Lexmark T420 User Reference page 55

W :
Never use envelopes with clasps, snaps, windows, coated linings, or self-stick
ARNING
adhesives. These envelopes may severely damage the printer.
•
Load envelopes with the flap side down and the stamp area going in last.
Note: For best results, peel-and-stick envelopes should exit to the rear output bin. Open
the rear output bin when printing on these envelopes.
Do not feed stamped envelopes into the multipurpose feeder. The stamp and addresses are
shown for envelope orientation only.
5
Slide the print media into the multipurpose feeder slot as far as it will go without damaging the
print media.
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