Solution
If the IP address is not assigned automatically, or you want to specify the IP address manually, follow the below procedure.
1. Press [Additional Functions].
2. Press [<-] or [+>] to select <SYSTEM SETTINGS>, then press [OK].
3. Press [<-] or [+>] to select <NETWORK SETTINGS>, then press [OK].
4. Press [<-] or [+>] to select <TCP/IP SETTINGS>, then press [OK].
5. Press [<-] or [+>] to select <IP ADDRESS AUTO.>, then press [OK].
6. Press [<-] or [+>] to select <OFF>, then press [OK].
7. Press [<-] or [+>] to select <IP ADDRESS>, then press [OK].
8. Use the numeric keys to enter the IP address, then press [OK].
9. Press [<-] or [+>] to select <SUBNET MASK>, then press [OK].
10. Use the numeric keys to enter the subnet mask, then press [OK].
11. Press [<-] or [+>] to select <GATEWAY ADDRESS>, then press [OK].
12. Use the numeric keys to enter the gateway address number, then press [OK].
13. Turn off the main power on the left side of the machine, then turn on the power to restart the machine.