GREENSKY Compatible for HP CF226A 26A Black Toner Cartridge Used for HP Laserjet Pro M402d M402n M402dn M402dw MFP M426dw M426fdw M426fdn(2Black - 2 Pack) Package Contents:HP CF226A 26A (2Blacks) Compatible with Printers: HP LaserJet Pro M402d M402n M402dn M402dw, MFP M426dw M426fdw M426fdn series Page Yield: Up to 3,100 pages at 5% coverage based on 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