Cause:

Fingerprint-shaped white spots appear due to the oil on the finger sticking to the paper when touching it.

This may occur in the following occasions.

  • When printing black half-tone images

  • When printing at low temperature and humidity

Note

  • To adjust the following settings, pre-register the type of paper in use as a custom paper. For details about registering custom papers, see "Specifying a Custom Paper", Preparation.