Canon MG5600 series Online Manual page 529

Make sure that the firewall of the security software is disabled.
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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.
When using a router, connect the machine and computer to the LAN side
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(same network segment).
When the machine is connected to an AirPort Base Station via a LAN, use
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alphanumeric characters for the name of the network (SSID).
If the problem is not resolved, perform setup according to the instructions on our website.
• For placement:
Make sure that there is no barrier or obstacle between the access point and the machine.
Cannot Communicate with the Machine Using the Access Point Mode
Make sure that the machine is turned on.
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Is Change LAN in LAN settings under Device settings set to Disable LAN
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or Wireless LAN active?
Select Access point mode active.
Is the machine selected to connect external communication devices (e.g.
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computers, smartphones, or tablets)?
Select an access point name (SSID) specified for the machine as a destination for external communication
devices.
Enter a password if you specify it for the machine.
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Make sure that external communication devices are not placed far away from
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the machine.
Do not locate external communication devices too far away from the machine.
Make sure that there is no obstruction.
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Wireless communication between different rooms or floors is generally poor. Adjust the location of the devices.
Make sure that there is no source of radio wave interference in your vicinity.
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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.
Are you trying to connect 6 devices or more?
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