Quantitative Image Quality analysis of Ink Jet prints can be applied in business printing, arcs printing, publisher works for the art, home, décor markets, advertising printing, digital proofing, and computer aided industrial design works. Many manufacturers of color Ink Jet printers use the term “photo quality” in estimating of IQ. It is supposed to be excellent, like photograph print quality. However, since this term is not yet defined quantitatively, it may cause misunderstandings and manipulations during evaluation of print quality.This paper describes quantitative method of analysis of quality of In Jet prints and contains a proposal of comparison a quality of color prints to quality of photo and to human vision. Algorithms of quantitative method of comparison, analysis and measurement of IQ are described.