Verbatim Remanufactured Toner Cartridge Replacement for HP Q5942X (Black) Utilizes Mitsubishi components and technology, and guarantees performance equal to the OEM in page Yield, Print quality and resolution; High quality, crisp text resolution, page after page; Print tested for quality Prior to packaging. Page Yield: 20,000** Yields are based on a 5% area coverage Compatible Hardware: HP LaserJet 4250, 4350 Series High quality, crisp text resolution, page after page Print tested for quality prior to packaging Limited Lifetime Warranty and protection against printer damage