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Make sure of the Wi-Fi channel numbers used for your computer.
Check7
You need to have the same Wi-Fi channel number that you are using for the wireless router as your computer.
It is normally set in the way that you can use all the Wi-Fi channels. However, when the channels that you are
using are restricted, the Wi-Fi channels do not match.
See the instruction manual provided with your computer and check the Wi-Fi channel number available for
your computer.
Make sure channel set on wireless router is a usable channel as confirmed in
Check8
Check 7.
If it is not, change the channel set on the wireless router.
Make sure security software's firewall is off.
Check9
If your security software's firewall is on, a message may appear warning you that Canon software is attempting
to access the network. If this warning message appears, set security software to always allow access.
If you are using any programs that switch between network environments, check their settings. Some
programs use a firewall by default.
If the problem is not resolved, click here and redo setup.
• Positioning:
Place the printer and wireless router where there are no obstacles between them.
Cannot Connect to a Printer through Wireless Direct
Check the power status of printer and other devices (smartphone or tablet).
Check1
Turn on the printer or devices.
If the power is already turned on, cycle the power switch.
Check printer settings.
Check2
Select Device settings > LAN settings > Wireless Direct > Switch WL Direct in this order and select Yes.
Check the settings of your device (smartphone/tablet).
Check3
Make sure Wi-Fi is enabled on your device.
For details, refer to your device's instruction manual.
Make sure printer is selected as connection for device (e.g. smartphone or
Check4
tablet).
Select the network name (SSID) for Wireless Direct specified for the printer as the connection destination for
devices.
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