Samsung CLP-775ND Series Service Manual page 106

4. Alignment and Troubleshooting
► Error Code
M1–1110
► Error message
Paper Jam in Tray 1.
► Symptom
A jammed paper has occurred in the Tray 1.
► Troubleshooting method
1) Remove the tray 1. If there is the jammed paper inside the machine, remove it.
If the problem persists, check the following.
2) Check if the paper guide is adjusted properly.
3) Check if the Pickup, Feed, Retard rollers are contaminated or worn out. Clean or replace it if necessary.
4) Check if there are any obstacles or contamination on the paper path.
5) If the Pick up roller doesn't operate, check the gear and clutch from the end of shaft.
6) If the Pick up roller rotates but paper is not fed, check for dirty or worn out roller.
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