A vital component for your OKI printer the Original OKI 43979002 Black Imaging Drum Unit plays an integral part of the printing process, running separately from your higher consumption cartridges. The 43979002 will provide you with a reliable user friendly operation, designed for busy working environments. With consistent sharp, clear professional results the 43979002 black toner cartridge is value for money with a page yield of 25,000 (based on 5% page coverage) and VAT and delivery included in the price.