2 replacing the stepping motor - 4, 2 replacing the stepping motor – Toshiba B-570 SERIES User Manual

Page 65

2-4

EM18-33010A

2. MAJOR UNIT REPLACEMENT

4) When replacing the stepping motor, place the platen belt first then the feed roller belt around the

pinion gear so that the partition is positioned between two belts. Hold down the stepping motor at
3.5 kg

300 g force and secure it so that the belts have no slack or disengagament.

5) Reassemble in the reverse order of removal.

Fig. 2-6

(Revision Date: Feb. 10, 2000)

2.2 REPLACING THE STEPPING MOTOR

1) Remove the two black screws to detach the front plate, remove the two FL-4x6 screws to detach the

belt cover.

2) Unclamp and disconnect the connector from CN13 on the CPU PC board.

3) Remove the two SM-4x8B screws, loosen the two belts from the pinion gear, and remove the

stepping motor.

Fig. 2-7

Black Screw

Front Plate

Belt Cover

Screw (FL-4x6)

CPU PC Board

CN13

PS Unit

Stepping Motor

Clamp

Partition

Pinion Gear

Feed Roller Belt

Screw (SM-4x8B)

Platen Belt