[KwartzLab] 3d printer progress

[Ben Brown]

Why don't we try the sprinter firmware then? The modifications to the 
electronics are minimal and it's apparently compatible with the Gen3 
electronics.

http://reprap.org/wiki/Sprinter_on_gen3

Ben

On 8/24/2011 1:12 AM, doug moen wrote:
> I tried printing the MakerGear "bracelet" pattern, using the gcode
> conversion web site recommended by our vendor TechZoneCom.
> It did not print correctly, there were a couple of problems.
>
> Kevin watched the print screw up with me, and noticed that there were
> some motor feed problems with the extruder, and diagnosed them by
> looking at the gcode. We established that the gcode interpreter in our
> firmware is not interpreting gcode correctly, in accordance with the
> specs on reprap.org (M108 has a totally screwed up implementation).
>
> The biggest problem was the Y axis screwing up, similar to what
> happened to Ben's print.  We didn't get to the root of this problem,
> but Kevin suggested that the gcode interpreter could be at fault, as
> above.
>
> I interpret this as meaning that a firmware upgrade is in order, and
> that the various modern printing software packages that we've uploaded
> recently are unlikely to work.  Until the firmware is upgraded, the
> original Mendel host software is the only thing we've had any measure
> of success with.
>
> For future reference, we are using these electronics:
> http://reprap.org/wiki/Generation_3_Electronics/Tech_Zone_Remix
>
> Doug.
>
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o Ben Brown
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