LiDE400 series (PDF) User Manual (Mac)
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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