The Original OKI Yellow 43324421 Toner Cartridge can produce professional high resolution prints, as it benefits from using OKI`s microfine Toner powder technology. The genuine 43324421 is a must for the busy office environment, as the Toner has a low melt temperature requiring less time to warm up, reducing downtime and increasing workflow.The Original OKI 43324421 Yellow Toner Cartridge boasts a healthy page yield of around 5000 pages (based on a 5% coverage) and uses OKI`s Toner management system giving you accurate levels throughout the life of the Cartridge. The Genuine 43324421 is guaranteed to work with OKI`s C5800 and C5900 Printers.