For high-quality, laser-like text and graphic printing use the Epson Pen & Crossword T1621 Black Ink Cartridge.Its quick drying ink formula which is water and smudge resistant makes for perfect printing every time. One ink cartridge will produce a yield of approximately 165 pages depending on what you are printing.Epson's Pen & Crossword T1621 Black Ink Cartridge is compatible with Epson printers WF-2010W, WF-2510WF, WF-2520NF, WF-2530WF and WF-2540WF.For high impact colour materials on glossy media, why not try the Epson Pen & Crossword T1621 Black Ink Cartridge.