Samsung ProXpress M453x series Service Manual page 168

4. Troubleshooting
► Error Code
M1–1110
► Error message
Paper jam in Tray 1.
► Symptom
Paper jam has occurred in tray1.
► Troubleshooting method
1) Remove Cassette Tray1 and remove the jammed paper, then reinstall Cassette Tray1.
2) If the problem persists, check the followings.
3) Check if the proper paper is loaded in the tray. If not, replace the paper.
4) Check if the pick up/forward/reverse roller(JC97–02259A) are contaminated or worn out. Replace these rollers.
5) Check if the cassette lifting is working normally. If not, check the feed drive unit(JC93–00350A).
6) Check the connection between the main(feed/fuser) motor and main board.
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