Everyday Black Toner compatible with Oki 44973536, Standard Yield, by Xerox. Comes with a lifetime warranty and is designed for optimum quality, performance, reliability, and safety. Offered at a significantly lower cost compared to cartridges from original manufactures, the Everyday Toner portfolio includes cartridges for major printer and copier brands. They meet or exceed industry standards for global safety and environmental compliance and may be returned to Xerox free of charge for recycling in an environmentally responsible way.Compatible Printers: OKI C 301 DN, OKI MC 342 DN, OKI MC 340 Series, OKI MC 332 DN, OKI MC 342 DNW, OKI C 321 DN