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