I'm not sure which settings cause it, but Skeinforge can put an M104 S0 somewhere at the start, this disables the heater at the start. Which is quite bad.
Printing PLA at 250C is a bit high, when I tried 250C it started to smell pretty bad. At 230C PLA flows like crazy, and at 190C you can print. So depending on the speed you want to print you can use anything in between.
People say that SkeinPyPy is pretty good:
https://github.com/daid/SkeinPyPy/downloads
(And I'm not just saying that because I made it )
SkeinPyPy assists you in upgrading to Marlin, which gives better print results. And all the defaults are fine and safe so you can start printing without any configuration tinkering really.
There is a bug in the Beta4, during the "First run wizard" in the final step, the heatup button does not work (Known and fixed for the next version)
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ddurant 0
1: don't heat up to 250 - that's too hot. I'm using 225 now, which works well on my machine. Starting with the machine cold, heat up to 230 and watch for plastic oozing out of the nozzle - a few (or maybe 10) degrees above the temperature that it starts doing that is a good place to start.
2: if you're slicing with skeinforge, check the Temperature module. For now, just set all the values to the same number.
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