This genuine Hewlett Packard C2P23AE is the high capacity black ink cartridge available for use in the HP Officejet Pro 6230 ePrinter and all other compatible printers. Designed to offer users an estimated 1,000 prints the HP 934XL gives the lowest price per page of all original black cartridges in this range. As an original ink cartridge you can be assured of receiving exceptionally high quality Hewlett Packard prints from the moment the C2P23AE is installed. As this cartridge has been tailor made by the printers manufacturer to the exact specs required you also benefit from unrivaled compatibility with your printer.