Lexmark C748 User's Guide - Page 124

Tips on using envelopes, Card Stock & Label Guide

Page 124 highlights

Paper and specialty media guidelines 124 • Use transparencies designed specifically for laser printers. Transparencies must be able to withstand temperatures of 230°C (446°F) without melting, discoloring, offsetting, or releasing hazardous emissions. • To prevent print quality problems, avoid getting fingerprints on the transparencies. • Before loading transparencies, flex the stack to prevent sheets from sticking together. • We recommend Lexmark transparencies. For ordering information, see the Lexmark Web site at www.lexmark.com. Tips on using envelopes Print samples on the envelopes being considered for use before buying large quantities. • Use envelopes designed specifically for laser printers. Check with the manufacturer or vendor to ensure that the envelopes can withstand temperatures up to 220°C (446°F) without sealing, wrinkling, curling excessively, or releasing hazardous emissions. • For best performance, use envelopes made from 90‑g/m2 (24‑lb bond) paper or 25% cotton. All‑cotton envelopes must not exceed 70‑g/m2 (20‑lb bond) weight. • Use only new envelopes from undamaged packages. • To optimize performance and minimize jams, do not use envelopes that: - Have excessive curl or twist. - Are stuck together or damaged in any way. - Have windows, holes, perforations, cutouts, or embossing. - Have metal clasps, string ties, or 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 bent corners. - Have rough, cockle, or laid finishes. • Adjust the width guides to fit the width of the envelopes. Note: A combination of high humidity (over 60%) and high printing temperature may wrinkle or seal envelopes. Tips on using labels The printer supports the following types of labels designed for laser/LED printers: • One‑sided paper labels • Vinyl, pharmacy, and double‑sided labels • Vertical marketing labels For detailed information on label printing, characteristics, and design, see the Card Stock & Label Guide available on the Lexmark Web site at http://support.lexmark.com.

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Use transparencies designed specifically for laser printers. Transparencies must be able to withstand temperatures
of 230°C (446°F) without melting, discoloring, offsetting, or releasing hazardous emissions.
To prevent print quality problems, avoid getting fingerprints on the transparencies.
Before loading transparencies, flex the stack to prevent sheets from sticking together.
We recommend Lexmark transparencies. For ordering information, see the Lexmark Web site at
www.lexmark.com
.
Tips on using envelopes
Print samples on the envelopes being considered for use before buying large quantities.
Use envelopes designed specifically for laser printers. Check with the manufacturer or vendor to ensure that the
envelopes can withstand temperatures up to 220°C (446°F) without sealing, wrinkling, curling excessively, or
releasing hazardous emissions.
For best performance, use envelopes made from 90
g/m
2
(24
lb bond) paper or 25% cotton. All
cotton envelopes
must not exceed 70
g/m
2
(20
lb bond) weight.
Use only new envelopes from undamaged packages.
To optimize performance and minimize jams, do not use envelopes that:
Have excessive curl or twist.
Are stuck together or damaged in any way.
Have windows, holes, perforations, cutouts, or embossing.
Have metal clasps, string ties, or 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 bent corners.
Have rough, cockle, or laid finishes.
Adjust the width guides to fit the width of the envelopes.
Note:
A combination of high humidity (over 60%) and high printing temperature may wrinkle or seal envelopes.
Tips on using labels
The printer supports the following types of labels designed for laser/LED printers:
One
sided paper labels
Vinyl, pharmacy, and double
sided labels
Vertical marketing labels
For detailed information on label printing, characteristics, and design, see the
Card Stock & Label Guide
available on
the Lexmark Web site at
.
Paper and specialty media guidelines
124