How to reset a drum – Brother HL -5140, HL -5240, HL -5340, HL -5350 - YouTube
Toner Brother 5250 (Original) – Harb Tech
Brother HL-5250DN Toner Cartridge and Drum – Absolute Toner
Amazon.com: (1 Drum + 1 Toner) GREENCYCLE High Yield Black Toner Cartridges & Drum Drum Unit Set Compatible for Brother TN550 TN580 DR520 use with DCP-8060 DCP-8065DN HL-5240 HL-5250 MFC-8870WN : Office
Brother TN550 TN-550 Toner Cartridge Black DCP-8065DN HL-5240 HL-5250 HL-5250DN HL-5250DNT HL-5280DW MFC-8460N MFC-8860DN - Sun Data Supply