Brother DR830 Drum Unit – Compatible Replacement | Castle InkThe Brother DR830 compatible drum unit is a high quality replacement for the original Brother DR830 drum used in many Brother HL L and MFC L series laser printers. If your printer is showing a Replace Drum message, streaking pages, faded printing, or repeated toner smudges, the drum not the toner is usually the problem. This drum unit works alongside the Brother TN830 and TN830XL toner cartridges. While toner provides the ink powder, the drum unit