Have an edge over your competitors. The CT201937 Black Toner Cartridge for Docuprint P355d and M355df laser printers is designed to help you do just that with reliability, sharpness, higher resolution and better cost-efficiency. EA (Emulsion Aggregation)-Eco toner is a newly developed special toner that allows fusing to paper at a much lower temperature so you can save up to 20% power consumption and reduce CO2 emissions by up to 35% compared to conventional Fuji Xerox toners. EA-Eco toner is completely oil free with the sharp-melting characteristics which provide the right gloss even on different types of paper. Overall EA-Eco toner offers you this energy saving performance. With the winning combination of exceptional image quality and sharper text, original Fuji Xerox supplies take your printer to the level intended, with high-volume productivity. You get unbeatable accuracy on every business-critical document you print, with the added benefits of superior ease-of-use and renowned reliability that only come from Fuji Xerox.