The smudge- and fade-resistant DURABrite Ultra ink in these Epson 126 T126120-BCS ink cartridges ensures that your pages will feature clear, bold text and vibrant colors. The high-yield design lets you print more between cartridge changes. Compatible with select Epson printers: Stylus NX 330, NX 430, Workforce WF 3520, WF 3530, WF 3540, WF 435, WF 520, WF 545, WF 60, WF 630, WF 633, WF 635 and WF 645, WF 7010, WF 7510, WF 7520, WF 840 and WF 845.