Dell S2810dn User Manual page 283

3 Pull tray1 from the printer about 200 mm.
4 Hold tray1 with both hands, and remove it from the printer.
5 Remove the jammed paper.
6 Insert tray1 into the printer, and push until it stops.
NOTE:
Do not use excessive force on the tray. Doing so could damage the tray or the inside of the printer.
283
Clearing Jams