When the paper comes into contact with the cooling belt and the toner's surface temperature is 95°C (203°F) or higher, uneven glossiness may occur.
This may occur if:
Coated paper is used
Paper with paper weight 4 or 5 is used
Printing is done at high temperature or humidity
Printing solid fills
Printing on the first sheet of paper
To adjust the following settings, pre-register the type of paper in use as a custom paper. For details about registering custom papers, see "Registering a Custom Paper", Paper Settings.