Truer, non-simulated grays & richer blacks enhance your black & white photos. Provides smooth, crisp shades adds dramatic tone & texture; & brings great detail to shadows for striking photos. Easy to use & the advanced inkjet cartridge technology ensures excellent results you can rely on. The dyes in HP inks feature a proprietary chemical structure that fortifies them at the molecular level to better withstand the negative affects of light & pollutants, as well as stabilize the dye molecules so they stay vivid for generations. Device Types: Inkjet Printer; Color(s): Blue; Page-Yield: 340; Supply Type: Photo Ink.