Muratec DIGITAL LASER F-114 - Manual (Page 125)

Adjustment and Troubleshooting
Service Manual
4-65
3) Fuser gear melts due to overheating causing Paper Jam.
Description: Constant Jam where paper is entering Fuser unit.
Fuser rollers do not turn
1. Check the Heat Lamp,
thermostat and thermistor
Use EDC Mode to test the fuser.
Replace Fuser unit
Replace SMPS or Main PBA as
appropriate.