Brother DR-230CL Drum Unit DR230CLThe Brother DR 230CL Drum Unit replaces and refreshes the laser printing assembly at the heart of your laser printer giving you continued crisp output that looks as good as new. Brother printers feature a separate toner cartridge and drum unit which means that they only need to be replaced when necessary. Designed for use for up to 1,400 pages. Genuine Brother consumable for reliable operation Page yield: up to 1,400 Compatible with: HL 3040CN 3070CW,