A method of printing comprising the steps of marking the surface of a test preprinted media with a first marking material; placing the media adjacent to a transfer media; disposing the test media and the transfer media into the nip of a fuser roller assembly to thereby apply predetermined heat and pressure thereto; removing the test media and the transfer media from the nip of the fuser roller after a predetermined time; and, measuring the density of the first marking material which has been offset to the transfer media.