Specifications Product Name: Epson 126 Remanufactured Ink Cartridge. Ink Type: Pigment Based ink for black cartridge. Dye based ink for color cartridges Page Yield: Black is 740 pages per cartridge. Tri-color is 480 pages per color. Compatible With Stylus NX330, Stylus NX430, Workforce 60, Workforce 435, Workforce 520, Workforce 545, Workforce 630, Workforce 633, Workforce 635, Workforce 645, Workforce 840, Workforce 845, Workforce WF-3520, Workforce WF-3530, Workforce WF-3540, Workforce WF-7010, Workforce WF-7510, Workforce WF-7520 Works with ALL Epson printers that use 126 ink cartridges.