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murtang

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  1. Hi I am having a problem with my UM2+ with the z-axis. The first centimeter or so of layers are fine but further up I am getting a layer which is barely there making a very weak point. I have printet a couple of objects and it seems as it is at the same z-height each time the problem is. I have attached two pictures of the problem. Any clue to what is wrong?
  2. It was a UM2 that was updated to UM2+. It was updated at the store where we got the UM2 in the first place. After getting it back, I started noting the problems with the extrusion and the feeder. I got the feeder wheel replaced at the store under warranty and it is now up and running perfectly. We do not know whether it was broken when we got it, or it has been weak and broke doing the first prints we made. I have not found any broken loose parts inside it or around the printer.
  3. Thank you all very much. I opened up my feeder and I can see that my feeder wheel is missing the outer ring which should fix it in the hole. I will try to order a new feeder and replace it.
  4. Hey. I have just updated my UM2 to UM2+. Unfortunately, I now experience problems when printing. The material is not coming out smoothly of the nozzle. If you lift up the tension lever on the feeder, it sometimes helps, but I cannot sit there all day holding the lever when printing. One thing I noticed is that the feeder wheel gets "offset" when I insert the material where I would expect the tension lever to be the one that moves away from the material. I have added a picture of the feeder with the "offset" feeder wheel. Is it supposed to be like this? I would be very happy if one of you could upload a picture of your feeder. For the record, I use 2.85mm PLA filament Thanks in advance
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