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Paper Curl
Paper curl is inherent to the laser printing processes, and occurs when paper is
subjected to heat. Paper curl tends to relax as the paper cools while resting on a flat
surface. The specification for maximum paper curl when the paper is lying flat
before print is 5 mm (0.2 inches).
Although paper curl cannot be totally eliminated, some steps can be taken to lessen
its impact, as suggested in the following table.
Possible Cause Recommended Action
Paper Path Try using the front output slot to shorten and simplify the paper path.
Paper Surface The recommended printing surface of the page is usually marked
on the end of a ream of paper by a small arrow and the phrase
“print this side first.” If the incorrect side was face up, turn the
paper over. Load paper into the Paper Input Bin with the
recommended printing surface facing the front of the printer.
Paper Storing and Handling Over time, paper assumes the characteristics of its storage
environment. (In a humid environment, paper absorbs moisture. In a
dry environment, paper loses moisture.) Paper with higher
moisture contents will tend to curl more. Evaluate the storage
conditions of the paper.
Paper Type All paper is manufactured differently (texture, moisture content,
drying processes, composition, etc.). Change the type of paper
being used and re-evaluate the paper if curl results.
Table 7-6 Paper Curl Troubleshooting
7-26 Troubleshooting