The Contents of this Package: 1 Pack 51B1000 Black toner Cartridge Color: Black Compatible Printer: MS317dn printer MS417dn printer MS517dn printer MS617dn printer MX317dn printer MX417de printer MX517de printer MX617de printer Stable Print Quality: -High-quality Toner Cartridges high-quality printing. -Good quality and low price sufficient toner capacity smooth printing. -The first-class toner provides clear text and graphics which will not fade ink or fly powder for many years. Our Advantages: -Achieves clean printing without stains or smears perfect fit and brilliant colors. -Get the same excellent print results without spending more. -Healthy work harmless and environmentally friendly raw materials. -Carries premium cartridge replacements perfect for your home and business printing needs. Multi-layer Packaging: Multi-protection packaging to prevent damage caused by bumps during transportation. Quality Service that Makes Customers Comfortable: We have established a professional trustworthy and friendly team. If you ever have any questions or experience any issues with your item our team will be happy to assist you quickly.