Update....
Since I noticed the erratic movemets on the x- and y-axis, I replaced the stepper motors. 4 Euro each, no big deal.
I was successful right away. I printed one of my items just perfect. When I printed the second part (same file, same Settings !!!)
The problem came up once again in mid print... (see below...the one on top was printed immediatly after the replacement...)
What was different this time was that the movement was not erratic any more but the stepper of the filament feeder made strange toc-toc-noises. When I checked, I found that I could feel the filament frequently being retracted, as if the stepper receives a reverse pulse....
This was not the case when I made the first print !!!
I checked with a third spare motor which immediatly worked without problems. I then tried the very first stepper I replaced once more. Same toc-toc-noise. So the motors I have used for printing both now have the problem, the spare left does not...
Is it likely that the stepper drivers of the printer somehow kill the steppers ?
I am not familiar with this type of motor...
Any ideas ? Do I have to replace the Mainboard of the printer ? What do you think ?
I would hate my last spare to be screwed just after a few minutes of printing...
Edited by Andy6583
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Most of the OEMS I have seen are versions of 1.5X.
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