Adjust the guide to fit the width of the envelopes.

To load an envelope into the single sheet feeder, insert the envelope with the flaps closed and the short-edge of the envelope facing into the printer. The print side must be facing down.

See "Loading Envelopes in the Standard 250-Sheet Tray and Optional 250- Sheet Feeder" or "Loading an Envelope in the SSF" for instructions on loading an envelope.

Use one envelope size during a print job.

Ensure that the humidity is low because high humidity (more than 60 %) and the high printing temperatures may seal the envelopes.

For best performance, do not use envelopes that:

Have excessive curl or twist

Are stuck together or damaged in any way

Contain windows, holes, perforations, cutouts, or embossing

Use metal clasps, string ties, or metal folding bars

Have an interlocking design

Have postage stamps attached

Have any exposed adhesive when the flap is in the sealed or closed position

Have nicked edges or bent corners

Have rough, cockle, or laid finishes

Labels

Your printer can print on many labels designed only for use with laser printers. When selecting labels:

Label adhesives, face sheet (printable stock), and topcoats must be able to withstand temperatures of 205 °C (401 °F) and pressure of 25 pounds per square inch (psi).

Use labels that can be without sealing, excessive curling, wrinkling, or releasing hazardous emissions.

Do not use label sheets with a slick backing material.

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Print Media Guidelines

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Dell 2150cn manual Labels