Canon printer PIXMA MG6821 User Manual

Network Communication Problems
Cannot Find Machine on Network
Network Connection Problems
Other Network Problems
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Cannot Find Machine on Network
Cannot Find Machine on Printers on Network List Screen
Cannot Find Machine on Check Printer Settings Screen
Cannot Find Machine on Wireless LAN
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Cannot Find Machine on Check Printer Settings ScreenIf the machine cannot be found on the  Check Printer Settings screen during network communications
setup, check the network settings and try again.
Cannot Find Machine During Wireless LAN Setup: Check 1
Important

Cannot Find Machine During Wireless LAN Setup: Check 1
Are machine and network device (router, etc.) turned on?
Make sure machine is turned on.
Confirming that the Power Is On
Make sure network device (router, etc.) is turned on.
If machine or network device is off:
Turn on machine or network device.
It may take a while for the machine and network device to become ready for use once they are turned on. Wait a while after turning on the machine or network device, and then click  Redetect on the Check...

Cannot Find Machine During Wireless LAN Setup: Check 2
Is machine set to allow wireless communication?Make sure the 
 or  icon is displayed on the touch screen.
If icon is not displayed: The machine is not set to allow wireless communication. Turn on wireless communication on the machine.
Once you have turned on wireless communication, click  Back to Top on the Check Printer Settings
screen to redo the network communication setup from the beginning.
If icon is displayed: Go to check 3.
Cannot Find...

Cannot Find Machine During Wireless LAN Setup: Check 3
Is machine connected to wireless router?
Use the icon on the touch screen to make sure the machine is connected to the wireless router.
If  icon is displayed:
Make sure the wireless router you are using is configured to use 2.4 GHz bandwidth.
For more on checking the setting of the wireless router, refer to the instruction manual supplied with the
wireless router or contact its manufacturer.
After checking the wireless router setting, make sure the...

If  icon is displayed:
Go to check 4.
Cannot Find Machine During Wireless LAN Setup: Check 4
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Cannot Find Machine During Wireless LAN Setup: Check 4
Does computer show same connected wireless router SSID as machine?Check the SSID of the wireless router for the machine on the touch screen.
Select  Setup on HOME screen and select  Device settings > LAN settings  > Confirm LAN settings  >
WLAN setting list .
Check your computer for the SSID of the wireless router it connects to.

Cannot Find Machine During Wireless LAN Setup: Check 5
Does your security software's firewall or computer operating systeminterfere with network communications setup?
The firewall of your security software or operation system for computer may limit communication betweenthe machine and your computer. Check the firewall setting of your security software or operation system or the message shown on your computer.
If firewall interferes with setup:

Cannot Find Machine During Wireless LAN Setup: Check 6
Check wireless router settings.
Check wireless router network connection settings, such as IP address filtering, MAC address filtering, and DHCP function.
Make sure the same radio channel is assigned to the wireless router and the machine.
To check the settings of the wireless router, see the instruction manual supplied with the wireless router or
contact the manufacturer.
After checking the wireless router settings, click  Redetect on the Check...