Ricoh FT4480 Field Service Manual page 62

- SCANNER DRIVE MOTOR REPLACEMENT -
1. Turn off the main switch.
2. Remove the platen cover and the mounting studs.
3. Remove the left scale (2 short screws), the exposure glass, and the
upper cover (9 screws).
4. Remove the rear cover 2 (screws).
5. Tape the scanner drive pulley [A] and pulleys WP2 and WP3 as
shown to avoid the scanner wire coming off.
Loosen the scanner drive pulley (1 Allen screw [B]).
6.
Remove the scanner drive pulley from the motor shaft.
7.
8. Remove the motor bracket [C] (3 screws).
Remove the scanner drive motor [D] (4 screws and 2 connectors).
9.
Install the new scanner drive motor and reassemble.
10.
NOTE: a) When installing the scanner drive motor, make sure the 3p connector is
positioned on the left-hand side.
b) When installing the scanner drive pulley on the motor shaft, the
scanner drive pulley should be flush with the end of the motor shaft.
11. Examine the scanner drive wire for proper installation.
3-11
15 MARCH 1987