9NetworkTCP/IPInternet Protocol Version 4 (TCP/IPv4)Obtain an IP address automatically (DHCP): If a DHCP server is installed on the network, to select thiswhile the IP address is assigned by the DHCP server.Obtain DNS server address automatically: Select this to obtain the address of DNS serverautomatically.Use the following IP address: Select this option when the fixed IP address is set. IP address: Enter the IP address of the device. Subnet mask: Enter the subnet mask. Default gateway: Enter the default gateway.Use the following DNS server address: Select this when you set the fixed address as the IP address ofDNS server. Primary DNS server: Enter the IP address of the primary DNS server. Secondary DNS server: Enter the IP address of the secondary DNS server, if necessary.HTTPHTTP port number: Select 80 in general situations. If you want to use a port number other than 80,select the text box and enter a port number between 1024 and 65535. When you have set the HTTP port number to a number other than 80 on the Network Setting screen