Amsahr One Remanufactured Replacement Toner Cartridge for HP C9720A, 4600, 4600dn (Black) Engineered and Manufactured Under European Standard ISO 9001. Guaranteed Superior Quality Meets or Exceeds High Priced OEM Products. 9000 Page yield, One Year Warranty, 100% Satisfaction Guaranteed. Standard Yield New Remanufactured Replacement Toner Cartridge with Superior Quality of Sharp Printing Performance. Protective Retail Packaging, Each Cartridge is Sealed Individually.