These printers use the CE505X cartridge:
Click On a Printer to View it's Cartridges


          HP LaserJet P-2050
          HP LaserJet P-2050 DN
          HP LaserJet P-2050 X
          HP LaserJet P-2055
          HP LaserJet P-2055 D
          HP LaserJet P-2055 DN
          HP LaserJet P-2055 X