Speedy Inks Compatible Laser Drum Unit Replacement for Okidata 43979001 (Black) For Use in Okidata MB460, MB470, MB480 MFP, B410, B410dn, B420dn, B430d, B430dn Page Yield 25,000 100% Quality Satisfaction Guarantee Color: Black Drum The use of aftermarket replacement cartridges and supplies does not void your printer's warranty