Print cartridge is designed for use with Hewlett-Packard Color LaserJet 3000 Series. HP LaserJet ColorSphere Toner produces a dynamic range of bright, brilliant colors. With more intense color and more subtle transitions between colors, you get bold graphics and realistic images. HP Color LaserJet print cartridges relay information to the printer to continually optimize print quality and reliability. Get brilliant print quality thats this hassle-free and easy. Black cartridge yields 6,500 pages.