Epson black inkjet cartridge, reference number T2421. 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 Expression Photo XP-55, XP-750, XP-760, XP-850, XP-860, XP-950 and XP-960 printers.