Aimed at small to medium workgroups, the genuine high capacity black OKI 45439002 toner cartridge is designed to increase productivity by providing fast print speeds and efficient warm-up times. The genuine OKI 45439002 toner unit lowers overall printing costs because of the higher yield and the improved formulation that ensures smoother and sharper output on plain paper and specialty media. Low-melt particles in the genuine OKI 45439002 toner improves toner flow while reducing operational noise and energy consumption. You can expect approximately 36,000 pages from this genuine black OKI 45439002 toner, making it ideal for a high volume print environment.