The Lexmark T640 Hi-Yield Cartridge Black Compatible Laser Cartridge are replacement laser cartridges that are similar to the original and meets our stringent quality standards. The factory replaces all worn parts including the OPC drum, rollers, toner, seal, and chips (when applicable). Our Compatible Lexmark T640 Toner Cartridge Black carries a 1-year warranty and ensures high quality prints every time.
