I will see for the parameters tonight.
I found also a bowden tube problem.
I had a massive bronzefill problem. The head was full of bronze. The filament in the bowden tube was pretty hot. I found that the inner diameter of the bowden tube is too narrow the last cm.
I have to change it. Do you know if the bowden tube on the online store is compatible with the UM2 ?
Thanks
Gauthier
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gr5 2,295
3 things can cause this problem:
1) Defective printer
2) Printing too much material too fast
3) Printing too cold
What is your layer height, print speed, and nozzle temperature? You should not exceed half the volume shown in the dark blue line in this graph:
http://umforum.ultimaker.com/index.php?/topic/4127-um2-extrusion-rates-revisited/
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