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Printer
Envelope specifications
We recommend that you purchase only high quality envelopes with diagonal seams, as shown in the diagram
below:
Note:
≥Wrinkles may occur in some cases, even if high quality envelopes are used.
We recommend that you do not use envelopes with any of the following characteristics (using these
may result in paper jams):
≥Irregularly shaped envelopes
≥Envelopes with curls, wrinkles, nicks, twists,
dog-ears or other damage
≥Envelopes with side seam construction
≥Highly textured envelopes, or with extremely shiny
surfaces
≥Envelopes that seal by removing a peel-off strip
≥Envelopes with more than one flap to be sealed
≥Self-adhesive envelopes
≥Envelopes that are baggy or not sharply creased
≥Embossed envelopes
≥Envelopes that have previously been printed on
Do not attempt to print on any of the following types of envelopes (these may cause damage to your
printer):
≥Envelopes with clasps, snaps or tie strings (see Fig. 1)
≥Envelopes with transparent windows (see Fig. 2)
≥Envelopes that will melt, discolor, scorch, offset or release
hazardous emissions when exposed to 200 oC (392 oF) for
0.1 second
≥Envelopes that use encapsulated types of adhesive that do not
require moistening but rely on pressure to seal them
Always test a sample of the envelopes you are thinking of buying. Confirm that the envelope performs
acceptably.
For best printing results
≥Avoid printing in high humidity i.e., above 70 %.
High humidity may cause the envelope to curl and pick up excess toner.
High humidity may also cause the envelope to seal.
≥Avoid printing below 10 oC (50 oF) with less than 30 % relative humidity.
Low temperature with low humidity may cause light printing.
≥Print only one envelope at a time.
Envelope storage is very important. Store them away from moisture and humidity, where they can lay flat and
their edges will not be bent or damaged. The humidity should not exceed 70 % RH.
92
High quality envelopes have the following
characteristics:
≥A thin, sharply creased leading edge
≥Paper weight of 75 g/m
2
(20 lb.)
≥Flat, free of curls, wrinkles, nicks, etc.
≥No cotton and/or fiber material included
Side seam
Peel-off strip Multiple flaps
construction
Twist
Curl
Wave
Dog-ears
Fig. 1
Bent-edge
Self adhesive
Fig. 2
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