Designed primarily to work in perfect harmony with your machine, HP's top of the range dye-based inks combine printhead, printhead cleaner and ink cartridge to produce rich, vibrant images and sharp, clear text on a consistent basis. Simple and yet effective, this toner is classic in HP terms. A world leader in ink technology, HP have developed over 100 new inks in the last twenty years but this yellow cartridge pack stands out from the crowd.