1. Why can't the POS machine money box suddenly close up and cannot be opened?
A: This phenomenon may be caused by the POS machine collecting money. The banknote slips into the back of the drawer of the cash box and jams the hook in the cash box, which prevents it from closing. Just pull out the drawer and take out the jammed banknotes; the cashbox won't open, check if the connection between the cashbox and the printer is connected; observe if the rails of the cashbox are deformed or have a hard object stuck. It is very difficult to close the cash box after opening it. Check if the foam in the cash box is taken out. If the foam has been taken out, check if the lock of the cash box is broken or the guide rail of the cash box is deformed.
2. Why does the POS cash register display always flash?
A: Check if the signal line connected to the POS cash register is loose, you can re-plug it. Or the adjustment button at the bottom of the display is not well connected and can be adjusted.
3, POS cash register display black screen?
A: A. Is there no power supply? Check the power supply status of the chassis power supply and the power cable. Check whether the interface and power cable of the main chassis are loose and the display is turned on. If the interface and the power cable are damaged or broken, replace them in time. Check whether the power supply fan is exhausted.
B. Is the power cable and data cable of the monitor connected? If the monitor is changed to another computer, it can be displayed normally.
C. Whether the data line of the display is broken or deformed.
D. If it is working, the computer has a black screen that is intermittent, which is affected by voltage instability, and will return to normal when the voltage is stable.
4, POS machine scanner can not scan the bar code?
A: Check the scanner wiring: the scanner should be connected to the keyboard interface or USB interface on the back of the POS machine, and then connected to the computer keyboard through another adapter of the scanner (not connected to the mouse port); host and scanner Or the wiring between the scanner and the keyboard is loose. If the wiring is loose, it may cause the computer to freeze.
5, POS machine small ticket printer can not play a small ticket?
A: The printer's power and data cable are loose; whether the printer self-test can pass (detection method: press the paper feed button (do not let go) when the printer is powered on, then turn off the power, stop for 3 seconds, turn on the power, Then release the paper feed button. If you can print the small ticket and there is no garbled, it means that the hard font is normal; whether the printer can print normally on other computers; whether the printer data cable is normal; whether the printer driver is installed properly.
Double Desk And Chair,Double School Desk,Double Table Chair,Double School Table
AU-PINY FURNITURE CO., LTD , https://www.jmaupiny.com