1 pack black v4ink DR820 DR-820 compatible Drum unit Suitable for Brother Printer: HLL6200DW HLL6200DWT HLL5000D HLL5100DN HLL5200DW HLL5200DWT HLL6300DW HLL6400DW HLL6400DWT HLL6250DW Printer; Brother MFCL5900DW MFCL6700DW MFCL5700DW MFCL5800DW MFC5850DW MFCL6750DW MFCL6800DW MFCL6900DW Printer; Brother DCPL5500DN DCPL5600DN DCPL5650DN Printer Print more and cost less: 30,000 pages per toner cartridge based on 5% coverage (letter/A4) Reliable printing results: Sharp text, bold blacks and crisp graphics