Get the best from your C5000 series laser printer by installing a genuine OKI Black Image Drum. As you use your OKI laser printer, waste toner and wear and tear on parts can lead to reduced quality and poor output. Installing a replacement imaging unit helps to renew your printers mechanisms, leading to crisp blacks. OKI printers use a separate image drum and toner cartridge, which helps to keep costs down and save money per page. Its designed for a lifespan of up to 17,000 pages.