Premium, MICR replacement toner cartridge is designed to be a true quality alternative to the OEM while offering significant savings. Toner contains magnetic image character-recognition ink for security purposes in printing checks. It is designed for use in your HP LaserJet Enterprise MFP M630dn, M630h and M630f; LaserJet Enterprise Flow MFP M630z; LaserJet Enterprise M605dh, M605dn, M605n, M605x, M606dn and M606x for exceptional performance. Cartridge yields approximately 25,000 pages. Elite Image is ISO certified.