Compatible HP 301XL Black CH563EE, which comes with a 2 Year Warranty and is compatible with the following machines: Deskjet 1000, Deskjet 1050, Deskjet 1050A, Deskjet 2050, Deskjet 2510, Deskjet 3000, Deskjet 3050, Deskjet 3050A, Deskjet 3055A. With a Yield of 330