HP 9120 HP Officejet 9100 - User Guide - Page 49

Guidelines for storing media, environment. This can cause such things as streaks, smudging

Page 49 highlights

Guidelines for storing media Use the following guidelines to ensure optimum all-in-one performance and to avoid problems that are caused by improperly stored media (such as jams and poor-quality printing). z Store media in an environment that is at or near room temperature. The air should not be too dry or too humid. • An improper environment can cause media to distort, resulting in jams in the all-in-one. The required condition is 20 to 24 degrees C (68 to 75 degrees F), with a relative humidity of 45 percent to 55 percent. • Heat causes the moisture in media to evaporate, while cold causes moisture to condense on the sheets. Heating systems and air conditioners remove most of the humidity from a room. Humid weather and water coolers can cause the humidity to increase in a room. z Do not purchase more media than can be easily used in a short time (about three months). • Media stored for long periods might experience heat and moisture extremes, which can cause damage. z Do not open packages of media until the media is needed. • As media is opened and used, it loses or absorbs moisture, depending on the environment. This can cause such things as streaks, smudging, and light characters during printing. • Unopened media in sealed reams can remain stable for several months before use. • The best way to store an opened package of media is to rewrap it tightly in its moisture-proof wrapping. If the environment is subject to extremes, unwrap only the amount of media to be used during the operation of a day to prevent unwanted moisture changes. ENWW Choosing the print media 47

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ENWW
Choosing the print media
47
Guidelines for storing media
Use the following guidelines to ensure optimum all-in-one performance and to avoid problems
that are caused by improperly stored media (such as jams and poor-quality printing).
Store media in an environment that is at or near room temperature. The air should not be
too dry or too humid.
An improper environment can cause media to distort, resulting in jams in the all-in-one.
The required condition is 20 to 24 degrees C (68 to 75 degrees F), with a relative
humidity of 45 percent to 55 percent.
Heat causes the moisture in media to evaporate, while cold causes moisture to
condense on the sheets. Heating systems and air conditioners remove most of the
humidity from a room. Humid weather and water coolers can cause the humidity to
increase in a room.
Do not purchase more media than can be easily used in a short time (about three
months).
Media stored for long periods might experience heat and moisture extremes, which can
cause damage.
Do not open packages of media until the media is needed.
As media is opened and used, it loses or absorbs moisture, depending on the
environment. This can cause such things as streaks, smudging, and light characters
during printing.
Unopened media in sealed reams can remain stable for several months before use.
The best way to store an opened package of media is to rewrap it tightly in its
moisture-proof wrapping. If the environment is subject to extremes, unwrap only the
amount of media to be used during the operation of a day to prevent unwanted
moisture changes.