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Cannot Communicate with Scanner via USB
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.
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.
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