Transfer belt compatible for 

HP Color LaserJet CM3530 HP Color LaserJet CM3530fs HP Color LaserJet CP3525n HP Color LaserJet CP3525x HP Color LaserJet Enterprise CM4540 MFP HP Color LaserJet Enterprise CM4540f MFP HP Color LaserJet Enterprise CM4540fskm MFP HP Color LaserJet Enterprise CP4025dn HP Color LaserJet Enterprise CP4025n HP Color LaserJet Enterprise CP4525n HP Color LaserJet Enterprise CP4525xh

HP Color LaserJet Enterprise Flow MFP M680z HP Color LaserJet Enterprise M651dn HP Color LaserJet Enterprise M651n HP Color LaserJet Enterprise M651xh HP Color LaserJet Enterprise MFP M680dn HP Color LaserJet Enterprise MFP M680f HP Color LaserJet Managed M651dnm HP Color LaserJet Managed M651xhm HP Color LaserJet Managed MFP M680dnm  HP LaserJet Enterprise 500 Color M551n HP LaserJet Enterprise 500 Color M551xh