Toner cartridge with new MICR toner is designed for use with HP LaserJet Enterprise M608, M609; Enterprise MFP M631, M632 and M633. High-yield cartridge contains magnetic image character-recognition ink for security purposes in printing checks. It uses special MICR toner developed and tested specifically for each model printer, retaining the original components and keeping the OEM factory seal intact. Cartridge yields approximately 25,000 pages.Toner cartridge with new MICR toner is designed for use with HP LaserJet Enterprise M608, M609; Enterprise MFP M631, M632 and M633. High-yield cartridge contains magnetic image character-recognition ink for security purposes in printing checks. It uses special MICR toner developed and tested specifically for each model printer, retaining the original components and keeping the OEM factory seal intact. Cartridge yields approximately 25,000 pages.