Troubleshooting Guide - Canon imageRUNNERC1022 Service Manual

Chapter 12

12.1.3 Troubleshooting guide

imageRUNNER C1022 / imageRUNNER C1022i
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.
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.
12-10
F-12-28
F-12-29
0020-5151