Samsung ML-2851ND/SEE Service Manual page 99

4) Paper Empty
Description: The paper lamp on the operator panel is on even when paper is loaded in the cassette.
1. Bending or deformation
of the actuator of the paper sensor.
engine board is defective
3. Check the Connector.
Service Manual
Alignment & Troubleshooting
2. The function of the
Replace the defective actuator.
Replace the Sensor PBA.
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