Konica Minolta bizhub 20 - Manual (Page 24)

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Envelopes
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Most envelopes will be suitable for your
machine. However, some envelopes may
have feed and print-quality problems
because of the way they have been made. A
suitable envelope should have edges with
straight, well-creased folds and the leading
edge should not be thicker than two sheets of
paper. The envelope should lie flat and not be
of baggy or flimsy construction. You should
buy quality envelopes from a supplier who
understands that you will be using the
envelopes in a laser machine.
Envelopes can only be fed from the MP tray.
Do not print envelopes using duplex printing.
We recommend that you print a test envelope
to make sure the print results are what you
want before you print or purchase a large
quantity of envelopes.
Check the following:
 Envelopes should have a lengthwise
sealing flap.
 The sealing flaps should be folded crisply
and correctly (irregularly cut or folded
envelopes may cause paper jams).
 Envelopes should consist of two layers of
paper in the area circled in figure below.
1 Feeding direction
 Envelope joints that are sealed by the
manufacturer should be secure.
 We recommend that you do not print
within 15 mm of the edges of envelopes.
Types of envelopes to avoid
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IMPORTANT
DO NOT use envelopes:
• that are damaged, curled, wrinkled or
an unusual shape
• that are extremely shiny or textured
• with clasps, staples, snaps or tie
strings
• with self-adhesive closures
• that are of a baggy construction
• that are not sharply creased
• that are embossed (have raised writing
on them)
• that were previously printed by a laser
machine
• that are pre-printed on the inside
• that cannot be arranged neatly when
stacked
• that are made of paper that weighs
more than the paper weight
specifications for the machine
• with edges that are not straight or
consistently square
• with windows, holes, cut-outs or
perforations
• with glue on surface as shown in figure
below
• with double flaps as shown in figure
below
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