These printers use the W2021X cartridge:
HP Color LaserJet Enterprise M-455 DN
HP COLOR LASERJET ENTERPRISE MFP M-480 F
HP Color LaserJet Pro M-454 DN
HP Color LaserJet Pro M-454 DW
HP Color LaserJet Pro MFP M-479 DW
HP Color LaserJet Pro MFP M-479 FDN
HP Color LaserJet Pro MFP M-479 FDW
HP Color LaserJet Pro MFP M-479 FNW