Compatible with: Stylus NX330, NX430 WorkForce 435, 520, 60, 630, 633, 635, 645, 840, 845, WF-7010, WF-7510, WF-7520, WF-3520, WF-3530, WF-3540 Remanufactured Compatible Replacements Included: 1 T126120 / T126 / Epson 126 Black / High Yield Delivers 740 pages just like the original Epson 126 black compatible ink cartridges 5%-page coverage Average cartridge Page Yield* in accordance with ISO-19752. *at 5% coverage (ISO/IEC standard) Equipped with a working smart chip for easy ink level monitoring. Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.