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54 Print Media Guidelines

Envelopes

Depending on the choice of envelopes, it is possible to expect variable levels

of light wrinkling. Before buying large quantities of any print media, it is

recommended that you try a sample first. See "Loading Print Media" on

page59 for instructions on loading an envelope.

When printing on envelopes:

• Use only high-quality envelopes that are designed for use in laser printers.

• Set the print media source to MPF. Set the paper type to

Envelope

, and

select the correct size of envelope from the printer driver.

• For best performance, use envelopes made from 75 g/m

(20 lb bond)

paper. You can use up to 105 g/m

(28 lb bond) weight for the envelope

feeder as long as the cotton content is 25% or less. Envelopes with 100%

cotton content must not exceed 90 g/m

(24 lb bond) weight.

• Use only freshly unpackaged, undamaged envelopes.

• Use envelopes that can withstand temperatures of 205°C (401°F) without

sealing, excessive curling, wrinkling, or releasing hazardous emissions. If

you have any doubts about the envelopes you are considering, check with

the envelope supplier.

• Adjust the guide to fit the width of the envelopes.

• To load envelope in MPF, the print side must be facing up.

• See "Loading Envelopes" on page64 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, embossing

– Use metal clasps, string ties, or metal folding bars

– Have an interlocking design

– Have postage stamps attached

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Dell 1250 Color Guide de l'utilisateur Page 56