Complementing the wonderful work of the original OKI black toner cartridge, this 46438004 image drum unit handles the powder with finesse. Like each of the drum units in the range, the genuine OKI 46438004 produces the best quality of print available for your four colour laser printer.This original 46438004 black imaging drum unit is compatible with the Oki C823 and every other printer mentioned on this page. It won`t be necessary, but the OKI 46438004 black drum cartridge comes fully guaranteed.