GREENSKY 4 Packs (1B1C1Y1M) Compatible Toner for Samsung CLT-K407S CLT-C407S CLT-M407S CLT-Y407S Color Toner Set Fit CLP-320 CLP-320N CLP-321N CLP-326 CLX-3180 CLX-3185 Package concludes: 4Packs (1B1C1Y1M) Compatible with Printers: Samsung CLP-320 CLP-320N CLP-321N CLP-326 CLX-3180 CLX-3186 CLX-3186N CLX-3186FN CLX-3285 CLX-3185 CLX-3185FN CLX-3185FW CLX-3185N CLX-3185W Pages Yield: Black - Up to 1,500 Pages, Color - Up to 1,000 Pages at 5% Coverage ISO/IEC 19752 (letter/A4) Free shipping in 1-2 business day.Vivid and fluent printing performance for finished product.High yield, high volume with excellent printing results 3-Years 100% Quality Guarantee ensures that you will get quality printouts with our compatible or remanufactured cartridges. Any problems under normal circumstance, Request for return is acceptable