These printers use the 947-228 cartridge:
Konica-Minolta 2125
Konica-Minolta 2130
Konica-Minolta 3135
Konica-Minolta 4145
Konica-Minolta 4155
Konica-Minolta 4255
Konica-Minolta Copier 2125
Konica-Minolta Copier 2130
Konica-Minolta Copier 3135
Konica-Minolta Copier 4145
Konica-Minolta Copier 4155
Konica-Minolta Copier 4255
Konica-Minolta UB 3031
Konica 2125
Konica 2130
Konica 3135
Konica 4145
Konica 4155
Konica 4255
Konica UB 3031
Minolta 2125
Minolta 2130
Minolta 3135
Minolta 4145
Minolta 4155
Minolta 4255
QMS 2130