LD Remanufactured Ink Cartridge Replacement for Epson 126 (2 Cyan, 2 Magenta, 2 Yellow, 6-Pack) Great Print Quality Shelf Life: 12-18 Months All LD branded products are backed by a 100% satisfaction and LIFETIME guarantee The ink monitoring chip on our remanufactured Epson cartridges are the original chips which have been reset to provide accurate ink monitoring. For use in the following printers: WorkForce WF-3540 All-in-One WF-3520 All-in-One 520 435 645 545 845 630 635 840 WF-7520 WF-7010 WF-7510 633 60 Stylus NX430 NX330 Small-in-One.