Lexmark MS810n / MS810dn / MS810dtn
Remove the tray.
Remove the jammed paper.
Note: Make sure that all paper fragments are removed.
Insert the tray.
If necessary, press on the control panel.
The printer posts a 230.03 paper jam error with the paper stopping at the rear door. See this article for troubleshooting steps.
459.82 or 459.83 Paper Jams in the Hole Punch Unit (HPU) due to Paper Multifeed