The Original OKI 43449016 Black Drum Unit plays a vital role in keeping your prints clean and speck free. The purpose of the Genuine 43449016 Drum Unit is to accurately place toner powder from the Cartridge, onto the page, helping your Printer produce laser sharp, high resolution prints for the life of the Cartridge.The Original OKI 43449016 Black Drum Unit boasts an impressive page yield of 20,000 pages (based on a 5% coverage). As this 43449016 is a brand new OKI product you can expect guaranteed compatibility with your OKI C8600/C8800 Printer.