Lexmark CS531
Adjust the edge guides to match the width of the paper that you are loading.
Note: Make sure that the guides fit snugly against the paper, but not too tight as to cause the paper to buckle.
Load a sheet of paper with the printable side facedown.
Note: Make sure that the paper is loaded straight to avoid skewed or crooked print.
Feed the paper until its leading edge gets pulled in.
Warning—Potential Damage: To avoid paper jams, do not force paper into the manual feeder.
Learn the correct way of loading paper into the multipurpose feeder.
Remove paper that is stuck in the manual feeder to continue printing.