A compatible Oki 43979217 black high yield toner cartridge.

For use in Oki Data B420dn, B440dn and MB480 machines.

Approximate yield is 10,000 pages.

This cartridge is designed to compare favorably with the original Oki product in every way including excellent print quality and normal cartridge life.

But don't take our word for it - try it risk-free. As with all our compatible products, they come with a "satisfied or your money back" guarantee. We don't want your money unless you're satisfied that you've received great value with no loss of print quality.