Our cartridges are 100% compatible with any printer – Hewlett Packard, Canon, Epson, Lexmark, Brother, and more. Our toners are 100% compatible with any copier – from Canon to Xerox. All our ink is manufactured in the United States and has nearly double the pigment of the national brands! Our print cartridges and copier toners are manufactured with state-of-the-art technology and premium grade components, such as ultra-fine particle toner that is performance matched to the imaging drum to ensure complete compatibility from start to finish, All of our products come with an unconditional 100% satisfaction guarantee, too! If for any reason our products do not meet your expectations, we want to hear about it and make it right! We stand by the products we sell and encourage customer feedback via our website, phone or fax.