Preventive and Corrective Maintenance
Printhead Upgrade Option
10/27/05 S4M Maintenance Manual 13291L-001 Rev. A
4. See Figure 46. Using a hex key, loosen the stepper motor pivot screw and locking screw.
Figure 46 • Loosen the Stepper Motor
5. Swing the stepper motor up to remove tension from the belt and tighten the locking screw
in this position.
6. Remove the belt from the stepper motor drive gear/pulley.
7. Remove and retain the two set screws on the platen roller pulley. Remove the pulley and
belt. Discard the belt.
4Platen pulley set screws (2)