What you will receive: 2 packs TN1050 /TN-1050 Compatible Black Toner Cartridge. 1 pack DR1050/ DR-1050 Compatible Black Drum Unit. Work with The Following Printer Model: Brother HL-1110, HL-1110E, HL-1110R, HL-1111, HL-1112, HL-1112E. Brother HL-1112R, HL-1112A, HL-1200, HL-1210W, HL-1202, HL-1212. Brother DCP-1510, DCP-1510E, DCP-1510R, DCP-1512, DCP-1512E. Brother DCP-1512R, DCP-1511, DCP-1610W, DCP-1612, MFC-1810. Brother MFC-1810E, MFC-1810R, MFC-1815R, MFC-1910, MFC-1910W. Page Performance: 1,500 pages per TN1050 black toner; 10,000 pages per dr1050 black drum unit. ( @ 5% A4 coverage. ) Why Choose Us: ● High Yield Toner - Print 1,500 pages per toner (depends on printer and usage). Print more pages, Save more money. ● Latest Version - Professional color restoration technology ensure excellent print from first page to the last, reducing waste and maximizing printing volume. ● Print Perfect as Original Toner - Blend perfectly with a variety of paper calibers to offer printing of posters, flyers, documents, reports. ● 24-Month Warranty - 100% quality satisfaction guarantee, or we will replace new item/ refund. Installation Instruction: 1. Shake 6-8 times to make the toner even. 2. Remove the protective case. 3. Clean the residual powder on the drum unit. 4. Insert the toner cartridge into the drum unit. 5. insert the drum unit to the printer.