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DavidR
(@davidr-2)
Active Member
Y axis issues

I've tightened, loosened, and rebuilt the y axis repeatedly. I've gotten all the other axis to configure and setup consistently and correctly.  However, i've gotten y axis to consistently configure, but it won't setup properly, being about 1/2 way off the mark.

Image link: https://photos.app.goo.gl/XTATZQ4NNkvWpoSw8

Postato : 08/05/2020 11:48 pm
DavidR
(@davidr-2)
Active Member
Topic starter answered:
RE: Y axis issues

A bit more clarification.

I purchased a MK3S kit.
Current Firmware version: 3.8.1-2869, have not updated.

After several rounds of troubleshooting, I've gotten the self-test to perform consistently. The X & Z axis line up properly. The Y Axis, however, appears to be about 1/2 cm off the mark, per the photo I've linked. As a result of this, the follow-up XYZ calibration fails, being unable to find the mark.

Things I've tried
Tightening the Y-Belt
Loosening the Y- Belt
Flipped the Frame holding the platform
Re-seated the drive wheel on the Y-motor.

Worked through several other troubleshooting threads.

Postato : 11/05/2020 3:13 am
DavidR
(@davidr-2)
Active Member
Topic starter answered:
RE: Y axis issues

and I lowered the probe 1/4 of a turn and it completed calibration. looks like the Y axis was not the issu

Postato : 11/05/2020 3:31 am
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: Y axis issues

Hi David, 

Does your Y axis move back and forward smoothly, by hand? 

if not you may have over tightened your Y axis Ubolts

Did you lube the linear bearings when you built the printer? 
YES I know what the assembly guide says... 
If not, now might be a good time... 
https://help.prusa3d.com/en/article/i3-printers-regular-maintenance_2072#rods-and-bearings  

Is your Y axis Belt adjuster the correct way round?

Could you be having issues due to friction? 

Is your Y motor toothed pulley touching the motor or mounting bracket

regards Joan

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK

Postato : 11/05/2020 10:14 pm
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