Samsung CLP-775ND Series Service Manual page 105

► Error Code
H1–1252
H1–1352
► Error message
Paper Empty in Tray 2
Paper Empty in Tray 3
► Symptom
Paper in the optional cassette is empty.
► Troubleshooting method
1) Check if the paper in optional cassette is loaded. Load the paper.
2) Check if the Empty actuator and Empty sensor work properly.
3) If the Empty actuator is defective, replace it.
4) If the Empty sensor is defective, replace it.
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4. Alignment and Troubleshooting
4-46