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I've been having a problem lately with some minor layer shifting with my Ender 3. It just started recently and I've made no changes to the printer since it was working fine. The layer shifting is always on the X-axis and it's not a large amount. Just enough to render my prints useless. The shift can happen in either direction on the X-axis. See attached photo.

Things I've tried:

  1. Retensioning the belts

  2. Printing at slower speeds

  3. Checking all bed connections to make sure the bed is solid

  4. Reducing the jerk setting

  5. Activating Z-hop

  6. Reducing acceleration

  7. Increased retraction.

The problem occurs on multiple STL files that used to work fine.

Any help would be appreciated

Photo of a 3D printed model with random layer shifts along the X axis

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  • $\begingroup$ Did you reslize the model? $\endgroup$
    – Trish
    Jun 9, 2020 at 11:12
  • $\begingroup$ In the case of the model I show in the photo, I resized the top to stretch it a little taller. In other models that are showing the same layer shifting, I did not resize, $\endgroup$
    – Daknife
    Jun 9, 2020 at 15:11
  • $\begingroup$ not resize, RE-sliced. As in, did you print old G-code or freshly sliced one? $\endgroup$
    – Trish
    Jun 9, 2020 at 15:12
  • $\begingroup$ I've run prints with gcode files that predate this problem and the same shifting occurs. I even went so far as to uninstall Cura 4.5 and reinstall 4.1 and still get the layer shifts $\endgroup$
    – Daknife
    Jun 9, 2020 at 23:07
  • $\begingroup$ I know this is old, but from the picture these are very clearly not "layer shifts". There is no accumulation of error, just layer-dependent (direction-dependent?) minor displacement, which is always just lack of rigidity in some part of the motion/positioning system. $\endgroup$ Feb 16, 2023 at 15:23

1 Answer 1

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OK I found the answer. I removed the extruder cover and found that the 2 screws attaching the extruder assembly were loose. A very simple fix to a very irritating problem.

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