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To me this doesn't look like layer shifts, but rather like a combination of changing of direction of printing (e.g. from clockwise to anti-clockwise), combined with mechanical play in the system? Because the ringing-effect also changed. Maybe try printing a small testmodel where this occurs: print one test quite fast, and next time quite slow? And see if that gives any difference? Printing slower should give better results.
But apart from that, I am not familiar enough to give info on how to solve it.
Ive had this same problem on my S5 since i got it, all be it not as bad as yours. Mine seems to happen when the geometry of the print changes abruptly. Ive tightened everything down and still have the same issue. I still have a a month or so on a S3D subscription and will try to print the same model with as close to same settings as possible and use that to see if this is mechanical or software.
This is printing using latest Cura, Engineering preset with 0.15 changed to 0.2 and thats it.
what you have looks was more severe, check that your shafts are sticking to the pullys. you can do this by taking a black market and marking both at the point where they meet, reprint and see if they are no longer aligned. red lines on uploaded pictures show what i mean.
I printed another cube slower this time, with the same rest of the settings. I also marked the shafts. After the print, the shaft and pulleys were still aligned. There still is an indent on the bottom side of the x-face and the opposite face, although the indents and wavy patterns are different on the cubes. The cube on the left is the one printed at the normal speed recommended on Cura, and the cube on the right is printed at a slower speed. I don't know if this is a significant improvement, is there anything else I could adjust other than the speed?
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Cura 5.7 is here and it brings a handy new workflow improvement when using Thingiverse and Cura together, as well as additional capabilities for Method series printers, and a powerful way of sharing print settings using new printer-agnostic project files! Read on to find out about all of these improvements and more.
S-Line Firmware 8.3.0 was released Nov. 20th on the "Latest" firmware branch.
(Sorry, was out of office when this released)
This update is for...
All UltiMaker S series
New features
Temperature status. During print preparation, the temperatures of the print cores and build plate will be shown on the display. This gives a better indication of the progress and remaining wait time. Save log files in paused state. It is now possible to save the printer's log files to USB if the currently active print job is paused. Previously, the Dump logs to USB option was only enabled if the printer was in idle state. Confirm print removal via Digital Factory. If the printer is connected to the Digital Factory, it is now possible to confirm the removal of a previous print job via the Digital Factory interface. This is useful in situations where the build plate is clear, but the operator forgot to select Confirm removal on the printer’s display. Visit this page for more information about this feature.
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geert_2 557
To me this doesn't look like layer shifts, but rather like a combination of changing of direction of printing (e.g. from clockwise to anti-clockwise), combined with mechanical play in the system? Because the ringing-effect also changed. Maybe try printing a small testmodel where this occurs: print one test quite fast, and next time quite slow? And see if that gives any difference? Printing slower should give better results.
But apart from that, I am not familiar enough to give info on how to solve it.
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Hops 3
Ive had this same problem on my S5 since i got it, all be it not as bad as yours. Mine seems to happen when the geometry of the print changes abruptly. Ive tightened everything down and still have the same issue. I still have a a month or so on a S3D subscription and will try to print the same model with as close to same settings as possible and use that to see if this is mechanical or software.
This is printing using latest Cura, Engineering preset with 0.15 changed to 0.2 and thats it.
what you have looks was more severe, check that your shafts are sticking to the pullys. you can do this by taking a black market and marking both at the point where they meet, reprint and see if they are no longer aligned. red lines on uploaded pictures show what i mean.
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Reina 0
I printed another cube slower this time, with the same rest of the settings. I also marked the shafts. After the print, the shaft and pulleys were still aligned. There still is an indent on the bottom side of the x-face and the opposite face, although the indents and wavy patterns are different on the cubes. The cube on the left is the one printed at the normal speed recommended on Cura, and the cube on the right is printed at a slower speed. I don't know if this is a significant improvement, is there anything else I could adjust other than the speed?
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