If you are trying to print receipts in a USB printer in a POS system, follow the below troubleshooting steps to fix a connectivity error or a possible printing issue.
When you are trying to print a web page, click the three horizontal lines to the top-right or the menu button and click exit. In certain browsers, clicking the ‘x’ button to close the browser tab may not necessarily exit all tabs fully and may enable printing issues in the browser to persist. That is why you should exit the browser and then reopen it to retry printing.
Rebooting Windows differs as per the version of the OS you have installed in the system. In Windows 7, click Start on desktop, click on the arrow near Shut Down and select Restart from the list of options. In Windows 8 or later, you need to right-click on the logo icon to the bottom left on desktop, click Shut Down or Sign Out, and select Restart. Crosscheck whether the receipt printer is shown as online once the system reboots.
For that, click Start button and key in Devices and Printers on the search box to search Windows programs and files. In Devices and Printers see to it if the printer is listed online. If the printer icon is shown in a gray color, it suggests that the OS feels the printer is disconnected. If it is not shown as when the printer is online, skip to the next step.
If the printer is shown offline in Devices and Printers, then that suggests the device is not connected with the computer or it is not able to communicate with it. Try the below steps to troubleshoot that.
If all steps mentioned here fails to resolve receipt printer connectivity, get in touch with tech professionals for remote troubleshooting.