Oki 4464012 laser drum black for use in C810/830 printers. Approximate page yield 20,000. In order to keep your printer working at its absolute best, you need to make sure that every single component is of the highest quality. Oki understands this and they create products with an accordingly high quality, allowing you to be certain of eye-catching, clear prints. With easy installation into your machine, the OKI C801 Black Laser Image Drum is a perfect product for everybody, allowing you to get the best level of results straight out of the box.