Lexmark All in One Printer - Manual (Page 104)

104 Clearing Jams
In an output option tray, but
resistance
Paper jams as it exits to an output option tray and a short portion of
the paper is visible.
Try to pull the paper from the front of the tray first, but if you are not
successful, complete the following steps.
1 Locate the paper jam that is visible from an output option tray.
2 Open the output option rear door for the output option and the
output option installed above it. Locate and push the output
option rear door latches in toward the center. The rear doors
open and drop down.
N OTE : If the jam occurs in a high-capacity output
stacker, it may be necessary to open both of its
rear doors.