Troubleshooting - Canon imageRUNNER ADVANCE C350 series Service Manual

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Technical Explanation > Embedded RDS > Troubleshooting

Troubleshooting

No.1
Symptom: A communication test (COM-TEST) results NG!
Cause: Initial settings or network conditions is incomplete.
Remedy 1: Check and take actions mentioned below.
1) Check network connections
Is the status indicator LED for the HUB port to which this machine is connected ON?
YES: Proceed to Step 2).
NO: Check that the network cable is properly connected.
2) Confirm loop back address (* In case of IPv4 )
Select [Settings/Registration] > [Preferences] > [Network] > [TCP/IP Settings] > [IPv4
Settings] > [PING Command], enter "127.0.0.1", and touch the [Start] button.
2 Technical Explanation > Embedded RDS > Troubleshooting
Does the screen display "Response from the host."? (See the next figure.)
YES: Proceed to Step 3).
NO: There is a possibility that this machine's network settings are wrong. Check the
3) Confirmation from another PC connected to same network.
Request the user to ping this machine from a PC connected to same network.
Does this machine respond?
YES: Proceed to Step 4).
NO: Confirm the details of this machine's IP address and subnet mask settings.
4) Confirm DNS connection
(a) Select [Settings/Registration] > [Preferences] > [Network] > [TCP/IP Settings] > [DNS
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details of the IPv4 settings once more.
Settings] > [DNS Server Address Settings], write down the primary and secondary
addresses of the DNS server, and touch the [Cancel] button.
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