HD TONER Compatible Toner Cartridge Replacement for HP 3600DTN (Black,Cyan,Magenta,Yellow,4-Pack) Best Real Savings Option for Corporations, Educational Institutions, Non-Profit Organizations, and Businesses in printing Business (Tax Preparation, Illustration, School related, legal documents, any paperwork, etc...) Prints like original! Compatible Hardware: HP Color laserjet 3600, 3600DN, 3600N, Page Yield: Q6470A Black Print Cartridge (6,000 Yield), Q6471A Cyan Print Cartridge (4,000 Yield), Q6472A Yellow Print Cartridge (4,000 Yield), Q6473A Magenta Print Cartridge (4,000 Yield)