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Xerox Nuvera Paper Guide
2-4
Managing your paper supply
NOTE: If there is a large amount of foot traffic in the paper storage
room, the environmental control system may not be able to
maintain the proper humidity level. Periodically check the humidity
with an accurate humidity measuring device and adjust it up or
down as needed.
• If an air conditioned room is not available, choose an area that
is protected from extreme temperatures and humidity. Never
store paper in temperatures below 50°F (10°C) or above 90°F
(32°C). Relative humidity should never be below 15% or
above 85%.
• Maintain print room relative humidity between 15 and 85%.
• Coated and specialty stocks are more sensitive to moisture
than uncoated papers and should not be stored or used in
environments exceeding 65% relative humidity, if at all
possible.
• Leave reams and cartons unopened until you are ready to load
the paper into the press. Ream wrappers and cartons are
designed to protect paper from moisture. Ream wrappers
have an internal moisture barrier that guards against moisture
exchange. Once the wrapper is opened, the protective barrier
is gone.
• If paper edges appear wavy or tight, return the paper to the
supplier, or try changing the humidity in small increments (5 to
10%) and allowing the paper to rest in small stacks for several
hours between changes.
Figure 2-1. Wavy and tight edges
• Follow any special instructions given by the paper mill or
vendor.
• If you must use paper from an open, unsealed ream, take
sheets from the center of the ream.
• Place opened paper in plastic bags or moisture-proof
containers.
Using storage bags for unused paper
Paper that has been unwrapped and not used, such as paper left
over at the end of a shift, should be repackaged or protected with
a moisture proof wrapper or plastic bag.
To help protect unwrapped paper, three storage bag kits are
available for purchase from Xerox.
• Small bag kit - 20 small size plastic bags and instructions for
storing 8.5 x 11 inch (A4) and 8.5 x 14 inch stocks.