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What can we do if the barcode scanner can not read barcode

The barcode scanner can't scan barcodes sometime. To understand this situation, you must first understand that barcodes can be scanned but not transmit, or lasers can be output but barcodes are not scanned. You can scan the barcode but transmit data to the computer, that is, the computer is not connected to the barcode scanner. If the wired barcode scanner needs to check the port and cable, if it is the wireless barcode scanner, you must reset the paired cradle. If you still can't work,need return to the factory, check it. Look at the problem with the receiver. If you do not scan the barcode, you need to check if you have fallen over the scanner and there is nothing wrong with reinstalling the lens. There is too much dust on the dust-proof lens of the scanner. If you can see it, you can only return it to the factory for repair.barcode scanner
There are also several possible reasons for this:
1, did not open the function of reading this bar code
2. The bar code does not conform to the specification. For example, the necessary blank area is missing, the contrast between the bar and the space is too low, and the width and width ratio of the bar and the space are not suitable.
3, direct sunlight, the photosensitive device enters the saturation zone
4. The surface of the barcode is covered with transparent material, and the reflection is too high. Although the eye can see the barcode, the collector has strict reading conditions and cannot read it.
5. Hardware failure, contact your dealer for repair.
In the process of using, you will also encounter such a situation. After reading a barcode, the scanner will be dead. Due to the protection function of the scanner, if the barcode data transmitted is incorrect, it will automatically enter the protection state, thus preventing data lost. If the data that has not been successfully transferred is read, the scanner can be reused. If this happens, please check the connection and agreement carefully. After confirming the error, turn off the scanner and turn it on again to resume normal use.

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