Samsung ML-2250/XBG Service Manual page 86

7.3.3 Fuser gear melts due to overheating causing Paper Jam.
Constant Jam where paper is entering Fuser unit.
• Description
Fuser rollers do not turn
Check and Cause
1. Check the Heat Lamp, thermostat and thermistor. Use
the DCU Diagnostic Test 10 Error codes: '60', '62', '68'.
7.3.4 Paper Empty
• Description
The Paper Empty lamp is lit even when paper is loaded in the cassette.
Check and Cause
1. Deformed paper sensor actuator or faulty sensor.
2. Main PBA is defective. Use DCU Diagnostic Test 08.
3. Faulty cables or connectors.
Samsung Electronics
Solution
1. Replace Fuser unit
2. Replace the Main PBA as appropriate.
Solution
1. Replace the defective actuator or sensor.
2. Replace the MAIN PBA as appropriate.
Troubleshooting
Service Manual
7-13