Remanufactured Black High yield Toner, Replacement For 83x (cf283x), 2,000 Page yield Disposable Serving Tray Leaves behind a protective barrier Workspace by Alera® Leaves behind a protective barrier against re soiling this refill can use fragrance up to 33% more efficiently than traditional 30 day systems These toner cartridges are remanufactured in ISO 9001:2008 certified facilities using the highest quality chemical toners and components to ensure they meet or exceed national brand page yield and print performance—guaranteed Innovera® remanufactured high yield monochrome laser print cartridges are the perfect solution for high volume print environments