TEC SX4T - B B/W Direct Thermal User Manual page 281

10. MAJOR UNIT REPLACEMENT
5) Remove the four SMW-4x8 screws to detach the stepping motor from the motor bracket.
SMW-4x8 Screw
Stepping Motor
6) Replace the stepping motor with a new one, then reassemble in the reverse order of removal.
At this time, take care of the following points.
Place the stepping motor so that the harness faces the Main PC board.
When reassembling the stepping motor, place the two timing belts around the pulley so that the
partition is positioned between two belts.
The screw holes to attach the stepping motor are shaped oval, which allows you to adjust the
attaching position. Hold down the tension gauge onto the stepping motor at 3kg force and
secure it with the two SMW-4x8 screws.
Stepping Motor
Screw Hole
Partition
Pulley
SMW-4x8 Screw
10- 8
10.4 STEPPING MOTOR
Motor Bracket
SMW-4x8 Screw
Timing Belt
Tension Gauge
EO18-33012A