WORLDS OF CARTRIDGES Remanufactured MICR Toner Cartridge Replacement for HP C3909A (09A) (MICR Black). Each product is individualy print tested and guaranteed to perform with compatible OEM fax/printer and does not void your fax/printer's warranty. FOR USE IN: HP LaserJet 5Si, 5Si MX, 5si NX, 5Si Mopier, 8000, 8000dn, 8000 mfp, 8000n, Mopier 240. YIELD: 15,000 pages (@ 5% coverage). WORLDS OF CARTRIDGES products are guaranteed to meet or exceed original OEM products in both print quality and page yield. They are primarily made in ISO 9001/14001 and STMC quality certified factories using the highest quality new and recycled components. WARRANTY: Premium 100% full lifetime guarantee. See WORLDS OF CARTRIDGES profile page for more information.