4 Compatible Laser Toner Cartridges and 1 Drum Unit (Total of 5 Units) Replacement for Brother TN1030 and DR1030 (Non OEM) Universal TN1030 / DR1030 / TN1000 / DR1000 1070 The Toner Cartridges in 2 Combo Packs and the Drum in a Separate Pack. Page Yield: 1,000 Pages per Toner Cartridge, The Drum Delivers 10,000 Pages @ 5% Standard Coverage Rate on A4 Paper Size. Important: Make Sure to Reset the Drum After Installing it by Pushing the Power Button 4 Times. Watch the following short Video on You Tube for Demonstration (copy & paste on your browser): https://www.youtube.com/watch?v=x7EBkE2GRak and/or Watch: https://www.youtube.com/watch?v=5V3CQrYh5IE For Brother Printers HL-1110 / HL-1110R / HL-1110E / HL-1111 / HL-1112 / HL-1112R / HL-1112E and DCP-1518 / DCP-1511 / DCP-1512R / DCP-1510 / DCP-1612 / DCP-1612W / DCP-1810 PRINTOXE® Brand 100% Compatible in Retail Package Shown in Image. Shelf Life Exceeds 24 Months.