These printers use the 4171-302 cartridge:
Konica-Minolta Fax 2500
Konica-Minolta Fax 3500
Konica-Minolta Fax 5500
Konica-Minolta FAX 5500 E
Konica-Minolta Fax 5600
Konica-Minolta Minoltafax 2500
Konica-Minolta Minoltafax 3500
Konica-Minolta Minoltafax 5500
Konica-Minolta Minoltafax 5600
Develop Defax 6500
Develop Defax 7500
Konica Minoltafax 2500
Konica Minoltafax 3500
Konica Minoltafax 5500
Konica Minoltafax 5600
Minolta Fax 5500 E
Monroe MX 5070