T.2.3.1 Is the USB cable compliant for data transfer?
T.2.3.2 Is the driver for the USB cable installed?
T.2.3.3 Does the computer recognize the display unit? (GP-4100 Series (Monochrome Model))
T.2.3.4 Password entry is required during operation. (Have you set a password?)
T.2.3.5 Can you send a new project file?
T.2.3.6 Can you force a transfer by setting DIP switch 2 of the Display to ON?
T.2.3.7 Can you transfer the file from a different PC?
T.2.3.8 Unable to recognize the driver for the USB Data Transfer Cable