This is a remanufactured/compatible HP Q7553A - Black MICR Toner Cartridge (3300 Yield). MICR is an acronym for Magnetic Ink Character Recognition. MICR Cartridges are used for printing checks. Banks read magnetic ink differently than standard ink which allows them to reliably process checks. Magnetic Ink Recognition Toner; Regular toner mixed with IRON OXIDE particles recognized by scanning devises. Mainly used for Check printing and bar coding. Built with NEW drums and NEW components that match all ABA standards (American Bankers Association). For use in: HP LaserJet m2727nf P2010 Series P2014 P2015 P2015D P2015dn P2015x printers.