4 Pack E-Coner New Compatibel CF226A 26A Toner Cartridge Black-3,100 Yield for HP LaserJet Pro M402n, M402dn, M402dw,MFP M426fdw,MFP M426fdn series Color: 4 Black Style: Replacement/Premium Compatible Toner Cartridge Approximate Yield: 3,100 Pages at 5% coverage ISO/IEC 19752 (letter/A4) Guarantee: 2 Years 100% Quality Guarantee For use with: HP LaserJet Pro M402dw M402dn M402n MFP M426fdw MFP M426fdn series printers