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[yet another] X-axis layer shift  

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crispus
(@crispus)
New Member
[yet another] X-axis layer shift

Hi,

I'm new to 3d printing world and have some issues with my brand new mk3s+ (assembled from the kit). Self-test is ok, I calibrated the first layer and all axes, all screws are properly tighten, belts tension are ~260. I have good prints and sometimes bad prints. I'm using PLA (the silver one that came with the printer and a Prusament PLA black) with the default slicer params for each material.

It seems that the opposite faces from x-axys are pretty jagged. It happend or a simple RPI case, and some taller case, while calibration cubes are perfect...

RPi caseTaller casecalibration cubes

Do you have any advice?

Thank you!

Posted : 15/09/2021 2:08 pm
cwbullet
(@cwbullet)
Illustrious Member
Knowledge base (KB)

Look through this KB:

https://help.prusa3d.com/en/article/layer-shifting_2020/

I would check each item closely.  

--------------------
Chuck H
3D Printer Review Blog...
Posted : 16/09/2021 10:32 am
crispus
(@crispus)
New Member
Topic starter answered:

Hi @cwbullet,

Thanks for the response, but I already went through that material before creating this topic and check everything. There is nothing mentioned there that seems to be out of order.

I have the original spool holder and the motion of the spool is not smooth especially when the extruder moves on x-axis. How likely is to cause the issue?

Posted : 16/09/2021 2:00 pm
cwbullet
(@cwbullet)
Illustrious Member
Spool holder

I do not think it is the spool holder.

--------------------
Chuck H
3D Printer Review Blog...
Posted : 16/09/2021 2:45 pm
Dan Rogers
(@dan-rogers)
Noble Member
Loosen the 4 screws on the back of the X carriage holder

They are too tight.

Posted : 16/09/2021 4:03 pm
crispus
(@crispus)
New Member
Topic starter answered:

@dan-rogers: Dummy question: you mean this, right?

Posted : 16/09/2021 4:39 pm
Dan Rogers
(@dan-rogers)
Noble Member
Top two, bottom two.

Yes.  Top two are most impacting.  The one in the middle and the one on the bottom control the squeeze on the bottom bearing.

Posted : 18/09/2021 9:23 am
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