This high capacity genuine Epson T603B cartridge is filled with an incredible 220ml of magenta ink to offer users an enhanced page yield. It offers twice the amount of ink as the standard capacity Epson T602B, offering a much lower cost per page. With a genuine Epson C13T603B00 ink cartridge in your printer, you can rest assured of the highest print quality available and unparalleled reliability. Each of these original Epson T603B is guaranteed to be compatible with the Epson Stylus Pro 9800 and all other compatible printers.