These printers use the CF237A cartridge:
Click On a Printer to View it's Cartridges
          HP LaserJet Enterprise M-607 DN
          HP LaserJet Enterprise M-607 N
          HP LaserJet Enterprise M-608 DN
          HP LaserJet Enterprise M-608 N
          HP LaserJet Enterprise M-608 X
          HP LaserJet Enterprise M-609 DH
          HP LaserJet Enterprise M-609 DN
          HP LaserJet Enterprise M-609 X
          HP LaserJet Enterprise flow MFP M-631 DN
          HP LaserJet Enterprise flow MFP M-631 H
          HP LaserJet Enterprise flow MFP M-632 Z
          HP LaserJet Enterprise flow MFP M-633 Z
          HP LaserJet Enterprise MFP M-631 DN
          HP LaserJet Enterprise MFP M-631 Z
          HP LaserJet Enterprise MFP M-632 FHT
          HP LaserJet Enterprise MFP M-632 H
          HP LaserJet Enterprise MFP M-633 FH
          HP LJ ENTERPRISE M-607
          HP LJ ENTERPRISE M-608
          HP LJ ENTERPRISE M-609
          HP LJ ENTERPRISE M-631
          HP LJ ENTERPRISE M-632
          HP LJ ENTERPRISE M-633