MTI - TROY 3005 High Yield Compatible MICR Toner Cartridge (Yield: 13,000) for TROY & HP LaserJet Printers: P3005 / M3027 / M3035 Series Yield: 13,000 pages | Magnetic toner for check printing OEM Part #: Troy 02-81200-001 | HP Q7551X (51X) Troy & HP Printers: P3005, P3005d, P3005n, P3005dn, P3005x, M3027 MFP, M3027x MFP, M3035 MFP, M3035xs MFP If you do not receive your product in an MTI-branded box, it is not a genuine MTI product. Let Amazon know.