Samsung SL-M4080FX Service Manual page 177

► Error Code
H1-1451 / H1–1452
► Error message
Paper Low in tray 4 / Paper is low in tray 4. Load paper
Paper Empty in tray 4 / Paper is empty in tray 4. Load paper
► Symptom
Paper in the tray4 is less than 10% of specification. / The photo sensor is defective.
► Troubleshooting method
1) Remove tray4. Load the paper in tray4.
2) If paper is loaded but error message has not disappeared, check the following.
a) Check if the paper empty sensor is contaminated. If so, clean it.
b) If the paper empty sensor is defective, replace it.
c) If the empty actuator is defective, replace it.
► Error Code
H1-1453
► Error message
Error: #H1-1453 / Tray Failure: #H1-1453. Pull tray 4 out and insert it. Call for service if the problem persists
► Symptom
The paper is not fed from tray4.
► Troubleshooting method
1) Check if the cassette detection sensor cable is connected correctly. Unplug and reconnect it.
2) If the connection is OK, replace the cassette detection sensor.
3) Check if the Lift-Motor connector is connected properly.
4) If the problem persists, replace the Lift-Motor.
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4. Troubleshooting
4-80