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 :
Brother DR520 Drum Photoconductor DCP-8065DN HL-5240 HL-5250 HL-5250DN HL-5250DNT HL-5280DW MFC-8460N MFC-8860DN - Sun Data Supply
Amazon.com: Compatible Black Toner Cartridge For use In Brother HL-5240 / 5250DN / 5250DNT / 5280DW, MFC-8460N/8660DN / 8860DN/ 8870DW Laser Printers. Replaces Brother TN-580. : Office Products
Brother Black Toner Cartridge for HL-5240, HL-5250DN & HL (TN550)