The Original Prusa XL is showing the message "Overcurrent detected on USB port."
Error name: USB Port Overcurrent
Error code: #17306
The error is shown when there is a damaged cable on the LCD or any of its connections.
The most likely cause of this issue is damage to the LCD cable. Check the path between the LCD and the Sandwich board, and see if there are any parts that are broken or pinched.
In case there is no damage, check the cable connection to the LCD board and to the Sandwich board. Try reconnecting the connectors.