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urosv

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  1. I fixed the problem. Since all measurements indicated that everything is ok i tried last one thing. The junction part of the heater cable was overheated and contact ware overheated also, so i replace the wires and solder them directly to heatbed and on the main board at the opposite side. So bad junction was the problem !
  2. Sensor impedance is 107 Ohm.
  3. Heater impedance = ~4ohm Voltage on heater cables: 24V (output at arduino side and voltage on heater) Current: 0A (no current) ---------------------------- already 1. changed cables 2. resolder wires at bedheater 3. re-measure twice everything Any suggestions ?
  4. Hi Guys, and thanks for your feedback and help. Illuminarti has the point saying extruder motor clicking back as it skips steps I updated the picture in first post what is the result of this. I already cleaned and heated the nozzle to 260 and also after that I printed a lot of stuff just to get knowledge of settings in Cura and my findings are that 95% of failed printing is due bad settings in gcode. I did not print again the problematic thing but rather I projected my own with some other preferences to overcome holes and skipping steps. Further more I'm attaching another image to be looked and if you give me feedback what could be wrong... Settings are here (profile2.ini)
  5. Hi guys. I just got brand new UM2 and started to using it with PLA. After a few prints and overall happiness i tried to use white ABS. It is noticeable harder so first push of filament in filament pusher area behind UM2 was noticeably harder. Then i tried to print some stuff but overall prints were bad looked and not solid at some thin areas. Then i also tried a Flex PLA and again no luck (maybe just settings and tuning). And now the problem. I finally replaced the filament back to PLA and i noticed that motor that fills the filament inside was randomly cogged and make small "kkk" noise, you guys i think call this retraction if im correct (at first usage of PLA there was not any of this sounds), so now always as this occur there is a lack of filament in print at this point for another few mm? Tried almost everything and also with a different Cura versions, retraction ON/OFF, distances etc. Heating from 200 to 240, silament delivery from 50 to 200%, speed from 20 to 150mm/s etc... Also tried to tighten/loosen the strength screw for cogwheel of the motor. On this picture it is the best possible way to print everything else was worse ! Every help is appreciated...
  6. Is it still avaliable... ? Da se ustaviš u Sloveniji ?
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