Original Dell 310-8707 High Yield Black Toner Cartridge for 1720/ 1720dn Laser Printer Dell 1720 Brand New Genuine Original OEM Toner Cartridge, Factory Sealed in Retail Packaging Toner Yield: Up to 6,000 Pages at 5% Coverages 90 Days Money Back Guarantee, 180 Days Manufacturer Warranty Against Product Defect