It has been reported that a communication error occurs when the scanner is connected via USB in the Windows 11 environment. This issue is considered to be derived from the operating specifications of the OS.
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Restore the registry When the scanner is connected to a computer with a camera or a computer that had a USB camera connected to it, the scanner may be unrecognized because Windows has imported a device ID that is incompatible with the WIA registry. Use the "Restoration Tool for Scanner Registry" to restore the registry.