These printers use the CF281A cartridge:
HP LaserJet M-625 DW
HP LaserJet Enterprise M-604 DN
HP LaserJet Enterprise M-604 N
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