Cartridge delivers excellent print quality, sharp images and text - up to a 4,000 pages yield. - Part number on carton and label is 2K1VC - Compatible with Dell C2660dn/ C2665dnf Color Laser Printer - Offers up to 4,000 page yield based on 5% page coverageCompatible Printers: Dell C 2660 dn, Dell C 2665 dnf, Dell C 2600 Series