The Original OKI 43449013 Yellow Drum Unit plays a vital role in keeping your prints clean and speck free.The purpose of the Genuine 43449013 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 43449013 Yellow Drum Unit boasts an impressive page yield of 20,000 pages (based on a 5% coverage). As this 43449013 is a brand new OKI product you can expect guaranteed compatibility with your OKI C8600/C8800 Printer.