4. Alignment and Troubleshooting
4-31
Samsung Electronics
Service Manual
ML-331x/371x series
● Code
M1-5112
● Error message
Paper is empty in tray 1.
● Symptom / Cause
Paper is empty in Tray1. The status LED is red.
1. There is no paper in the tray1.
2. Actuator-Paper Empty is defective.
3. Photo Sensor is defective or connection is bad.
4. Main Board is defective.
● Troubleshooting method
1. Load the paper in the tray1.
2. If the Actuator-Paper Empty is defective, replace it.
3. If the Photo Sensor is defective, replace it. Check if the connector is connected properly.
Empty sensor
Empty
actuator
Empty sensor
Empty
actuator
4. If the problem persists, replace the Main Board.
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