194Chapter 5 Replacement ProceduresBelt, Platen OpenRemoval1. Prepare the printer for maintenance (page 154).2. Cabinet Models: Remove the paper path (page 222).Pedestal Models: Remove the top cover assembly (page 204).3. Remove the platen open belt cover by squeezing the top and bottom torelease the plastic tabs from the slots in the side plate. (See page 159,item 1.)4. Using a 5/32 inch Allen wrench, slowly loosen the motor adjustmentscrew just enough to permit movement of the platen open motor in theslotted side plate. (See page 159, item 2.)5. Push the platen open motor shaft toward the front of the printer to loosenthe platen open belt. (See page 159, item 3.)6. Roll the platen open belt off the motor pulley and platen open pulley.Installation1. Push the platen motor toward the front of the printer and install the platenopen belt over the platen open pulley and the motor pulley. (See page159, item 3.)2. Release the platen open motor; the spring will automatically tension thebelt.3. Slowly tighten the motor adjustment screw. (See page 159, item 2.)NOTE: Belt tension is correct if the belt deflects 3/16 inch (4.76 mm) midwaybetween the pulleys. If deflection is more or less than 3/16 inch (4.76mm), slowly loosen the motor adjustment screw and repeat steps 2and 3.4. Snap the platen open belt cover into the slots in the side plate. (See page159, item 1.)5. Cabinet Models: Install the paper path (page 222).Pedestal Models: Install the top cover assembly (page 204).6. Return the printer to normal operation (page 155).
