The Brother Genuine OEM DR-400 Black Drum Unit is a high-quality product designed for use with select Brother printers. This drum unit is specifically designed for laser print technology, ensuring crisp and professional-looking black prints. With a factory-sealed package, you can trust that this unit is brand new and ready to use. Compatible with various Brother printer models, this DR-400 unit is an essential component for maintaining the performance and efficiency of your printing system.