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.Compatible Printers: HP Color LaserJet 3500 Series, HP Color LaserJet 3700 Series, HP Color LaserJet 3550, HP Color LaserJet 3700, HP Color LaserJet 3500 N, HP Color LaserJet 3700 DTN, HP Color LaserJet 3700 DN, HP Color LaserJet 3550 N, HP Color LaserJet 3700 N, HP Color LaserJet 3500