GTS  1 Drum Unit for Brother DR420 and 1 Toner Cartridge for Brother TN450 (TN420) 1 Pack Generic Laser Drum Unit Compatible for Brother DR420 1 Pack Generic Laser Toner Cartridge Compatible for Brother Tn450 (Tn420) Drum Yield: Up to 12,000 pages at 5% Coverage Toner Yield: Up to 2,600 pages at 5% Coverage For use with the following units: DCP7060D, DCP7065DN, HL2220, HL2230, HL2240, HL2240D, HL2270DW, MFC7360N, MFC7460DN, and MFC7860DW