Troubleshooting Guide - Canon imagePRESS 1135 Series Service Manual

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Technology > eM Controller-E1 > Troubleshooting guide

Troubleshooting guide

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.
2 Technology > eM Controller-E1 > Troubleshooting guide
3) Confirmation from another PC connected to same network.
Does the main unit respond?
4) Confirm DNS connection
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Is the response from the host displayed?
Is the response from the host displayed?
a) Request the user to ping the main unit from a PC connected to same network.
YES: Proceed to Step 4).
NO: Confirm the details of the main unit's IP address and subnet mask settings.
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.
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.
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.
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