [F]
and remove the nylon clamp [G] (1 screw).
Replace the lens drive motor [F] from the front (2 screws).
10.
3-9
15 MARCH 1987