Ensure the printer is connected to power Check that the printer is connected to the computer via a USB cable Ensure that Excel files are not being printed on the receipt printer Ensure that no receipt exceeds 15 items in a single invoice Restart the ...
Check if the router is turned on by verifying the Power LED on the router Ensure the internet cable is connected to the router If using a switch, ensure it is properly connected to the router Verify that the internet cable is correctly connected to ...