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General tips
Paper curl
Paper curl results from both the heating process used to bond the print
image (toner) to the media and from the path that the media must
negotiate through the printer.
Take the following actions to help reduce paper curl:
1 Turn the media over in the input tray. Some media packages
(reams) have an arrow indicating the preferred printing side.
Experiment to determine which orientation yields the least curl.
2 Try a different output paper path (if available for your printer). Using
the “face-up” output path might yield more acceptable results than
the standard “face-down” output bin.
3 Protect the media from adverse environmental conditions prior to
use. Media designed for laser printing has an initial moisture content
of 4 to 6 percent, which is maintained as long as it is stored properly.
After the media has been removed from its packaging, it will dry out
or absorb additional moisture, depending on the environment.
Excess moisture in the media will increase the amount of curl.
4 Try a different type or brand of media. Not all media is designed for
laser printing.
Much of the paper curl that is induced by the laser printer fusing
process will tend to relax within the first 24 hours following printing.
However, the curl on the leading edge of the page might remain longer
because the leading edge tends to remain in contact with the fusing
roller for longer periods.