a) Additional Functions/ Registration>System administration settings>Network settings>TCP/ IP settings>IPv4 settings>PING command. Input 127.0.0.1, and

press the Start button.

Is the response from the host displayed?

YES: Proceed to Step 3).

NO: There is a possibility that the main unit's network settings are wrong. Check the details of the IPv4 settings once more.

3) Confirmation from a another PC connected to same network.

a) Request the user to ping the main unit from a PC connected to same network.

Does the main unit respond?

YES: Proceed to Step 4).

NO: Confirm the details of the main unit's IP address and subnet mask settings.

4) Confirm DNS connection

a) Additional Functions>System administration settings>Network settings>TCP/ IP settings>DNS settings>DNS Server Address Settings, and note down both the

primary and secondary DNS server addresses.

b) Press Cancel.

c) Additional Functions/ Registration>System administration settings>Network settings>TCP/ IP settings>IPv4 settings>PING command. Input the primary DNS

server noted down in step a) as the IP address, and then press Start.

Is the response from the host displayed?

YES: Proceed to step Troubleshooting using communication log.

NO: Input the secondary DNS server noted down in step a) as the IP address, and then press Start.

Is the response from the host displayed?

YES: Proceed to Troubleshooting using communication log.

NO: There is a possibility that the DNS server address is wrong. Reconfirm the address with the user's system administrator.

(2) Troubleshooting using communication log

Enter Service mode>Function>INSTALL>COM-LOG and the following communication log will be displayed.

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