These printers use the TK-5232K cartridge:

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