These printers use the Copystar TK-342 cartridge:
Click On a Printer to View it's Cartridges
Royal-Copystar FS-2020
Kyocera FS 2020
Kyocera FS 2020 D
Kyocera FS 2020 DN
Kyocera-Mita FS 2020
Kyocera-Mita FS 2020 D
Kyocera-Mita FS 2020 DN