Consumables in your printer will need to be replaced from time to time, and the drum is no exception. Help ensure that your Oki machine continues to perform as it always has done by replacing the laser drum with a genuine Oki replacement. This laser drum is compatible with B930 machines and will last for up to 60,000 printed pages. Once installed, the drum is easily maintained and will produce high quality print, fax and copying from the first to the last.