This high capacity genuine Epson T603C cartridge is filled with an incredible 220ml of bright magenta ink to offer users an enhanced page yield. It offers twice the amount of ink as the standard capacity Epson T602C, offering a much lower cost per page.With a genuine Epson C13T603C00 ink cartridge in your printer, you can rest assured of the highest print quality available and unparalleled reliability. Each of these original Epson T603C is guaranteed to be compatible with the Epson Stylus Pro 7800 and all other compatible printers.