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X-Axis Error during Self-Test / Belt Test  

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Durahl
(@durahl)
Estimable Member
X-Axis Error during Self-Test / Belt Test

Watching THIS VIDEO my to an i3 MK3S+ rebuilt Printer now keeps insisting on showing my an X-Axis Error despite having 255mm of travel during Jogging with reportedly having had 229mm of Belt Length beforehand - What is going on?

Best Answer by Dan Rogers:

X axis is very sensitive to bearings on X being squeezed too tightly.  Loosen your X carriage screws three turns each and see if it goes away.

If they fall out, put them back in and only tighten the carriage a little bit - Top ones do all of the work.  The bottom ones can be almost falling out and your prints will be sweet on X.

 

Posted : 06/09/2021 8:11 am
cwbullet
(@cwbullet)
Member
thread

Thread that might help:

https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-others-archive/self-test-error-x-axis-length/

--------------------
Chuck H
3D Printer Review Blog

Posted : 06/09/2021 11:51 am
Dan Rogers
(@dan-rogers)
Noble Member
RE: Loosen the X carriage.

X axis is very sensitive to bearings on X being squeezed too tightly.  Loosen your X carriage screws three turns each and see if it goes away.

If they fall out, put them back in and only tighten the carriage a little bit - Top ones do all of the work.  The bottom ones can be almost falling out and your prints will be sweet on X.

 

Posted : 06/09/2021 1:12 pm
Durahl liked
Durahl
(@durahl)
Estimable Member
Topic starter answered:
That did the trick!


Thanks mate...

Since my OP I've basically taken apart like half the E and both Z-Axis and rebuilding it taking extra care with the Umbilical exiting the rear of the E-Axis to the point where I was fearing for my life for getting squatted because how tight I bound that ZipTie Area and still couldn't get it to work.

Until I loosened up those 4 screws and it worked again 🙄

Posted : 06/09/2021 5:19 pm
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