If the printer isn't detected, try swapping the USB port or checking the Device Manager to see if it's appearing as an "Unknown Device" or "USB Printing Support".

: Click "Install" and wait for the "Successful" notification. 3. Port Configuration (Crucial Step)

Third result: a Vietnamese support page. Leo used Google Translate. The phrase “cổng COM không phản hồi” appeared seven times. COM port not responding. He tried three USB cables, two serial adapters, and a prayer.

Below are concise instructions and sources to get the complete driver package, firmware, and installation steps for the Xprinter XP-C260M thermal receipt printer.