Epson black inkjet cartridge, reference number T1621. The Epson range offers quality printing with clarity and glossiness using individual inks, saving you money as you only replace the colour you use. Low running costs and excellent durability are finished off with a high-gloss, premium look and feel when used with Epson photo media. For use with : Epson Workforce WF-2010W, WF-2510WF, WF-2520NF, WF-2530WF, WF-2540WF, WF-2630WF, WF-2650DWF, WF-2660DWF, WF-2750DWF and WF-2760DWF printers.