HI-VISION HI-YIELDS Compatible Toner Cartridge Replacement for HP CE310A Premium Quality Replacement Cartridge is made by ISO9001 Certified Factory to Meet OEM Standards 180 Days Money Back Guarantee 1 Year Manufacturer Warranty Against Product Defect Black: Up to 1,200 Pages at 5% Coverage; Color: Up to 1,000 Pages at 5% Coverage 2 Black, 1 Cyan, 1 Yellow, 1 Magenta