TROY #02-82041-001 - Black Secure MICR Toner genuine
(37x MICR) HP LaserJet Enterprise flow MFP M631h, M632z, M633z and Enterprise M608, M609, M631, M632, M633 series laser printers - High Yield Black MICR toner Cartridge for printing checks (approx. 25,000 page yield) (does not work in M607 model). The patented security agent forces a bright red stain to permeate through the document if chemical alteration is attempted.