HQ Supplies &copy; Professionally Remanufactured Replacements for HP 502A Toner Set, HP 6470A Q6471A Q6472A Q6473A High Yield Toner Cartridge Set (BCYM) for use in HP Color LaserJet 3600, 3600n, 3600dn Printers Best Real Savings Option for Corporations, Educational Institutions, Organizations, and Businesses in printing Business (Tax Preparation, Illustration, School related, legal documents, any paperworks, etc...) Level High Quality Printing. Buy with confidence this High Quality Premium Replacement for your Expensive Valued HP Business Printers. These cartridges were remanufactured with applying new robust techniques without drilling to Genuine HP Cartridges. Clear, sharp and consistently accurate high quality printouts. Page Yield: Black 6,000 pages at 5% coverage and Cyan, Yellow, and Magenta 4,000 pages at 5% coverage. OEM Part Numbers: Q6470A, Q6471A, Q6472A, Q6473A Compatible Printer: HP Color LaserJet 3600, 3600n, 3600dn Printers