The high capacity original HP 991X yellow ink cartridge gives twice as many prints as the standard capacity version also available. Thankfully, twice as many pages does not equate to twice the price in this instance, and Hewlett Packard offer the M0J98AE ink cartridge at a proportionately lower price.Each Hewlett Packard M0J98AE yellow ink cartridge comes with sufficient ink to print an estimated 16,000 pages. Whether you own the HP PageWide Pro 750dw, 772dn or 772dn, the HP 991X M0J98AE ink cartridge is the best original cartridge for your machine.