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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
Check7
the previous check.
If it is not, change the channel set on the wireless router.
Make sure security software's firewall is off.
Check8
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 printer is connected to an AirPort Base Station via LAN, make sure you use
Check9
alphanumeric characters for network name (SSID). (macOS)
If the problem is not resolved, click here and redo setup.
• Positioning:
Make sure there are no obstacles between the printer and the wireless router.
Cannot Connect to a Printer through Wireless Direct
Is the
Check1
If not, Wireless Direct is disabled. Turn on Wireless Direct.
Check the settings of your device (smartphone/tablet).
Check2
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
Check3
tablet).
Select the network name (SSID) for Wireless Direct specified for the printer as the connection destination for
devices.
Check the destination on your device.
icon displayed on the touch screen?
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