Service manual

Page 4-16 SATO D508/D512 Service Manual

DRIVE GEAR REPLACEMENT

1 Turn the printer OFF and disconnect the power supply cord.

2 Remove the base cover from the housing cover to access the drive motor.

3 Remove the five screws (1, Figure 4-11a) that secure the main circuit board (2) to the

printer (3).

4 Disconnect all wiring harnesses from the defective main circuit board (2).

5 Remove the circuit board (2), along with the interface cover (4), from the printer (3), and set

it aside.

6 Remove the two screws (5) securing the drive train (6) to the printer (3).

7 Withdraw the drive train (6) from the printer (3) and disconnect the motor’s wiring harness.

Figure 4-11a, Drive Gear Replacement