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Envelopes with double-side seams
An envelope with double-side-seam construction has vertical seams at both ends of the
envelope rather than diagonal seams. This style might be more likely to wrinkle. Make sure
that the seam extends all the way to the corner of the envelope as shown in the following
illustration.
1 acceptable envelope construction
2 unacceptable envelope construction
Envelopes with adhesive strips or flaps
Envelopes with a peel-off adhesive strip or with more than one flap that folds over to seal
must use adhesives compatible with the heat and pressure in the printer. The printer's
maximum temperature is 200°C (392°F). The extra flaps and strips might cause wrinkling,
creasing, or jams.
Envelope storage
Proper storage of envelopes contributes to good print quality. You should store envelopes
flat. If air is trapped in an envelope, creating an air bubble, the envelope might wrinkle during
printing.
Cardstock and heavy media
You can print many types of cardstock from the media input trays, including index cards and
postcards. Some cardstock performs better than others because its construction is better
suited for feeding through a laser printer.
For optimum printer performance, do not use paper heavier than 157 g/m
2
(42 lb). Paper that
is too heavy might cause misfeeds, stacking problems, paper jams, poor toner fusing, poor
print quality, or excessive mechanical wear.
NOTE
You might be able to print on heavier paper if you do not fill the input tray to capacity and if
you use paper with a smoothness rating of 100-180 Sheffield.
30 Chapter 4 Printing tasks ENWW