136
Chapter 4 Belt, Platen Open, Adjustment
Belt, Platen Open, Adjustment
1. Prepare the printer for maintenance (page 132).
2. Cabinet Models: Remove the paper path (page 199).
Pedestal Models: Remove the top cover assembly (page 179).
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. Using a 5/32 inch Allen wrench, slowly loosen the motor adjustment
screw (2) just enough to permit movement of the platen open motor in the
slotted side plate.
5. Close the forms thickness lever all the way.
CAUTION
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. The spring will automatically tension the belt.
7. Slowly tighten the motor adjustment screw (2).
NOTE: Belt tension is correct if the belt deflects 3/16 inch midway between
the pulleys. If deflection is more or less than 3/16 inch, repeat steps 4
through 7.
8. Snap the platen open belt cover (1) into the slots in the side plate.
9. Cabinet Models: Install the paper path (page 199).
Pedestal Models: Install the top cover assembly (page 179).
10. Return the printer to normal operation (page 133).
To Next Page
Loading...
