Use the Oki 43501902 black drum to restore the quality of your monochrome output. If your print quality has started to deteriorate as a result of an ineffective drum unit, this replacement black Oki 43501902 drum is the perfect solution. The Oki 43501902 black drum can revive the quality of text documents and greyscale images. Don’t worry about installing the Oki 43501902 image drum. It is very easy to integrate into your laser printer as it is an original product. The black Oki 43501902 drum works independently of the black toner cartridge and is more durable than the toner, offering a life expectancy of approximately 25,000 pages.