Quick update on the issue.
I've had tech check my Roland XR-640, here are the part numbers that had to be replaced in order to fix the issue:
1000006947 CABLE-CARD,12P1 2950L BB HIGH-V, 1pc
1000009651 GUIDE,CABLE FLEX-CUT XR-640, 2pcs
Now it all works fine, printer is back to normal. These...