Cause: Problem of computer USB port or hardware of compatible devices.
Solution:
Enter the URL (http://dm.2dupay.com/wifi-config/wifiConfig.html) on the mobile phone or scan the QR code of the configuration page to enter...
Cause: The serial cable of the printer is not properly connected. Printer configuration error. Solution: Reconnect the serial cable;...
Connect the basic device to the computer USB port, and the device will be identified as the YRPPB device...
Environment 1: The white USB port supplies power. The black serial plug connects to the cashier counter. The black...
Cause: Problem of computer USB port or hardware of basic devices. Solution: Connect the device to another computer USB...
Cause: Blocked by security software or insufficient power supply from the USB port. Solution: Disable the camera protection function...
Cause: Blocked by security software or insufficient power supply from the USB port. Solution: Disable the keyboard protection function...
