Service manual

Unit 4: Replacement Procedures

SATO D508/D512 Service Manual Page 4-17

Drive Gear Replacement (cont’d)

8 Remove the three screws (7) (See Figure 4-11b) that secure the gear cover (8) to the motor

bracket (9).

9 Detach the two snap rings (10) securing the worn gears (11 &12) and remove.

10 Insert replacement gears (12 & 11) onto their relative spindles using the snap rings (10).

11 Attach the gear cover (8) to the motor bracket (9) using three screws (7).

12 Insert the drive train (6) (See Figure 4-11a) into the printer (3) and secure using two screws

(5).

13 Connect the motor’s wiring harness to the main circuit board (2).

14 Install the circuit board (2), along with the interface cover (4), to the printer (3), using five

screws (1).

15 Reconnect all the appropriate wiring harnesses to the main circuit board (2).

16 Attach the base cover to the housing cover.

17 Load some media, and run some tests to confirm proper function.

Figure 4-11b, Drive Gear Replacement