These printers use the TK-5232C cartridge:
Click On a Printer to View it's Cartridges
          Kyocera-Mita Ecosys M-5521 CDW
          Kyocera-Mita Ecosys P-5021 CDW
          Kyocera-Mita Ecosys P-5026 CDW
          Kyocera-Mita M 5521 CDN
          Kyocera-Mita M 5521 CDW
          Kyocera-Mita P 5021 CDN
          Kyocera-Mita P 5021 CDW