Patent ID: 8794752

Claim:
An inkjet printer for printing an image on a medium, the inkjet printer comprising: an inkjet head for discharging each of a plurality of visible color inks onto a medium and discharging at least one fluorescent ink onto only portions of the medium when printing an image onto the medium, such that at least a first visible color ink of the plurality of visible color inks is discharged onto the portions of the medium onto which the at least one fluorescent ink is discharged, and at least a second visible color ink of the plurality of visible color inks is not discharged onto the portions of the medium onto which the at least one fluorescent ink is discharged, wherein the plurality of visible color inks reflect light at respective wavelength ranges of the visible color inks, and wherein the at least one fluorescent ink reflects light at a wavelength range that is the same as a wavelength range of the at least a first visible color ink of the plurality of visible color inks.