Xerox Genuine WorkCentre® 7500 Series/7800 Series/7800i Series/7970i/EC7800 Series, WorkCentre™ 7970 Black Toner Cartridge is specially formulated and tested to provide the best image quality and most reliable printing you can count on page after page. Xerox Genuine Supplies and Xerox equipment are made for each other. Accept no imitations. Compatible toners may risk breakdown of Xerox printers and result in poor print quality and weak colors. With over 75 years' experience, Genuine Xerox Supplies are something you can rely on.Xerox Genuine WorkCentre® 7500 Series/7800 Series/7800i Series/7970i/EC7800 Series, WorkCentre™ 7970 Black Toner Cartridge is specially formulated and tested to provide the best image quality and most reliable printing you can count on page after page. Xerox Genuine Supplies and Xerox equipment are made for each other. Accept no imitations. Compatible toners may risk breakdown of Xerox printers and result in poor print quality and weak colors. With over 75 years' experience, Genuine Xerox Supplies are something you can rely on.