MTI TROY 02-81080-001 Compatible MICR Cartridge for TROY & HP LaserJet 1200, 1220, 3300 If you do not receive your product in an MTI-branded box, it is not a genuine MTI product. Let Amazon know. Designed for HP LaserJet 1000, 1005, 1200, 1220, 3300, 3310, 3320, 3330, 3380 High Yield: 3,500 | Magnetic Toner for Check Printing OEM Part #: HP C7115X / Troy 02-81080-001