Samsung ML-2851ND/XAZ Service Manual page 99

5) Paper Empty without indication
Description: The paper lamp on the operator panel does not come on when the paper cassette is empty.
1. Bending or deformation
of the actuator of the paper sensor.
engine board is defective
Service Manual
Alignment & Troubleshooting
2. The function of the
Replace the defective actuator.
Replace the engine board.
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