Loading envelope
You can stack up to 15 envelopes in the sheet feeder or you can manually feed envelopes one at a time. U.S. Commercial number 10 envelopes and Envelope DL envelopes are recommended.
Important:¡The following envelopes are not recommended because they may cause jams or smears, or may damage your unit.
—Envelopes with windows, holes, perforations, cutouts, and double flaps.
—Envelopes made with special coated paper or deeply embossed paper.
—Envelopes using
—Envelopes in which letters have been enclosed.
Loading commercial #10 envelope
To load a commercial number 10 or a envelope that is longer than 83⁄4 inch (222 mm) in width, you must use the manual feed and proceed as follows.
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Make sure the paper thickness lever is set to the right.
Set the paper selection lever to the front and pull the paper rest up until it stops.
Insert a envelope printing side up.
¡The envelope must be loaded with the shorter side first to avoid a paper jam.
¡Adjust the paper guide.
Paper 
thickness 
lever 
Right
Paper rest
Paper selection lever
Paper guide
Note:
¡If you are using the
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