2-5
EM18-33017
2. MAJOR UNIT REPLACEMENT
4) When replacing the stepping motor, place the platen belt around the pinion gear first, then the feed
roller belt, so that the partition is positioned between the two belts. Press down on the stepping motor
with 3.5 Kg
±
300 g force and secure it so the platen belt and feed roller belt have no slack, are
engaged ,and evenly tense.
5) Reassemble in the reverse order of removal.
Screw (FL-4x6)
Front Plate
Screw (FL-4x6)
Platen Belt
Feed Roller Belt
Screw (FL-4x6)
Fig. 2-6
CPU PC Board
CN14
Screw (SM-4x10C)
Stepping Motor
Fig. 2-7
2.3 REPLACING THE STEPPING MOTOR
1) Remove the 4 screws (FL-4x6) to detach the front plate.
2) Disconnect the cable from CN14 on the CPU PC board.
3) Remove the two screws (SM-4x10C), take the two belts off the pinion gear, and remove the stepping
motor.
2.3 REPLACING THE STEPPING MOTOR