Remanufactured T812XL420 Inkjet Cartridge - High Yield Yellow. For use with Epson WorkForce Pro WF-7820/7840, EC-C7000 and more Epson printers. This is the XL (high yield) equivalent cartridge. Also replaces standard yield Epson T812 inks. Besides the exceptional printing quality, this Epson T812XL Remanufactured inkjet cartridge offers you a substantial economical alternative to buying expensive OEM (Genuine) Epson inkjet cartridges.