The HP 81A | CF281A Black Toner Cartridge is designed to work with HP printer for high quality, reliable results every print. HP 81A toner is essential for your data and it relents around 2700 pages, though exact output can be depend the type of printing. Integrated smart chip helps monitor toner levels and ensures optimal print quality by communicating with your printer. It gives best value and convenience for frequent printers. It offers an excellent balance of quality and efficiency. This high yield toner cartridge delivers sharp, black text and consistent designed with environmental responsibility.