Toner cartridge with new MICR toner is designed for use with Lexmark B2442, B2546, B2650, MB2442, MB2546 & MB2650. Standard-yield cartridge contains magnetic image character-recognition ink for security purposes in printing checks. It uses special MICR toner developed & tested specifically for each model printer, retaining the original components & keeping the OEM factory seal intact. Cartridge yields approximately 6,000 pages.