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Cannot Communicate with Scanner via USB

  1. Check 1 Connect the scanner and computer correctly with the supplied USB cable.

    The USB connector is on the rear side of the scanner as shown in the illustration below.

    Important

    • The scanner is designed to produce optimal results when connected to a USB 3.0 or higher port with the supplied USB cable. Connect the USB cable supplied with the scanner to a USB 3.0 or higher port.
    • The supplied USB cable is for the scanner only. It cannot be used for other devices.
    • Connect the Type-C side to the scanner. For details, see Scanner Connection Method.
  2. Check 2 Your scanner may be locked.

    If IJ Scan Utility Lite or the application is running, exit it. Slide the scanner lock switch to the release position ( ), then reconnect the USB cable.

    For how to unlock the scanner, see Getting Started.