Gary, I just carried out the two experiments and setting from your last two posts.
I think I will try to find another printer cable. Yes you are correct that it does not have USB.
I notice when the Gravograph boots up it says "Boot 2.1" followed by "Version2.5"
I also went into the PC Bios to check the parallel settings. I scrolled through its options but it showed about 6 unrelated options, not ecp.
I dont have a spare cable so it may take a day or tow b4 I post back.
EDIT: Is there any way to avoid having to reload the job each time ?