Lexmark MC2640 Paper and Specialty Media Guide PDF - Page 18

Optimizing envelope performance, Labels, Label guidelines, heat, pressure, and paper path

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Guidelines for selecting and using paper 18 • Use only new envelopes from undamaged packages. • Adjust the guides to fit the width of the envelopes. • Flex, fan, and align the sheets before loading. Note: A combination of high humidity (over 60 percent) and high printing temperature may wrinkle or seal envelopes. Optimizing envelope performance To minimize jams, do not use envelopes that: • Have an 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 sealed or closed • Have bent corners • Have rough, cockle, or laid finishes For more information about envelope support for your printer, see "Printer-specific paper support" on page 30. Labels Labels or pressure‑sensitive materials are multi‑ply materials that contain various combinations of face sheets (printable stock), adhesives, and removable protective backings (liners). These layers can result in thick materials that are difficult to handle. Labels are among the most difficult print materials for any printer to feed reliably and print. Factors, such as heat, pressure, and paper path, could make printing on labels quite challenging. For example, temperatures near 225°C (437°F) and pressures to 25 psi can be necessary for the fusing process. Temperatures vary between printers. Check the section for your specific printer. Heavy label stock can absorb heat, which affects toner adhesion and print quality, causing delamination. Note: Make sure that you use labels specifically designed for laser printer to prevent labels from peeling off or delaminating. Label guidelines • Set the paper size, type, texture, and weight in the Paper menu to match the labels loaded in the tray. • Print samples on labels before buying large quantities. • Use labels designed specifically for laser printers. • Do not use labels with slick backing material. • Do not use labels with exposed adhesive.

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•
Use only new envelopes from undamaged packages.
•
Adjust the guides to fit the width of the envelopes.
•
Flex, fan, and align the sheets before loading.
Note:
A combination of high humidity (over 60 percent) and high printing temperature may wrinkle or seal
envelopes.
Optimizing envelope performance
To minimize jams, do not use envelopes that:
•
Have an 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 sealed or closed
•
Have bent corners
•
Have rough, cockle, or laid finishes
For more information about envelope support for your printer, see
“Printer-specific
paper support” on page
30
.
Labels
Labels
or pressure
‑
sensitive materials are multi
‑
ply materials that contain various combinations of face sheets
(printable stock), adhesives, and removable protective backings (liners). These layers can result in thick
materials that are difficult to handle.
Labels are among the most difficult print materials for any printer to feed reliably and print. Factors, such as
heat, pressure, and paper path, could make printing on labels quite challenging. For example, temperatures
near 225°C (437°F) and pressures to 25 psi can be necessary for the fusing process. Temperatures vary between
printers. Check the section for your specific printer. Heavy label stock can absorb heat, which affects toner
adhesion and print quality, causing delamination.
Note:
Make sure that you use labels specifically designed for laser printer to prevent labels from peeling off
or delaminating.
Label guidelines
•
Set the paper size, type, texture, and weight in the Paper menu to match the labels loaded in the tray.
•
Print samples on labels before buying large quantities.
•
Use labels designed specifically for laser printers.
•
Do not use labels with slick backing material.
•
Do not use labels with exposed adhesive.
Guidelines for selecting and using paper
18