Amazon.com : greencycle (1 Drum + 1 Toner) 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 :
DR-520 / BRDR520, Drum Unit for Brother DCP-8060 8065 HL-5240 5250 5280