This HP Q2670A Compatible Black Toner Cartridge is a high quality compatible cartridge. The Q2670A compatible toner prints high quality black and white prints whilst saving money and helping the environment in the process. The compatible Q2670A toner prints quality black and white images and documents with all types of prints. This HP Q2670A Compatible Black Toner Cartridge prints approx 6000 pages at 5% average coverage. Colour LaserJet 3500,Colour LaserJet 3500n,Colour LaserJet 3550,Colour LaserJet 3550n,Colour LaserJet 3700,Colour LaserJet 3700dn, Colour LaserJet 3700dtn, Colour LaserJet 3700n