HQ Products Compatible Replacement for HP 501A-502A 2x Q6470A Q6471A Q6472A Q6473A 5Pk Toner Cartridge Set for HP 3600 3600DN 3800 3800N CP3505 3505X Premium Compatible Includes: 2 x Q6470A Black, 1x Q6471A Cyan, 1x Q6472A Yellow, 1x Q6473A Magenta Page Yield: Black: Up to 6,000 Pages at 5% Coverage, Colors: Up to 4,000 Pages at 5% Coverage For use with HP Color LaserJets 3600, 3600N, 3600DN, 3800, 3800N, 3800DN, 3800DTN, CP 3505, 3505N, CP 3505DN, CP 3505X Series Printers. Note: This is not original HP toner cartridge. This is a new compatible high-quality toner cartridge.