Platen Open Motor
205
Installation
1. Position the platen open motor assembly with the wires toward the rear
(page 244, item 5).
2. Install the 5/16 inch lower motor mount screw and torque it to
30 inch-pounds (3.39 N•m).
3. Install the 5/32 inch upper motor mount screw (page 244, item 10), platen
spring post, and platen belt spring such that the screw is just loose
enough to permit movement of the motor in the slotted side plate.
4. Rotate the motor all the way forward and install the platen open belt.
5. Connect the platen motor cable connector to connector coupling shroud
P106.
6. Connect coupling shroud connector P106 to the controller board and
install tie-wraps to secure the motor cable. (See the wire routing diagrams
in Appendix A.)
7. 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.
8. The spring automatically tensions the belt.
9. Slowly tighten the motor adjustment screw.
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 7
through 9.
10. Snap the platen open belt cover into the slots in the side plate.
11. Cabinet Models: Install the card cage fan (page 183).
12. Cabinet Models: Install the paper path (page 199).
Pedestal Models: Install the top cover assembly (page 179).
13. Return the printer to normal operation (page 133).
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