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.HP LaserJet supplies and the printer use an improved electro-photographic process to maintain accurate color even in extreme conditions. Advanced toner formulas deliver a broad range of vibrant colors and sharp text for professional results. HP Color LaserJet supplies and the printer are designed together. This cost-effective printing system provides reliable, efficient operation that minimizes user intervention and maintenance - saving time and improving productivity. HP supplies are part of a printing system designed for efficient, timely maintenance and easy installation - no manual required.