These printers use the TK8517Y cartridge:
Click On a Printer to View it's Cartridges
          Kyocera-Mita TASK ALFA 5052
          Kyocera-Mita TASK ALFA 6052
          Kyocera-Mita TASK ALFA CS-5052
          Kyocera-Mita TASK ALFA CS-6052
          Kyocera-Mita TASKalfa 3553 CI
          Kyocera-Mita TASKalfa 5052 CI
          Kyocera-Mita TASKalfa 5053 CI
          Kyocera-Mita TASKalfa 6052 CI
          Kyocera-Mita TASKalfa 6053 CI