Troubleshooting Guide - Canon iR3245 Series Service Manual

Chapter 12

12.1.3 Troubleshooting guide

iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
If the communication test with UGW results in FAIL, follow the troubleshooting steps described below.
(1) Initial procedures
1) Check connection
Is the status indicator LED for the HUB port to which the main unit is connected ON?
YES: Proceed to Step 2).
NO: Check that the network cable is properly connected.
2) Loop back address confirmation
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.
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F-12-8
F-12-9
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