Samsung SL-X7600GX Service Manual page 422

4. Troubleshooting
► Error Code
M1–5111
M1-5112
M1-5113
M1-5120
► Error message
Paper is low in Tray 1. Load paper.
Paper is empty in Tray 1. Load paper.
► Symptom
Paper in the tray1 is less than 10%. / The photo sensor is defective.
► Troubleshooting method
1) Remove tray 1. Load paper in the tray. And insert tray 1.
2) If paper is loaded but error message has not disappeared, check the following:
a) Turn the machine off. Open the Side Cover.
b) Remove Pick-Up Unit1.
c) If the photo sensor is contaminated, clean it.
d) If the photo sensor is defective, replace it.
e) If the actuator is defective, replace it.
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