GREENSKY Q6000A 124A Toner Cartridges Replacement for Q6001A Q6002A Q6003A (1B 1Y 1C 1M) Compatible with HP Color Laserjet 1600 2600n 2605dn 2605dtn CM1017 Printer Package Contents: 4Pack 124A toner cartridge(1 x Black,1x Cyan, 1x Magenta, 1x Yellow) Standard Yield: 2,500 Pages Black Toner Cartridge based on 5% coverage of Letter/A4 Suitable for use in HP Color LaserJet 1600, HP Color LaserJet 2600n, HP Color LaserJet 2605dn, HP Color LaserJet 2605dtn, HP Color LaserJet CM1015 MFP, HP Color LaserJet CM1017 MFP Printer Every toner packaged in single box with pearl wool anti-static plastic without any leaking trouble ISO 9001 & 14001 (INTERNATIONAL STANDARD ORGANIZATION Quality Standard); 12-MONTH 100% Quality Guarantee ensures that you will get quality printouts with our compatible or remanufactured cartridges.Any problems under normal circumstance, demand for a return is acceptable