These printers use the CF502A cartridge:
HP Color LaserJet Pro M-254
HP Color LaserJet Pro M-254dw
HP Color LaserJet Pro M-254nw
HP Color LaserJet Pro M-280
HP Color LaserJet Pro M-281
HP Color LaserJet Pro M-281cdw
HP Color LaserJet Pro M-281fdw
HP Color LaserJet Pro MFP M-280nw
HP Color LaserJet Pro MFP M-281 CDW
HP Color LaserJet Pro MFP M-281fdn
HP Color LaserJet Pro MFP M-281fdw