Canon PIXMA iX6820 Troubleshooting Guide - Page 10

Cannot Communicate with the Printer over the Wired LAN, Cannot Print from a Computer Connected

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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. Check9 Make sure that the channel set to the access point is valid to communicate with the computer, confirmed in Check 8. If not, change the channel set to the access point. Check10 Make sure that the firewall of the security software is disabled. 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. Check11 When using a router, connect the printer and computer to the LAN side (same network segment). If the problem is not resolved, perform setup 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 access point and the printer. Cannot Communicate with the Printer over the Wired LAN Check1 Make sure that the printer is turned on. Check2 Make sure that the LAN cable is connected properly. 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 with the Setup CD-ROM or perform it according to the instructions on our website. Cannot Print from a Computer Connected to the Network Check1 Make sure that the network settings of the computer are correct. For the procedures to set up the computer, refer to the instruction manual of your computer or contact its manufacturer. Check2 If the printer driver is not installed, install it. Install the printer driver with the Setup CD-ROM or install it from our website. Check3 When using wireless LAN, make sure that access control is not set to the access point. 10

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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.
Check9
Make sure that the channel set to the access point is valid to communicate
with the computer, confirmed in Check 8.
If not, change the channel set to the access point.
Check10
Make sure that the firewall of the security software is disabled.
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.
Check11
When using a router, connect the printer and computer to the LAN side
(same network segment).
If the problem is not resolved, perform setup 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 access point and the printer.
Cannot Communicate with the Printer over the Wired LAN
Check1
Make sure that the printer is turned on.
Check2
Make sure that the LAN cable is connected properly.
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 with the Setup CD-ROM or perform it according to the
instructions on our website.
Cannot Print from a Computer Connected to the Network
Check1
Make sure that the network settings of the computer are correct.
For the procedures to set up the computer, refer to the instruction manual of your computer or contact its
manufacturer.
Check2
If the printer driver is not installed, install it.
Install the printer driver with the Setup CD-ROM or install it from our website.
Check3
When using wireless LAN, make sure that access control is not set to the
access point.
10