LxTek Compatible Toner Cartridge and Drum Unit Replacement Set For TN750 DR720 (2 Toners|1 Drum) 3 Pack For Use With LaserJet HL-5440D HL-5450DN HL-5470DW HL-5470DWT HL-6180DW LxTek compatible toner cartridge replacements for Brother TN750 DR720 have been awarded ISO9001 certification, and we have independent laboratories periodically verify product quality to ensure a smooth user experience. 8,000 pages per toner cartridge and 30,000 pages per drum unit at 5% coverage Compatible Printers: Brother DCP-8110DN DCP-8155DN MFC-8710DW HL-5470DW HL-5450DN HL-6180DW MFC-8510DN MFC-8950DW DCP-8150DN HL-5470DWT HL-6180DWT MFC-8950DWT MFC-8810DW HL-5440D MFC8910DW, DCP8110DN DCP8155DN MFC8710DW HL5470DW HL5450DN HL6180DW MFC8510DN MFC8950DW DCP8150DN HL5470DWT HL6180DWT MFC8950DWT MFC8810DW HL5440D MFC8910DW Printer Package Contents: 3 Pack compatible TN750 TN-750 toner cartridges and DR720 DR-720 drum unit (2 Black|1 Drum) Guarantee: 1-year limited warranty / Shelf life: 18-24 months