Amsahr Remanufactured Toner Cartridge Replacement for HP Q6511X (Black) Engineered and Manufactured Under European Standard ISO 9001 Guaranteed Superior Quality Meets or Exceeds High Priced OEM Products 12000 Page yield, One Year Warranty, 100% Satisfaction Guaranteed High Yield New Remanufactured Replacement Drums with Superior Quality of Sharp Printing Performance Protective Retail Packaging, Each Drum is Sealed Individually