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stewe

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  1. Hello everybody. I have problems with my Ultimaker Original. It started 3 months ago. Temperature readings were inaccurate as it was too cold or too hot. PLA strated making bubbles. Ok, I though I need new temp sensor. Oredered 2 of them to prevent off times in future. So I replaced temperature sensor and started test print. Heated up to 220/220°C, but as soon as it started homing, the temperature drop to 190°C and printer continued with heating to 220°C. It reached 220°C again, but real temperature was in that moment about 250°C. I thought it was a bad temperature amplifier. So I changed the amplifier board. Same story. Reached print temperature of the test print, but as soon as it was homing (reaching 0;0;0), temp dropped to 189°C... Is there anybody with similar issue? Or does somebody have clue what is wrong? Thanks for every hint and tip!
  2. Thank you for help, the problem was in jumper on Z axis stepper, there were 3 jumpers instead of 2, so it wasn't stepping 1/8 as it should. Thank you again for your help
  3. Thank you! I spent a lot of thenths of hours reading this forum before ordering my own. I was prepared to fight X/Y skipping and other common prodblems, but I was paying attention to these things during the build, so the common problems are fixed. Only this Z axis thing... I hope that the problem is underscrewed coupling between stepper and screw. I will try to screw it properlly tomorrow and print something. Or could it be the updated firmware? I installed Cura 14.01 and it asked me to update firmware, so I did it.
  4. Hello guys. Today I finished my Ultimaker Original build. What a machine. I was impressed by the quality of the components during the build. After about hour of messing with bed leveling I made my first print. It was the Ultimaker robot which was loaded in Cura 14.01. I choose the quick settings in the simple version of settings and clicked print. The final product wasnt bad, but it is only 1/2 of the original height.(I got about 1,7cm instead of 3,3cm) I printed with PLA/PHA from ColorFABB on 203°C, blue tape, Cura 14.01 via USB. I also have Ulticontroller connected, but didn't used it. The second print was on expert settings, 0,1mm layer, set raft on, temperature 200°C, speed 50mm/s, travel 150mm/s, retraction on, printed 36min. But again, the layer thickness is about 1/2 height of the original. If I click to move bed in Z axis, it moves without problem and when I move it with my hand(machine disconnected from power) it is the smoothest movement of all my axes. Can somebody suggest me what could be the problem? Thank you for any suggestions and help
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