Print Media Guidelines 231
Selecting Pre-Printed Media and Letterheads
When selecting pre-printed and letterhead paper for the printer:
• Use grain long paper for best results.
• Use only forms and letterheads printed using an offset lithographic or engraved printing process.
• Select paper that absorb ink, but does not bleed.
• Avoid paper with rough or heavily textured surfaces.
• Use paper printed with heat-resistant inks designed for use in xerographic copiers. The ink must withstand
temperatures of 225 °C (437 °F) without melting or releasing hazardous emissions.
• Use inks that are not affected by the resin in the toner or the silicone in the fusing unit. Inks that are oxidation-set
or oil-based should meet these requirements; latex inks might not. If you are in doubt, contact your paper supplier.
Selecting Pre-Punched Paper
When selecting pre-punched paper for the printer:
• Test paper from several manufacturers before ordering and using large quantities of pre-punched paper.
• Paper should be punched at the paper manufacturer and not drilled into paper already packaged in a ream. Drilled
paper can cause jams when multiple sheets feed through the printer. This may result in a paper jam.
• Pre-punched paper can include more paper dust than standard paper. Your printer may require more frequent
cleaning and feed reliability may not be as good as standard paper.
• Weight guidelines for pre-punched paper are the same as non-punched paper.
Envelopes
Depending on the envelopes, it is possible to expect variable levels of wrinkling. It is recommended that you try a
sample first before buying large quantities of any print media. See
"
Loading an Envelope in the MPF
"
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 the MPF. Set the paper type to
Envelope
, and select the correct size of envelope from
the printer driver.
• Use envelopes made from 75 g/m
2
(20 lb bond) paper. You can use up to 105 g/m
2
(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
2
(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.
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