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