Konica Minolta Magicolor 4750DN Reference Manual page 347

IP Address Filtering
The Network - TCP/IP - IP Address Filtering page allows you to specify the
IP address and limitations for accessing the printer.
The settings described below are not applied to the DNS server and
DHCP server.
If the range of permitted IP addresses in Access Permission
Address overlaps the range of refused IP address in Access Refuse
Address, the refuse setting of Access Refuse Address is given pri-
ority.
7-128 Configuring the Printer