Lexmark All in One Printer - Manual (Page 90)

90 Clearing Jams
Between tray, duplex unit, and
integrated tray
N OTE : To avoid tearing paper when opening the duplex front access
cover, pull the duplex front access cover out gently and
slowly.
1 Pull the paper tray out of the support unit. If only a short piece
of the paper is visible, do not pull down to remove the paper.