Renewable Toner Okidata 43979201 Compatible Laser Toner Cartridge Black for Oki B420dn B430dn B440dn MB460 MFP MB470 MFP Printers Lifetime Warranty. We only guarantee products ordered directly from Renewable Toner. Yield: 7,000 Standard Pages Color: black Replaces OEM Part #: Okidata 43979201 Compatible Oki Printers: B420dn, B430dn, B440dn, MB460 MFP, MB470 MFP