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Samsung Electronics
Troubleshooting
Service Manual
7.4.3 Fuser gear melts due to overheating causing Paper Jam.
• Description
Constant Jam where paper is entering Fuser unit.
Fuser rollers do not turn
Check and Cause Solution
1. Check the Heat Lamp, thermostat and thermistor 1. Use EDC Mode to test the fuser.
Replace Fuser unit
Replace SMPS or Main PBA as appropriate.
7.4.4 Paper Empty
• Description
Paper Empty is displayed in the LCD panel even when paper is loaded in the cassette.
Check and Cause Solution
1. Deformed paper sensor actuator or faulty sensor.
2. SMPS PBA or Main PBA is defective
3. Faulty cables or connectors.
1. Replace the defective actuator or sensor.
2. Replace the SMPS PBA or MAIN PBA as
appropriate.