Amazon.com: E-Z Ink (TM Compatible Drum Unit Replacement for Brother DR520 DR620 Compatible with DCP-8065DN DCP-8060 HL-5240 HL-5250DN HL-5340D HL-5370DW MFC-8890DW MFC-8460N Printer (1 Drum Unit, 1 Pack) : Office Products
TN580 Toner & DR520 Drum For Brother HL-5250DN HL-5240 MFC-8660DN Printer | eBay
Brother TN-3145,TN3145 BROTHER HL-5240 TONER BLACK 3.5K Toner Toner.com information
Black High Yield Toner Cartridge Compatible with Brother HL-5240 (V7820)
QuikShip Toner
Amazon.com: v4ink 2-Pack Compatible Toner Cartridge Replacement for Brother TN580 TN620 TN650 High-Yield Work with HL-5240 HL-5250 HL-5340 HL-5370 MFC-8460 MFC-8480 MFC-8680 MFC-8690 MFC-8860 MFC-8890 Series : Office Products
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
Amazon.com: TN620 Compatible TN-620 Black High Yield Toner Cartridge Replacement for Brother TN-620 HL-5240 HL-5250DN MFC-8370 MFC-8460N DCP-8060 Toner.(2 Pack) : Office Products
Brother HL-5240 Toner Cartridge
Brother HL-5240 Drum Unit and Toner Cartridge Replacement - iFixit Repair Guide
Amazon.com: 1-Pack Black Compatible Toner Cartridge Replacement for Brother TN550 TN-550 TN550BK High Yield to use with HL-5370DW, HL-5340D, DCP-8060, DCP-8065DN, HL-5240, HL-5250DN, MFC-8660DN Printer : Office Products
GENUINE] Original Brother TN-3185 / TN3185 Toner For Brother HL-5240/ HL-5250DN/ HL-5270DN / MFC-8460N/ MFC-8860DN Printer