Hi MaggieDawg, Epson 126 cartridges work with WorkForce WF-3520, WorkForce 60, WorkForce 435, WorkForce 545, WorkForce WF-7520, WorkForce 520, WorkForce 633, WorkForce 840, WorkForce WF-7510, WorkForce 635, WorkForce WF-3540, WorkForce WF-7010, WorkForce 630, Stylus NX330, Epson WorkForce 645, WorkForce 845, and Stylus NX430 printers. Regards, Mark - The Epson Team.