Speedy Inks - Generic Remanufactured Ink Cartridge for Epson 126 Cartridges, Set of 4: 1 each of T126120 Black, T126220 Cyan, T126320 Magenta, T126420 Yellow For use in: Stylus NX330, NX430, WorkForce WF-3520, WF-3530, WF-3540, WF-7010, WF-7510, WF-7520, 60, 435, 520, 545, 630, 633, 635, 645, 840, 845 Page Yield: Black: 385 & Colors: 470 | Color: Black, Cyan, Magenta & Yellow Shelf Life: 12-18 Months The use of aftermarket replacement cartridges and supplies does not void your printer's warranty