These printers use the C4191A cartridge:
Click On a Printer to View it's Cartridges


          HP Color LaserJet 4500
          HP Color LaserJet 4500 DN
          HP Color LaserJet 4500 HDN
          HP Color LaserJet 4500 N
          HP Color LaserJet 4500 Series
          HP Color LaserJet 4550
          HP Color LaserJet 4550 DN
          HP Color LaserJet 4550 HDN
          HP Color LaserJet 4550 N
          HP Color LaserJet 4550 Series
          HP LaserJet 4550 ODN
          Canon C LBP 400-4 Color
          Canon EP 83
          Canon LBP 460 PS
          Canon LBP 2040
          Canon LBP 2050