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wjuniorbr

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  1. I actually have a ultimaker reprap called joysmaker r2, this url will show some pics of it, mine is the wooden one: http://item.taobao.com/item.htm?id=16857610502 I also added here some pics of my printer head so you could see. It´s pretty similar to ultimaker original as they went open source, they made some changes in the next release the r2, the same as mine, they added a heated bed, the design a little and some other small modifications that I don´t know. What you said actually makes sense, as it moves the wire would short circuit or something. But mine doesn´t seem to have an extra set of wires. I was thinking the wires of the thermometer are to blame? what do you think, maybe the heater wires instead? And where exactly right on the base of the thermometer/heater or along the way? and if right on the base, is there a way for me to chage it there? it looks like there´s now way to get inside the heater or the thermometer, and the wires look as though they are going straight inside without any connection to fix it.
  2. When I send something to print, it will heat up fine (I even measured with an external thermometer) then when it stabilizes the head will start moving to print, at this point the reader changes the temperature about 20 to 30 degrees down, and of course the controller think it needs to heat more, so it continues printing but it will be actually 20 to 30 degrees higher. I always had this problem since I bought the printer (about 4 or 5 months ago), but I was able to print, only when I wanted to print something like two cilinder towers apart from each other, when the head has to print one then travel to the other cylinder without printing and print the other, in that case I would have "webs" between them, which I´m guessing now it was because it was getting too hot and melting to fast downwards. But now it´s changing to much, and to lower, so it heats up too much, I already lost 1 insulator, it melted. Has anybody gone through something like this and has some experience to share to help me? thanks in advance
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