As this Original HP 126A (CE310A) Black Toner Cartridge is a brand new unused Cartridge you can enjoy hassle free, reliable printing for the life of the Cartridge, eliminating the need for reprints and increasing workflow. The Genuine CE310A Toner Cartridge has been designed, manufactured and tested by Hewlett Packard by using Genuine HP parts, to ensure the highest quality possible. The Original Black HP126A (CE310A) Toner Cartridge is compatible with a wide range of HP Printers, a complete list of compatible Printers can be found on this page. The Original CE310A is ideal for use in the home or small office as it holds enough powder to produce up to 1,200 pages (based on a 5% coverage).