4. Alignment and Troubleshooting
Service Manual
ML-331x/371x series
4-34
Samsung Electronics
● Code
M2-2110
● Error message
Paper Jam inside machine.
● Symptom / Cause
A paper jam was detected in the duplex area.
1. The printed image is skewed.
2. The duplex unit is not installed or the installation is wrong.
3. There is some obstacles in the paper path.
● Troubleshooting method
1. Remove the jammed paper.
2. Remove the contamination or obstacles in the paper path.
3. Check if the duplex unit is installed properly.
● Code
M2-2310
● Error message
Paper Jam bottom of duplex.
● Symptom / Cause
A paper jam was detected in the bottom of duplex.
1. There is some obstacles in the paper path.
2. The paper guide in the tray was not adjusted properly.
3. The exit sensor was not assembled properly.
● Troubleshooting method
1. Remove the jammed paper.
2. Remove the contamination or obstacles in the paper path.
3. Adjust the paper guide properly.
4. Check if the exit sensor is assembled properly. Reassemble it.
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