When use scanner, there is no data but scan-light on.

There are two reasons for this problem
1) The barcode is not open, please scan with the Internal Camera

1. Open the Barcode Scanner app
2.  Barcode scanning with the camera > Show barcode type
3. Go to the Scan app
4.  Touch Barcode
5.  Select the corresponding barcode type
6. Click on Enable > Touch Open > Confirm

Tips: Once configured, the test can be scanned in the Content dialog.

Figure 2- 4 Open barcode to be scanned

2) Change scan output method to keyboard output
1. Go to Scan App
2.Touch Settings > Output Mode > Keyboard Mode

Figure 2- 5 Select keyboard output mode