Speedy Inks Remanufactured Ink Cartridge Replacement for Epson T126 ( Black,Cyan,Magenta,Yellow , 9-Pack ) For use in Epson: Stylus NX330, Stylus NX430, WorkForce WF-3520, WorkForce WF-3530, WorkForce WF-3540, WorkForce WF-7010, WorkForce WF-7510, WorkForce WF-7520, WorkForce 60, WorkForce 435, WorkForce 520, WorkForce 545, WorkForce 630, WorkForce 633, WorkForce 635, WorkForce 645, WorkForce 840, & WorkForce 845 Set includes: 3 BLack T126120, 2 Cyan T126220, 2 Magenta T126320 & 2 Yellow T126420 Shelf Life: 12-18 Months The ink monitoring chip on these remanufactured Epson T126 Series cartidges are the original chip which has been reset to provide accurate ink monitoring The use of aftermarket replacement cartridges and supplies does not void your printer's warranty