Re: [CAD_CAM_EDM_DRO] Weird parallel port issue

washcomp wrote:

>I've just powered up my new CNC setup and can't explain a bizzare
>event. I'm running Windows XP. My X and Z axis have no problem. I
>have the step line of my Y axis drive connected (through a breakout
>card) to parallel port pin 4 (and the Y direction is pin 5). When XP
>boots to its welcome screen, my Y axis stepper turns at a slow rate
>of speed. It continues to turn until I launch MACH2 (alpha) at which
>point it stops turning (and works as expected with the software). It
>will stay stopped even when I exit MACH2. I have a fourth axis on
>the breakout board that I can try, but I'd really like to know if
>anyone has a clue as to what is happening as I'd hate to waste the
>potential of the other axis.
>
>

Do you have a printer driver installed to this port? If so, I think you
should remove
it. It sounds like it may be getting what it considers an error
condition from the printer,
and is trying to clear the condition, or something like that.

Jon