These printers use the TK-5242M cartridge:
Kyocera-Mita Ecosys M-5526 CDW
Kyocera-Mita M 5526 CDN
Kyocera-Mita M 5526 CDW
Kyocera-Mita P 5026 CDN
Kyocera-Mita P 5026 CDW
Kyocera-Mita P 5526 CDN