The 66S1H00 High Yield Toner Cartridge is specifically designed for Lexmark printers such as the MS531, MS531dw, and MX532 series. This black toner cartridge has a high page yield of 28,400 and is compatible with various Lexmark models. With a special high-yield feature, this unit is perfect for printing high volumes of documents and images with ease. Made in China, this printer cartridge ensures quality and reliability in every print.“Cartridge remains sealed in original black protective bag. Outer packaging opened for inspection/photos only.”