CS Compatible for Brother TN221 TN-221 TN-221BK Toner Cartridge DCP-9020CDN 9020CDW HL-3140CDW 3150CDW MFC-9130CW 9330CDW 9340CDW 9140CDN 9330CW Black Toner Cartridge Page Yield: Black: 2500 Replaces TN-221BK . The Compatible toner cartridge will produce the same amount of page yield as an OEM cartridge would. WARNING: Avoid poor quality knockoffs from other sellers; order directly from Clever Supplies Toner to receive the exact product listed and ensure superior quality. Premium Quality Replacement Toner Cartridge is made by ISO9001 Certified Factory to Meet or Exceed OEM Standards. All Clever Supplies brand products are backed by '100% Quality Satisfaction' 1 year warranty against defects in materials and workmanship for all toner products. Free tech support for any problems for all Clever Supplies brand products. These units are manufactured 100% brand new with all new parts including OPC drums, wiper blades, a smart chip and other internal parts, they are an economical alternative to expensive OEM laser toner cartridges. Compatible with Brother Printers: HL-3140 HL-3170 HL-3140CW HL-3170CDW MFC-9130 MFC-9330 MFC-9340 MFC-9130CW MFC-9330CDW MFC-9340CDW DCP-9020 DCP-9020CDN DCP-9020CDW HL-3140CDW HL-3150CDN HL-3150CDW HL-3170CDW MFC-9140CDN MFC-9330CW MFC-9340CW