OKI B4600n Toner Cartridges

The OKI B4600n uses two compatible black toners: the standard 43502301, rated at about 3,000 pages, and the high yield 43502001, rated at about 7,000 pages. A compatible drum, 43501901, is rated at about 25,000 pages. The same supplies also fit the OKI B4550, B4550n and B4600.