Datamax W-Class Maintenance Manual page 94

Removal and Replacement
7. From the Side Plate, remove the E-Clip and Bearing from the Platen Roller shaft.
8. Slide the Platen Roller into the Center Plate as far as possible; then raise the free end and remove the
Platen Roller.
Replacement:
1. Insert one end of the Platen Roller into the Center Plate as far as possible.
2. Lower the other end and place it into the Side Plate.
3. Install the Bearing and E-Clip to captivate the Platen Roller shaft in the Side Plate.
4. On the other end, slide the Bearing onto the shaft and into the Center Plate.
5. Align the Platen Pulley flat to the shaft flat and slide it firmly into position.
6. Install the E-Clip to secure it in place.
7. Loop the Timing Belt over the Platen Pulley.
8. Reinstall the Lower Tensioner Spring and allow it to set the belt tension.
9. Tighten the three Drive Motor Bracket Mounting Screws.
10. Replace the covers; see Section 4.1.
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