Samsung ML-2151N-XBH - Manual (Page 135)

S OLVING P ROBLEMS 7.8
N OTE : If the jammed paper is not invisible or if there is resistance
when you pull the paper, remove the tray from the printer and
carefully pull the jammed paper free from the printer.
3 Slide the tray back into the printer.
4 Open and close the top cover to resume printing.
In the Optional Tray2
1 Pull the optional Tray2 out of the printer.
2 If you see the jammed paper, remove the paper from the
tray.