Genuine Konica Minolta USB Host Board also know as Local Interface Kit with 2 USB and 1 serial ports for the models listed on this page.
MK-711 Mount Kit is required to connect the EK-603 to Konica Minolta C353/C253/C203 only if they do not have the Fax Kit attached.
MK-711 Mount Kit is NOT required on C451/C550/C650.
