These printers use the 210A Magenta cartridge:
Click On a Printer to View it's Cartridges
          HP Color LaserJet Pro 4201 DN
          HP Color LaserJet Pro 4201 DNE
          HP Color LaserJet Pro 4201 DW
          HP Color LaserJet Pro 4201 DWE
          HP Color LaserJet Pro MFP 4301 DW
          HP Color LaserJet Pro MFP 4301 FDN
          HP Color LaserJet Pro MFP 4301 FDNE
          HP Color LaserJet Pro MFP 4301 FDW
          HP Color LaserJet Pro MFP 4301 FDWE