162
Adjustment Procedures
Belt, Platen Open, Adjustment (Figure 22)
1. Prepare the printer for maintenance (page 158).
2. Cabinet Model: Remove the paper guide assembly (page 235).
Pedestal Model: Remove the top cover assembly (page 210).
3. Remove the platen open belt cover (1) by squeezing the top and bottom
to release the plastic tabs from the slots in the side plate.
4. Loosen the motor mount screws (2).
5. Close the forms thickness lever all the way.
ATTENTION
Too much tension on the platen open belt can cause the platen gap to
change, which can lead to premature wear of the platen, damaged
hammer tips, and poor print quality.
6. Using a force gauge, apply 10
± 1 pounds (44.48 ± 4.45 N) of tension to
the shank of the platen drive pulley (3), pushing away from the large
platen pulley.
7. Reduce tension to 5
± 1 pounds (22.24 ± 4.45 N) and tighten the motor
mount screws (2).
8. Snap the platen open belt cover (1) into the slots in the side plate.
9. Cabinet Model: Install the paper guide assembly (page 235).
Pedestal Model: Install the top cover assembly (page 210).
10. Return the printer to normal operation (page 159).
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