Brother Industries [Genuine Brother] Drum Unit DR-21J Compatible Models: HL-2170W, HL-2140, MFC-7840W, MFC-7340, DCP-7040, DCP-7030, etc.

Compatible models: HL-2170W, HL-2140, MFC-7840W, MFC-7340, DCP-7040, DCP-7030 Brother genuine ink is developed through extensive research to ensure optimal performance of the printer. Please note that using non-genuine ink may not only prevent the printer from performing optimally but may also damage the printer.