These printers use the Copystar TK-410 cartridge:
Royal-Copystar CS 1620
Royal-Copystar CS 1635
Royal-Copystar CS 1650
Royal-Copystar CS 2020
Royal-Copystar CS 2050
Kyocera KM 1620
Kyocera KM 1635
Kyocera KM 1650
Kyocera KM 2035
Kyocera KM 2050
Kyocera-Mita KM 1620
Kyocera-Mita KM 1635
Kyocera-Mita KM 1650
Kyocera-Mita KM 2020
Kyocera-Mita KM 2035
Kyocera-Mita KM 2050
Mita KM 1635
Mita KM 2035