Samsung ML-1640 - Page 80

Service Manual
Alignment & Troubleshooting
4-30
Samsung Electronics
3) Paper Empty
1. Bending or deformation of
the actuator of the paper sensor.
2. The function of the engine
board is defective Perform DCU mode :
Perform DCU diagnostic
code 8.
Replace the defective actuator.
Replace the engine board.
• Description The paper lamp on the operator panel is on even when paper is loaded in the cassette.