This HP C9721A Compatible Cyan Toner Cartridge is a high quality compatible cartridge. The C9721A compatible toner prints high quality black and white prints whilst saving money and helping the environment in the process. The compatible C9721aA toner prints quality colour images and documents with all types of prints. This HP C9721A Compatible Cyan Toner Cartridge prints approx 8000 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 4650dn, Colour LaserJet 4650hdn, Colour LaserJet 4650n,LaserJet 4650DTN