MTI 44574301 Compatible Okidata Laser Imaging Drum Cartridge for Oki LaserJet Printers: B411, B411d, B411dn, B431, B431d, B431dn, MB461 MFP, MB471 MFP, MB471w MFP, MB491 MFP Yield: 25,000 Pages at 5% Coverage Replaces OEM Part #s: Oki 44574301 Compatible Printers: Oki LaserJet Printers: B411, B411d, B411dn, B431, B431d, B431dn, MB461 MFP, MB471 MFP, MB471w MFP, MB491 MFP If you do not receive your product in an MTI-branded box, it is not a genuine MTI product. Let Amazon know.