thanks for the reply!
For sure I am not giving up, I am only disappointed. As we say in Brazil, , "I got married to the Printer.". Now I will have to learn to live and love the machine, " make the lemon turns a lemonade' .
I will use some of your clues. thanks.
I can understand your anger very well. I had many thoughts just like yours. At first I did not recognize whether the machine is working correctly. For any issues we have I had to find suitable answers. That was a long process. After nearly two months of experimentation and nearly 1500 grams filament (scrap) and slight modifications, my UM2 produces reliably good to very good results.
Also, I have destroyed a temperature sensor due to inexperience, but I got fast and free replacement.
But I have also implemented an idea that has helped my machine to more independence.
The machine is certainly not perfect, but with the support here in the forum you could get it if you want to try it. You will also need some technical understanding. There are many experienced and helpful people here.
1: 3mm filament might work better if you put the lower opening of the small funnel fits somewhat. The filament should pass with little hand strength.
2: The reliability of the machine and improve the print quality you could optimize if you try out the described here:
3: Hot Print can improve material flow through the nozzle. Print colder it makes the filament transport heavy, but protects against even before burn-in.
4: Cura is constantly evolving. Do you have the latest version on your computer and the latest firmware in the Ultimaker?
5 Here I am, unfortunately, asks ...
6: Drag the little white plug. Check whether both metal contacts to the same depth sit in the plastic housing. Reconnect the electrical connector back on.
7: A Bowden clip from PLA would break quickly, it would have to be produced from ABS. The small bracket could also be replaced by a very narrow cable ties.
8: It would be a shame to give up, but surely everyone has a different amount of patience.
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