Ricoh FT4430 Service Manual page 156

6. Lens Drive Motor Replacement
Turn off the main switch and remove the following parts:
1
(
Development unit
1 )
2) Charge corona unit (1 screw)
3) Toner collection bottle
4) Drum stay (1 screw and knob)
5) Uunit
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.
Move the scanner to the home position.
4 *
5 .
Remove the lens cover [A] (2 screws).
6 .
Move the lens unit [B] to a reduction position.
Remove the lens drive gear cover [C] (2 screws) and the idle gear [D].
7 .
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).
10 .
Replace the lens drive motor [F] from the front (2 screws).
5-9
.
[ F ]