These printers use the TN303K cartridge:

Konica-Minolta 7135

Konica-Minolta 7235

Konica-Minolta 7235-35PPM

Konica-Minolta Bizhub 7235

Konica 7135

Konica 7235

Minolta 7135

Minolta 7235

Minolta 7235-35PPM

Minolta Bizhub 7235