24
Curly Envelopes
An envelope tends to curl excessively or become uneven in its thickness since it is
constructed by paper which is folded, creased, and seamed in many parts, making
the stack of envelopes on the feeder tray unlevel. To avoid feeding problems, the
unlevelness of the stack of envelopes on the paper tray must be less than those
specified in the following figures.
· Vertical curl
· Horizontal curl
Reduce the envelopes, if necessary to keep the unlevelness of the stack of
envelope within the specified limit.
Post cards
The paper used in postcards should have a basis weight of 135 to 190 g/m
2
(36 to
50 lbs/ream) and uncoated. The paper should also satisfy the same conditions as
white bond paper, listed on page
19
.
· Thicker in the bottom (or top) part
of the stack
· Thicker in the right (or left) part
of the stack
: Direction of paper feed
10mm
5mm
10mm
5mm
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