1,Tips: Click coupon for price off 2,You will get the packaging: 4-Pack Compatible TN227 Laser Printer Toner Cartridge: TN227BK 1-Pack, Black TN227C 1-Pack, Cyan TN227M 1-Pack, Magenta TN223Y 1-Pack, Yellow 3,What Printer Models does TN227 Toner Cartridge Work with? MFC Series Printer : MFC-L3770CDW MFC-L3710CW MFC-L3750CDW MFC-L3730CDW MFC-L3730CDW HLSeries Printer: HL-3210CW HL-3230CDW HL-3270CDW HL-3230CDN HL-3290CDW DCP Series Printer: DCP-L3510CDW DCP-L3550CDW 4,What Advantages do We Have? High Page Yield: 40% more Page Yield than others Black is 3000 Pages Per Cartridge at 5% CoverageCyan/Magenta/Yellow is 2300 Pages Per Cartridge at 5% Coverage 5,What guarantee do you get from us? If the item is defective, a refund or replacement is guaranteed; contact us by: 1. "Order List"-> Click "Contact Seller". 2. Click the store name link under "Add to Cart"-> click "Ask Question".