If you are having issues with print results, check the following:
The machine's environment.
Choose a location where the temperature remains between 10 °C and 32.5°C (50°F and 90°F) and humidity is between 20% to 80% (without condensation).
(Windows)
Try changing the Print Settings in Basic tab.
If the paper is curled or the toner is not fixed well on the paper, you can adjust these settings in Improve Print Output. Click Other Print Options in the Advanced tab.
(Macintosh)
Try changing the Graphics Quality in Advanced triangle of Print Settings.
If the paper is curled or the toner is not fixed well on the paper, you can adjust these settings in Improve Print Output.