These printers use the CF280X (High Yield) cartridge:
Click On a Printer to View it's Cartridges
          HP LaserJet Pro 400 M401A
          HP LaserJet Pro 400 M401N
          HP LaserJet Pro 400 MFP M401A
          HP LaserJet Pro 400 MFP M401D
          HP LaserJet Pro 400 MFP M401DN
          HP LaserJet Pro 400 MFP M401DW
          HP LaserJet Pro 400 MFP M425DN
          HP LaserJet Pro 400 MFP M425DW