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Paper Handling > Available Paper Size and Type
Choosing the Appropriate Paper
This section describes guidelines for choosing paper.
Condition
Avoid using paper with bent corners or that is curled, dirty, or torn. Do not use paper that has a rough surface or paper
fiber lint, or that is especially delicate. Use of paper in any of these conditions will not only deliver poor copies but may
also cause jams and shorten the useful life of the machine. Choose paper with a smooth and even surface; however,
avoid coated paper or paper with a treated surface as it may damage the drum or fusing unit.
Ingredients
Be sure to use the standard paper that contains at least 80% pulp, i.e., not more than 20% of the total paper content
consists of cotton or other fibers.
Smoothness
The paper surface should be smooth, but it must be uncoated. With paper that is too smooth and slippery, several
sheets may accidentally be supplied at once, causing jams.
Basis Weight
In countries that use the metric system, basis weight is the weight in grams of one sheet of paper one square meter in
area. In the United States, basis weight is the weight in pounds of one ream (500 sheets) of paper cut to the standard
size (or trade size) for a specific grade of paper. Paper that is too heavy or too light may be supplied incorrectly or cause
paper jams, which may cause excessive wear of the machine. If you print at once on multiple sheets of paper of
nonuniform weight (which means nonuniform thickness), ink discharge problems may cause the output to be unclear or
otherwise create print quality problems.
Moisture Content
Paper moisture content is the ratio of moisture to dryness expressed as a percentage. Moisture affects how the paper is
supplied, the electrostatic chargeability of the paper, and how the ink adheres.
Paper moisture content varies depending on the relative humidity in the room. When the humidity is high and the paper
becomes too moist, the edges of the paper may expand and curl or form a wave-like shape. If the humidity is too low and
the paper becomes extremely dry, the edges of the paper may shrink and curl into a tight edge state, and the print
contrast may be faint.
If you attempt to use paper with a wave edge or tight edge, the paper may not adhere to the feeding belt and slip out of
place, and a paper jam may result. Try to keep the moisture content between 4 to 6%.
To maintain the right level of moisture content, bear in mind the following considerations.
• Store paper in a cool, well-ventilated place.
• Store paper flat and unopened in the package. Once the package is opened, reseal it if the paper is not to be used for
a while.
• Store paper sealed in the original package and box. Put a pallet under the carton to keep it raised above the floor.
Especially during rainy seasons keep the paper a sufficient distance away from wooden or concrete floors.
• Before using paper that has been stored, keep it at the proper moisture level for at least 48 hours.
• Do not store paper where it is exposed to heat, sunlight, or dampness.
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