Lexmark 4021 User Manual page 50

Loading paper and specialty media
Without an optional finisher
Two‑sided printing
Note: For long-edge orientation, load letterhead
faceup with the header on the right side of the
feeder.
Loading prepunched paper
One‑sided printing
•
Load envelopes with the flap side up.
Warning—Potential Damage: Never use envelopes with stamps, clasps, snaps, windows, coated
linings, or self‑stick adhesives. These envelopes may severely damage the printer.
Two‑sided printing
With an optional finisher
Two‑sided printing
Note: For long-edge orientation, load letterhead
faceup with the header on the left side of the
feeder.
50