These printers use the CF281X cartridge:

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

HP LASERJET MANAGED M-605 XM