Laser Tek Services&reg; Brother TN750 DR720 Combo Pack of 1 TN750 Compatible Cartridge, and 1 DR720 Compatible Drum Unit for use in the Brother DCP-8110DN, DCP-8150DN, DCP-8155DN, HL-5470DWT, HL-6180DWT, MFC-8510DN, MFC-8710DW, MFC-8810DW, MFC-8910DW, MFC-8950DW, MFC-8950DWT Package comes with 1 Black toner cartridge and 1 drum unit. Works in the following printer models: Brother DCP-8110DN, DCP-8150DN, DCP-8155DN, HL-5470DWT, HL-6180DWT, MFC-8510DN, MFC-8710DW, MFC-8810DW, MFC-8910DW, MFC-8950DW, MFC-8950DWT Page Yield: 8000 @ 5% coverage per page for toner cartridge & 30000 @ 5% coverage per page for drum unit Product Comes with a 1 year 100% Satisfaction Guarantee! Laser Tek Services offers free technical support for any questions you may have. Manufactured by ISO and STMC certified facility.| The Use of Laser Tek Services compatible products will not void your printers warranty.