SMARTOMI Replacement DR2400 DR-2400 Drum Unit and TN2420 Black Toner Cartridge for Brother MFC L2710dw MFC-L2710dw HL-L2370dn L2370DN DCP L2710DW L2310D HL-L2310D L2350DW L2370DW(2K+1D)The SMARTOMI Choice: A cost effective, reliable alternative replacement compatible to the Brother TN2420 TN2410 DR2400. Page Yield: 3,000 Yield Pages per black toner cartridge at 5% coverage. Drum Unit Page Yield: 12,000 Yield Pages at 5% coverage. (Letter A4) Compatible with Brother Printers: HL L2395DW, HL L2310D, HL L2350DN, HL L2370DN, HL L2375DW, HL L2350DW; DCP L2531DW, DCP L2535DW, DCP L2550DW, DCP L2510D, DCP L2530DW, DCP L2550DN; MFC L2710DW,