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APPENDIX
A–9
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Acid Paper and Neutralized Paper
Paper can be classified as either acid paper or neutralized paper.
Modern methods for making paper started with acid paper, but neutralized
paper is taking the place of acid paper because of environmental or
preservation issues.
However, many forms of acid paper can be found in recycled paper. We
recommend that you use neutralized paper for this printer.
You can use an acid paper check pen to distinguish acid paper from neutral
paper.
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Print Surface
The characteristics may differ a little between the face side and reverse side
of a sheet of paper.
Usually, the opening side of the ream of paper package is the print side.
Follow any indication of the print side on the paper package. Typically, the
paper side is indicated with an arrow.
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Moisture Content
Moisture content is the amount of water left in the paper after it has been
made. It is one of the important characteristics of the paper. This can
change greatly depending on where the paper is stored, although usually
paper is 5% water by weight. Because paper often absorbs water, the
amount of water can sometimes be about 10% in a high humidity
environment. When the amount of water increases, the characteristic of the
paper changes greatly. The fixing of the toner may become worse. For
storing of the paper and during use, we recommend that the humidity of the
surrounding environment is between 50% and 60%.