Make sure there is no source of radio wave interference nearby

Check8

 Make sure there is no source of radio wave interference nearby.

If a device like a microwave oven that emits radio waves of the same frequency bandwidth as a wireless router
is nearby, it may cause interference. Place the printer as far away from the interference source as possible.

Check9

 Make sure 5 devices are already connected.

Direct connection does not allow more than 5 devices to be connected.

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