Check 1: The machine may be printing out or scanning a large job issued from another computer.
Check 2: Make sure that the radio status is good and adjust the installation positions while monitoring the radio status with IJ Network Tool.
Monitoring Wireless Network Status
Make sure that there is no barrier or obstacle between the access point and the machine. Wireless communication between different rooms or floors is generally poor. The metal, concrete, or timber including the metallic material, mud wall, or insulator may interrupt a wireless communication. If the machine cannot communicate with the computer over a wireless LAN for the wall material, place the machine and the computer in the same room or floor.
Check 3: Make sure that there is no source of interference in your vicinity.
Since a device such as a microwave oven uses the same frequency bandwidth, it may cause interference. Place the wireless devices as far away from the source of interference as possible.
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