Epson T017402 Inkjet Cartridge Black Twin Pack to fit Stylus colour 680 Black/680T. Page Yield 600 each Cartridge. If you want an inkjet cartridge that will meet and exceed all of your expectations, this twin pack of Epson black cartridges for the Stylus Colour 680 is perfect. Epson is an expert when it comes to creating ink that is designed to get the best out of their printers, giving you results that compatible cartridges cannot. With sharp, clear lines, you can be sure that your prints have high definition that makes text easily legible and images crisp.