Drum is designed for use with Brother DCP-7010, 7020; MFC-7220, 7225N, 7420, 7820, 7820N; HL-2030, HL-2040, HL2070N; IntelliFax 2820, 2910 and 2920. Proprietary automated equipment and ASTM testing methods ensure superior performance from each and every cartridge produced. State-of-the-art, automated filling equipment ensures precise fill weights for each cartridge. Independent testing has verified that this cartridge functions fully until end-of-life while yielding the same or more pages than OEM cartridges. Drum yields 12,000 pages.