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 reliably feed 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)
[temperatures vary between printers; check the section for your specific printer] and pressures to 25 psi can be
necessary for the fusing process. Heavy label stock can absorb heat, which in turn affects toner adhesion and print
quality and causes problems such as delamination.
Note: To prevent labels from peeling off or delaminating, make sure the release strength of the labels is sufficient to
withstand the temperature and pressure extremes generated during printing.
Label characteristics
The materials used to construct labels have a wide range of properties that can affect printing. Volatile components
are in the label materials and in the adhesive itself. We recommend that volatile emissions from the label, up to 160°C
(320°F), should be a minimal amount. The volatile components, which have low boiling point, produce emissions when
heated in the fuser and could emit vapors that can damage the printer.
Preprinted inks can also cause printer contamination, and may be present on one or both sides of the label sheet.
Follow the recommended label design guidelines to prevent labels from peeling off, which could cause jams. The label
or adhesive could also melt if the sheet is jammed in the fuser.
Review label designs with a converter or a vendor who has extensive knowledge about labels and laser printers to
ensure that you are using the proper type of labels.
Before purchasing large quantities of labels, make sure you extensively test the labels with your printer.
Printing on labels
Print on full label sheets only. Sheets with missing labels could peel off during printing and result in a paper jam. Partial
sheets can also leave adhesive marks on the printer and cartridge, which could void the printer and cartridge service
warranties.
Do not feed labels through the printer more than once. Doing so may contaminate the cartridge and other components
with adhesive.
Depending on your printer model and the number of labels being printed, printing labels may require special printer
maintenance. For specific maintenance information, see the documentation that came with your printer.
For more information about printing on labels, see the section for your printer in the “Printer specifications” chapter.
Duplexing paper labels
Labels are not typically duplexed because of their special construction. However, printing on both sides of the label
sheet may be possible if certain design, construction, and usage guidelines are followed.
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General
Weight and Dimensions
