Printing Speed Is Slow - Canon MG6400 series Online Manual

Printing Speed Is Slow

The machine may be printing out or scanning a large job issued from another
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computer.
Make sure that the radio status is good and adjust the installation positions
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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.
Make sure that there is no source of interference in your vicinity.
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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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