AZ Supplies brand products are made in the USA! Why pay more for cheaper product with a high defective rate? You will end up having to send it back to the manufacturer. Your time is valuable. Get a quality product that you KNOW will work. Purchase the AZ Supplies TN310 Cyan Toner Cartridges and experience the difference! All AZ 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 AZ Supplies brand products.The use of AZ Supplies brand replacement laser toner cartridges and supplies does not void printer warranty. Premium Quality Replacement Toner Cartridge is made by ISO9001 Certified Factory to Meet or Exceed OEM Standards. 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 TN310BK laser toner cartridges. The compatible toner cartridge will produce the same amount of page yield as an OEM cartridge would. This is a Compatible TN310 Cyan Toner Cartridge guaranteed to perform with Brother Laser Printers. It replaces the original TN310 Cyan Toner Cartridges. The compatible replacement TN310BK. The use of compatible replacement Cartridges and supplies does not void Printer Warranty. Our Compatible TN310BK Cartridge is a replacement for OEM name brands. We offer a 100% Quality Satisfaction Guarantee on our Compatible TN310BK Laser Toner Cartridges and supplies. For use in the following printers:DCP-9055,DCP-9055CDN,HL-4150,HL-4150CDN,HL-4570,HL-4570CDW,HL-4570CDWT,MFC-9460,MFC-9460CDN,MFC-9560,MFC-9560CDW,MFC-9970,MFC-9970CDW.