HOTCOLOR 1BK Toner Cartridge TN221BK Compatible with Brother HL-3140CW, HL-3170CDW, MFC-9130CW, MFC-9330CDW, MFC-9340CDW 1.Page Yield : 2,500 Pages / each cartridge at 5% coverage 2.This package contains: 1 Black toner cartridge 3.Not made by Brother 4.Shelf Life: 24-36 Months 5.Printer Compatibility: Brother HL: HL-3170CDW, HL-3170CW, HL-3140CW, Brother MFC: MFC-9130CW, MFC-9330CDW, MFC-9340CDW.