Dell 1135N Service Manual page 129

Alignment and Troubleshooting
4) Paper Empty
Description : Paper empty error message is displayed on LCD when paper is loaded in the
cassette.
1. Bending or deformation
Replace the defective actuator.
of the actuator of the paper sensor.
2. The function of the
Replace the SMPS.
engine board is defective
3. Check the Connector.
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Service Manual