Brother DR200 Premium Compatible Drum Cartridge - HL-720, HL-730+, HL-730DX, HL-760, HL-760+, HL-760DX, HL-760DX+, IntelliFax-2600, 2750, 3550, 3650, 3750, MFC-2750, 4300, 4350, 4450, 4550, 4550PLUS, 4600, 4650, 6550MC, 7500, 7600 - (20,000 pages). The use of compatible supplies does not void your printer warranty.