This high capacity genuine Epson T6031 cartridge is filled with an incredible 220ml of photo black ink to offer users an enhanced page yield. It offers twice the amount of ink as the standard capacity Epson T6021, offering a much lower cost per page. With a genuine Epson C13T563100 ink cartridge in your printer, you can rest assured of the highest print quality available and unparalleled reliability. Each of these original Epson T5631 ink cartridges is guaranteed to be compatible with the Epson Stylus Pro 7800 and all other compatible printers.