GREENSKY 1PK (1 Black) Compatible For HP CF226X 26X Black toner cartridge used for HP LaserJet Pro M402d M402n M402dn M402dw, MFP M426dw M426fdw M426fdn Package Contents:HP CF226X 26X ( 1Blacks) Compatible with Printers: HP LaserJet Pro M402d M402n M402dn M402dw, MFP M426dw M426fdw M426fdn series Page Yield: Up to 9,000 pages at 5% coverage (Letter/A4) ISO 9001 & 14001 (INTERNATIONAL STANDARD ORGANIZATION Quality Standard) 3-Years 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