Epson Ultrachrome HD is the next generation of professional-quality pigments inks. Experience amazing colour fidelity with this ink that is part of a nine-colour system that produces a wide colour gamut. All of these new inks have a high optical density and improves gradation in dark areas, meaning your images will have stunning detail when printed in both colour and black and white. Bronzing reduction allows for highly accurate colour tones All of these new inks have a high optical density and improves gradation in dark areas, meaning your images will have stunning detail when printed in both colour and black and white. Bronzing reduction allows for highly accurate colour tones.