Toner cartridge with new MICR toner is designed for use with HP LaserJet Enterprise M607dn, M607n, M608dn,M608n, M608x, M609dn, M609x; Enterprise Flow MFP M631h; Enterprise MFP M631z, M632fht, M632h and M633fh. Standard-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 11,000 pages.