This issue might be caused by two factors: the scanner head is dirty or the hardware is faulty and needs to be sent for warranty service. I would advise you use professional help in case the scanner is damaged to prevent further damage.
Identify all of the devices that are being connected to your LAN network.
Removes unneeded devices from the menu, setup icons or names for the devices.
Configure your scanners while using Scanner Central Admin Agent.
This issue might be caused by two factors: the scanner head is dirty or the hardware is faulty and needs to be sent for warranty service. I would advise you use professional help in case the scanner is damaged to prevent further damage.