HP
RM2-1501-020CN
is compatible in the following HP Models:
HP Color LaserJet MFP M776 series
HP Color LaserJet Ent MFP M776dn Printer - T3U55A
HP Color LaserJet Ent MFP M776z Printer - 3WT91A
HP Color LaserJet Flow MFP M776zs Printer - T3U56A
HP Color LaserJet M750 Printer series
HP Color LaserJet Enterprise M751 Printer - T3U44A