Laser Tek Services Remanufactured Toner Cartridge Replacement for HP C8543X ( Black , 1-Pack ) Package contains 1 Black C8543X (43X) high yield compatible replacement cartridge For use in the following Printer models: HP LaserJet 9040dn, LaserJet 9040, LaserJet 9050dn, LaserJet 9050, LaserJet 9050mfp, LaserJet 9000n, LaserJet 9000hnf, LaserJet 9040n, LaserJet 9050n, LaserJet 9040mfp, LaserJet 9000 Page Yield: 30,000 @ 5% page coverage Product Comes with a 1 year 100% Satisfaction Guarantee! Laser Tek Services offers free technical support for any questions you may have. Manufactured by ISO and STMC certified facility.| The Use of Laser Tek Services compatible products will not void your printers warranty.