HP 645A Black Print Cartridge

HP LaserJet print cartridges deliver the professional quality and legendary reliability expected from HP LaserJet printing. The easy-to-use design works with your HP printer for vibrant color and cost-effective operation. High-yield HP cartridges and the printer are designed together to work together. An improved electro-photographic process adjusts automatically to ensure consistently accurate color on a variety of plain papers and HP specialty media - even in high-humidity. Smart printing system technology* provides consistent print quality over the life of the cartridge. Automatic alerts advise when toner is low. Simple installation and reliable operation improve productivity for ongoing savings. Advanced toner formulas use chemically-grown toner that enables precise control and placement. Pigment and gloss enhancements provide a wide range of colors. The result is clear to see-sharp text, vibrant color and precise images for professional reports and presentations.