OKI B420dn Toner Cartridges

The OKI B420dn uses compatible black toner in two sizes: the standard 43979101 yields about 3,500 pages, and the high yield 43979201 yields about 7,000 pages. The 43979001 drum is rated for about 25,000 pages. All three are compatible products for this monochrome printer. The same supplies also fit the B430dn, MB400 Series, and MB460 MFP. Orders come with a 100% satisfaction guarantee.