Amazon.com: (2 Black Toner Cartridges, 1 Drum Unit) Compatible High Yield TN-580 TN580 Toner Cartridge and DR-520 Drum Unit Used for Brother DCP-8065DN HL-5240 5250DN 5340D MFC-8890DW 8460N Printer, by EasyPrint :
How to reset a drum – Brother HL -5140, HL -5240, HL -5340, HL -5350 - YouTube
Restoring The Network Settings To Factory Default - Brother HL-5250DN series Network User's Manual [Page 47] | ManualsLib