Desktop POS cash register common troubleshooting tips

Desktop POS cash register common troubleshooting tips

In the past 20 years, global economy increased fast, our standard of living on the improvement and change

I believe everyone can appreciate, more and more supermarkets, restaurants, life services type 

of physical stores are springing up. And various stores are commonly in use desktop POS cash register

of course, will encounter many problems, the following I bring you desktop POS cash register 

common failures and troubleshooting tips.

Desktop POS cashier common troubleshooting tips

1, why POS cash register money box suddenly can not be closed, can not open? 

A: This phenomenon may be in the process of POS cash register money, bills slide into the back of the money box drawer, stuck in the money box hooks, resulting in the closure. Just pull out the drawer, take out the stuck banknotes on it; money box can not open, check the money box and the printer connection is connected; observe whether the money box guide deformation or a hard object jammed. Money box is difficult to close back after opening, check whether

 the foam in the money box out, if the foam has been taken out, check whether the money box lock fell or money box deformation of the rail.

2, POS cashier display why always flickering?

A: Check whether the signal line connecting the display to the POS cash register is loose, can be reinserted again. Or the bottom of the display adjustment button poor contact, can be adjusted to solve.

3, POS cashier display black screen?

A: A. Whether there is no power supply. Check the chassis power supply interface and power line energization, check the main chassis power supply interface and power line is loose and whether the display is open, if the interface and power line is broken and fractured should be replaced in a timely manner; confirm whether the power supply fan exhaust.

B, the monitor's power cable, data cable is connected; monitor to another computer whether it can be displayed normally.

C, whether the monitor's data line broken pin or deformation.

D, if you are working, the computer appears intermittent black screen, which is the impact of voltage instability, voltage stability will be restored to normal.

4, POS cash register scanning gun does not scan the bar code?

A: Check the scan gun wiring: the scan gun should be connected to the keyboard interface or USB interface at the back of the POS machine, and then connected to the computer keyboard through another adapter of the scan gun (never connect to the mouse port); whether the host and the scan gun or between the scan gun and the keyboard wiring is loose, if the wiring is loose may also cause the computer to crash.

5, POS cashier can not hit the small ticket?

A: whether the printer power and data lines are loose; printer self-test can pass (detection method: in the printer power condition, press the paper key (do not let go), and then turn off the power, stop 3 seconds, turn on the power, and then release the paper key) if you can print out small bills and no messy code that the hard font printing is normal; printer connected to other computers can be printed normally; printer data lines are normal; printer driver is installed properly.

Above, is about the desktop POS cash register common troubleshooting tips for the general desktop POS, if the market is more new intelligent cash register all-in-one machine, depending on the situation. Because the intelligent cashier all-in-one machine, has been the printing function, sweep code function, etc. in one, the structure and the traditional cash register will have some differences, I hope it will help you.