This genuine HP 3JA31AE cartridge contains 68.72ml of black ink, making it great for running any compatible printers for a reasonable price. As an original Hewlett Packard ink cartridge, you can expect nothing but premium results from the HP 967XL ink cartridge for an estimated 3,000 prints. Hewlett Packard fully guarantee the 967XL in the rare instance that you experience any issues, so your purchase of this high capacity black ink cartridge remains totally risk free.