Belt, Platen Open - Printronix P7000 Series Maintenance Manual

Chapter 5
Replacement Procedures

Belt, Platen Open

Removal
1. Prepare the printer for maintenance (page 230).
2. Cabinet Models: Remove the paper path (page 303).
Pedestal Models: Remove the top cover assembly (page 281).
3. Remove the platen open belt cover by squeezing the top and bottom to
release the plastic tabs from the slots in the side plate. (See page 235,
item 1.)
4. Using a 5/32 inch Allen wrench, slowly loosen the motor adjustment
screw just enough to permit movement of the platen open motor in the
slotted side plate. (See page 235, item 2.)
5. Push the platen open motor shaft toward the front of the printer to loosen
the platen open belt. (See page 235, item 3.)
6. Roll the platen open belt off the motor pulley and platen open pulley.
Installation
1. Push the platen motor toward the front of the printer and install the platen
open belt over the platen open pulley and the motor pulley. (See page
235, item 3.)
2. Release the platen open motor; the spring will automatically tension the
belt.
3. Slowly tighten the motor adjustment screw. (See page 235, item 2.)
NOTE: Belt tension is correct if the belt deflects 3/16 inch (4.76 mm) midway
4. Snap the platen open belt cover into the slots in the side plate. (See page
235, item 1.)
5. Cabinet Models: Install the paper path (page 303).
Pedestal Models: Install the top cover assembly (page 281).
6. Return the printer to normal operation (page 231).
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between the pulleys. If deflection is more or less than 3/16 inch (4.76
mm), slowly loosen the motor adjustment screw and repeat steps 2
and 3.