This HP C9720A Compatible Black Toner Cartridge is a high quality compatible cartridge. The C9720A compatible toner prints high quality black and white prints whilst saving money and helping the environment in the process. The compatible C9720A toner prints quality black and white images and documents with all types of prints. This HP C9720A Compatible Black Toner Cartridge prints approx 9000 pages at 5% average coverage. Colour LaserJet 4600,Colour LaserJet 4600dn, Colour LaserJet 4600dtn, Colour LaserJet 4600hdn, Colour LaserJet 4600n,Colour LaserJet 4610,Colour LaserJet 4610n,Colour LaserJet 4650,Colour LaserJet 4650dn, Colour LaserJet 4650hdn, Colour LaserJet 4650n,LaserJet 4650DTN