The Image Master USA Premium Replacement Cartridge 60F1H00 Lexmark /part # MLX511+ is a high-yield black toner cartridge designed for Lexmark printers. This product is specifically compatible with Lexmark MX510/MX511/MX610/MX611 MFP Series and Lexmark MX310/MX410 MFP Series. With a print technology of laser, this cartridge ensures crisp and clear black prints. Made in the United States, this Lexmark cartridge is a reliable and efficient choice for your printing needs.