Lexmark T420 User Reference page 52

2
Prepare print media for loading.
Note: Do not load different sizes or types of print media in the multipurpose feeder at the
same time. Doing so may cause a jam.
•
Flex sheets of paper back and forth to loosen them, then fan them. Do not fold or crease the
print media. Straighten the edges on a level surface.
•
Hold transparencies by the edges and fan them to prevent feeding failures.
Note: Avoid touching the print side of the transparencies. Be careful not to scratch them.
•
Fan envelopes back and forth to loosen them. Do not fold or crease the envelopes. Straighten
the edges on a level surface.
52