Lexmark Multifunction Laser User Manual page 59

Loading the 2000-sheet tray
Follow these instructions to load a 2000-sheet tray. Do not load any print media other than paper in the 2000-sheet tray.
1
Pull open the tray.
2
Squeeze the side guide lever, lift the guide, and place it into the appropriate slot for the size paper you are loading.
3
Squeeze the two front guide levers and slide the guide to the correct position for the size paper you are loading.
Printing
LT.LG
A5
EX
B5
A4
Loading standard trays and optional trays
59
LT.LG
A5
EX
B5
A4