The Lexmark 12A6735 Black High Yield Print Cartridge T520/X520 is a genuine/original unit specifically designed for Lexmark printers. Black color cartridge and high yield capacity, this print cartridge is compatible with Lexmark models and is brand new, unopened for optimal performance. Ideal for users looking for reliable and consistent printing results, this Lexmark print cartridge is a reliable choice for producing high-quality prints efficiently. T520, T522, X520 and X522