PeteUK

any luck in fixing the fault - ie finding the correct driver to get the pc to talk to the usb to serial connection of the plotter? ive tried multiple Ftdi drivers on multiple pcs ( xp /win7 /win 10 ) and still not getting a comms or plot , the A series drivers are out there somewhere but i cant find them all links are broken the usb chip inside the machine is a Philips chip PDIUSBD12. CZ4478 HUI002 the Id for the unrecognised USB device are: USB\VID_0471&pID_0630&REV_0100 USB\VID_047&PID_0630 Im totally stuck here , and need some help please:) ( ps mines a different serial number )