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Installing YUPO® |
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Be sure to bring your unopened packages
of YUPO® into the same atmosphere as the printing room
24 hours before printing. In cold months, it is recommended
to do this 48 hours before printing. (This allows the
temperature of the YUPO® to rise to the printing room
temperature.)
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| The purpose of this is to prevent condensation
(a sweating phenomenon on the surface of
YUPO® sheets) that occurs when cold YUPO®
sheets are suddenly moved into a warm printing
room. When YUPO® has condensation it can
cause problems such as feeder malfunctions
and ink transfer defects. |
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Opening YUPO® Packages |
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The YUPO® sheets next to the two chipboards
on the top and bottom of each package are often affected
by curling, so please remove these. In each package
of YUPO® there are two sheets more than the number of
sheets indicated on the package label. Once opened,
a YUPO® package should always be stored flat.
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| If YUPO® sheets are stored in a bent condition,
the sheets will suffer from curling and
will not become flat again. Be sure to store
YUPO® with the edges aligned and no unevenness. |
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Paper Stacking |
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Be sure to ventilate sheets adequately
before printing then stack the sheets in the feeder.
If sheets are stacked the day before, the air between
the sheets may be squeezed out and this may result in
feeding problems. (For FGS130, up to around 5,000 sheets
can be stacked.) |
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Paper Folding |
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Never fold YUPO® sheets during stacking.
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| Once folded, the fold in the paper cannot
be removed, which can cause rear side problems. |
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Optimal conditions
may be set as follows:
| Room temperature |
20~25°C |
Humidity |
50~70%RH |
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- If the humidity in the room is too low (40%
or lower), problems may be caused by static
electricity. (Examples include paper feeding
problems, misalignment of paper, adherence
of dust/paper dust etc.)
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