The 1 Pack Black-drum Unit DR920 is a premium toner cartridge compatible with Brother printers. With a print technology of laser, this black drum unit is specifically designed to work with Brother DR920 drums. Manufactured with a 2-year warranty, this unit includes 1 drum and ensures long-lasting and high-quality printing performance. Catered to users looking for reliable and efficient printing solutions, this compatible black-drum unit is a cost-effective choice for maintaining print quality and productivity.