These printers use the TN301K cartridge:

Konica-Minolta 7022

Konica-Minolta 7130

Konica-Minolta 7222

Konica-Minolta 7222-22PPM

Konica-Minolta 7228

Konica-Minolta 7228-28PPM

Konica-Minolta Bizhub 7222

Konica-Minolta Bizhub 7228

Konica 7022

Konica 7130

Konica 7222

Konica 7228

Minolta 7022

Minolta 7130

Minolta 7222

Minolta 7222-22PPM

Minolta 7228

Minolta 7228-28PPM

Minolta Bizhub 7222

Minolta Bizhub 7228

QMS 7130