Verbatim Remanufactured Toner Cartridge Replacement for HP Q1338A (Black) Printing technology: laser Printing color: black Duty cycle: up to 12000 pages at 5% coverage Page Yield: 12,000** Yields are based on a 5% area coverage Compatible Hardware: LaserJet 4200 Series High quality, crisp text resolution, page after page Print tested for quality prior to packaging Limited Lifetime Warranty and protection against printer damage