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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
Print samples on the labels being considered for use before buying large quantities.
Note: Paper labels are supported. Other media such as vinyl may show print quality defects in some environments,
and prolonged vinyl label usage may reduce fuser life.
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.
When printing on labels:
• Use labels designed specifically for laser printers. Check with the manufacturer or vendor to verify that:
– The labels can withstand temperatures up to 190°C (374°F) without sealing, excessive curling, wrinkling, or
releasing hazardous emissions.
– Label adhesives, face sheet (printable stock), and topcoats can withstand up to 25 psi (172 kPa) pressure without
delaminating, oozing around the edges, or releasing hazardous fumes.
Printing 84
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