This is a remanufactured Lexmark X644H11A High Yield Black Laser Toner Cartridge guaranteed to perform with Lexmark Laser Printers. It replaces the original Lexmark X644H11A Laser Toner Cartridge. This high yield X644H11A replaces the Lexmark X644H11A, X644A11A, X644H01A, X644H21A, and X644A21A which are all compatible with the X642e, X644e, X646e, X646dte, and X646ef Series Printers. |