
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).
Check12
When the printer is connected to an AirPort Base Station via a LAN, use
alphanumeric characters for the name of the network (SSID).
If the problem is not resolved, perform setup again 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 Using the Access Point Mode
Check1
Make sure that the printer is turned on.
Check2
Is the access point mode disabled?
Enable the access point mode following the procedure below.
1.
Make sure that the printer is turned on.
2.
Press and hold the Wi-Fi button, then release the button when the POWER lamp flashes 3 times.
When the POWER lamp changed from flashing to lit, the access point mode is enabled.
Check3
Is the printer selected to connect external communication devices (e.g.
computers, smartphones, or tablets)?
Select an access point name (SSID) specified for the printer as a destination for external communication
devices.
Check4
Enter a password if you specify it for the printer.
Check5
Make sure that external communication devices are not placed far away from
the printer.
Do not locate external communication devices too far away from the printer.
Check6
Make sure that there is no obstruction.
Wireless communication between different rooms or floors is generally poor. Adjust the location of the devices.
Check7
Make sure that there is no source of radio wave interference in your vicinity.
If a device (e.g. microwave oven) using the same frequency bandwidth as the wireless station is placed
nearby, the device may cause interference. Place the wireless station as far away from the interference source
as possible.
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