1. Check if the interface is connected correctly. (Whether it is plugged into the right interface)
2, check the data cable, try another data cable.
3, check the POS, try another gun.
4, POS machine whether there is access to other equipment, such as telephone, etc., unplug to try.
It is recommended to focus on checking the interface, data line, software aspects.
sick code scanner Ready flashing red light can be divided into the following 2 kinds of reasons:
1, the scanner gun wire damage, parameter settings are not correct.
2, the scanner is not properly connected to the computer, when this error occurs, turn off the scanner,then turn it back on to reset.
Note: The optical imaging component is an important part for the scanner gun. In the process of use, pay attention to keep the optical components clean, to avoid dust on the scanner gun's working performance and reduce the quality of scanning. In the cleaning, do not unauthorized demolition and repair, because the photoelectric conversion settings in the various optical components of the position requirements are very high, change the position of the optical components, will affect the bar code scanning gun imaging when the effect. Therefore, when cleaning, first scrub with a cleaner, let after a dry rag wipe clean can be.