T.2.3.1 Did you use the USB transfer cable which is provided by Pro-face as an option (Model: CA3-USBCB-01)?

Cause

Other than the GP-4100 series, the USB cable for transferring projects may be the wrong format.

Solution

To transfer a project file through a USB cable, use the USB transfer cable (CA3-USBCB-01) optionally available from Pro-face.