Renewable Toner Compatible Laser Imaging Drum Replacement Okidata 44574301 for Oki Laser B411 B411d B411dn B431 B431d B431dn MB461 MB471 MB471w MB491 MFP Lifetime warranty. We only guarantee products ordered directly from Renewable Toner Replaces OEM Part #s: Okidata 44574301 Yield: 25,000 Standard Pages at 5% Coverage Compatible Printers: Oki LaserJet Printers: B411, B411d, B411dn, B431, B431d, B431dn, MB461 MFP, MB471 MFP, MB471w MFP, MB491 MFP