USB Issues

I have a DK-8-KZ model
Firmware 2.0
software V4.0.
For a few days now when I connect the machine to the PC a message comes up saying that the connected device does not work or is not read correctly. I have to restart the machine many times before the connection is ok. Thanks to those who would like to help me.

You can try to replace the USB cable

È facile da trovare? Oppure devo ordinarlo?

The printer’s USB adapter cable should be OK, you can try

Thank you very much