The iPF9100 printer's ink set is comprised of 12 colors: four standard process colors with Photo Cyan and Photo Magenta; plus Red, Green, Blue, Matte Black, Gray, and Photo Gray. This unique combination creates a broad color pallet and delivers exceptional print results. The iPF9100 printer's LUCIA ink is specially formulated to reduce graininess and bronzing and resist scratching and fading. Black, Matte Black, Gray and Photo Gray have been reformulated to optimize black ink density for exceptional monochrome photo-quality output. Based on the type of media being used, the iPF9100 printer automatically chooses the correct black ink to achieve the best print results