These printers use the CF237A cartridge:

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