10 Specifications10-10 Xerox PE220• Paper should be stored at or near room temperature.• The air should not be too dry or too humid.• The best way to store an opened ream of paper is to rewrap it tightly in itsmoisture-proof wrapping. If the machine environment is subject toextremes, unwrap only the amount of paper to be used during the day’soperation to prevent unwanted moisture changes.EnvelopesEnvelope construction is critical. Envelope fold lines can vary considerably,not only between manufacturers, but also within a box from the samemanufacturer. Successful printing on envelopes depends upon the quality ofthe envelopes. When selecting envelopes, consider the followingcomponents:• Weight: The weight of the envelope paper should not exceed 20 lb (75 g/m 2) or jamming may occur.• Construction: Prior to printing, envelopes should lie flat with less than 0.25inches (6 mm) curl, and should not contain air.• Condition: Envelopes should not be wrinkled, nicked or otherwisedamaged.• Temperature: You should use envelopes that are compatible with the heatand pressure of the machine.• Size: You should only use envelopes within the following size ranges.NOTE:• Load only one envelope at a time to print envelopes.• You may experience some paper jams when using any media with alength less than 5.5 in. (140 mm). This may be caused by paper that hasbeen affected by environmental conditions. For optimum performance,make sure you are storing and handling the paper correctly. Please referto Paper Storage Environment on page 10-9..Envelopes with Double Side SeamsDouble side-seams construction has vertical seams at both ends of theenvelope rather than diagonal seams. This style may be more likely to wrinkle.Minimum Maximum3 x 5 in.(76 x 127 mm)8.5 x 14 in.(216 x 356 mm)
