P220 Stationary Barcode Scanner User Manual 45
Chapter 7 Troubleshooting
Q: There are some barcodes cannot be scanned.
A: Check the barcode type, open the barcode function; if it is verified, try to turn off.
Q: The barcode data is incorrect.
A: Check the error display of barcodes (all barcodes errors or specific barcode error)
Q: Barcode can be recognized but not displayed.
A: Firstly, confirm the working mode of the scanner. If it is in RS-232 serial port mode, you need to
connect with serial cable; if it is in USB virtual serial port mode, you need to connect with USB
cable, and the host accepts with serial port tool. Both modes need to ensure that the serial port
attribute of the serial port tool on the host is consistent with the serial port attribute of the device.
If it is connected to a HID virtual keyboard, then directly connected by a USB cable.
Q: Sighting Light and LED are not bright.
A: Check whether the device is powered on.
Re-plug the data cable.
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