Canon PRO-100S series Online Manual page 452

Make sure that the network settings of the computer are correct.
Check6
For the procedures to connect a network device to the computer and set them up, refer to the instruction
manual of your network device or contact its manufacturer.
Make sure that the radio status is good and adjust the installation positions
Check7
while monitoring the radio status with IJ Network Tool.
Monitoring Wireless Network Status
Make sure that a valid wireless channel is used.
Check8
The wireless channel to be used may be limited depending on wireless network devices installed in the
computer. Refer to the instruction manual provided with your computer or your wireless network device to
specify the valid wireless channel.
Make sure that the channel confirmed in Check 8 can communicate with the
Check9
computer.
If not, change the channel set to the wireless router.
Make sure that the firewall of the security software is disabled.
Check10
If the firewall function of your security software is turned on, a message may appear warning that Canon
software is attempting to access the network. If the warning message appears, set the security software to
always allow access.
If using any programs that switch the network environment, check their settings. Some programs will enable a
firewall by default.
When using a router, connect the printer and computer to the LAN side
Check11
(same network segment).
If the problem is not resolved, perform setup again with the Setup CD-ROM or perform it according to the
instructions on our website.
• For placement:
Make sure that there is no barrier or obstacle between the wireless router and the printer.
Cannot Communicate with the Printer over the Wired LAN
Make sure that the printer is turned on.
Check1
Make sure that the LAN cable is connected properly.
Check2
Make sure that the printer is connected to the router with the LAN cable. If the LAN cable is loose, connect the
cable properly.
If the LAN cable is connected to the WAN side of the router, connect the cable to the LAN side of the router.
If the problem is not resolved, perform setup again with the Setup CD-ROM or perform it according to the
instructions on our website.
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