Curl or wave
Check the media type and quality. Both high temperature
and humidity cause media to curl. See
and other media
for more information.
The media might have been in the input tray too long.
Turn over the stack of media in the tray. Also, try rotating
the media 180° in the input tray.
Open the straight-through output door and try printing
straight through. See
Straight-through output path
The fuser temperature might be too high. In your printer
driver, make sure the appropriate media type is selected.
If the problem persists, select a media type that uses a
lower fuser temperature, such as transparencies or light