The Machine Cannot Be Detected In The Wireless Lan - Canon PIXMA E481 Online Manual

The Machine Cannot Be Detected in the Wireless LAN

Make sure that the machine is turned on.
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Is Change LAN in LAN settings under Device settings set to LAN inactive?
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When the machine is connected to the computer temporarily using a USB
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cable, make sure that the USB cable is connected properly.
When you set up the wireless LAN connection or change the wireless LAN settings using IJ Network Tool
through USB connection, make sure that the machine is connected to the computer with a USB cable securely.
Connecting the Machine to the Computer Using a USB Cable
Make sure that the machine setup is completed.
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If not, perform setup according to the instructions on our website.
When using IJ Network Tool, click Update to search for the machine again.
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Canon IJ Network Tool Screen
Make sure that the network settings in the machine are identical with those of
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the wireless router.
Refer to the instruction manual provided with the wireless router or contact its manufacturer to check the wireless
router settings, and then modify the machine settings.
How to Set an Encryption Key
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 the machine is not placed far away from the wireless router.
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The wireless router is located indoors within the effective range for wireless communication. Locate the machine
within 164 ft. / 50 m from the wireless router.
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.
Make sure that the network settings of the computer are correct.
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Make sure that the computer can communicate with the wireless router over the wireless LAN.
Make sure that the firewall of the security software is disabled.
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