These printers use the CF281X cartridge:
Click On a Printer to View it's Cartridges
          HP LaserJet M-625 DW
          HP LaserJet Enterprise M-605 DH
          HP LaserJet Enterprise M-605 DN
          HP LaserJet Enterprise M-605 N
          HP LaserJet Enterprise M-605 X
          HP LaserJet Enterprise M-606 DN
          HP LaserJet Enterprise M-606 X
          HP LaserJet Enterprise flow MFP M-630 Z
          HP LaserJet Enterprise MFP M-630 DN
          HP LaserJet Enterprise MFP M-630 F
          HP LaserJet Enterprise MFP M-630 H