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JamesS
(@jamess)
Active Member
Y-axis fails

It started after the update to 5.1 reboot.  Y-axis test fails but it does not say why. During the test it moves fully to the back then the front. When the front hits/stops it fails. It moves smoothly through the whole range. I checked and retention-ed the belt and it is as it should be. Checked the Y-axis bearings and they look good as well.
What am I missing?

Opublikowany : 01/12/2023 3:47 am
JamesS
(@jamess)
Active Member
Topic starter answered:
RE: Y-axis fails

When I manually control the Y-axis it goes from -4 to 211mm.

Opublikowany : 01/12/2023 2:33 pm
Altruego
(@altruego)
Trusted Member
RE: Y-axis fails

5.1 is buggy. Have you tried re-flashing the firmware.  To do that you need to have the USB installed.  Then hit the reset button and when it says boot loader on the screen press and release the control knob.  This will put you into the manual firmware update routine.

Opublikowany : 01/12/2023 2:45 pm
DrNick
(@drnick)
Active Member
RE: Y-axis fails

Yo may want to try some suggestiosn from this thread

https://forum.prusa3d.com/forum/english-forum-original-prusa-i3-mk4-assembly-and-first-prints-troubleshooting/y-axis-fails/#post-686641

for some tightening the y belt tension helped and for others adjusting the bearing positions or putting something in front of the bearing so that the left bearing does not hit the front frame during calibration.

Overall it seems thaht 5.1 firmware is buggy

Opublikowany : 01/12/2023 7:26 pm
Altruego
(@altruego)
Trusted Member
RE: Y-axis fails

This issue has nothing to do with the hardware.  It's 100% a gcode issue. Right now I'm trying to understand if Prusa Slicer is creating the issue or if it is being corrupted when transferred to the printer.

Opublikowany : 01/12/2023 11:25 pm
JamesS
(@jamess)
Active Member
Topic starter answered:
RE:

Installed Firmware 5.0.1!
    Ran tests and it passed tests. Yay!
    Then printed a new print job, while it lasting longer (6-7mm vs under 1mm) still ended with a fail/clog!
Dropped back to PrusaSlicer 2.6.1, after uninstalling 2.7!
    Sliced and printed a new model and it lasted the same 6-7mm, also ending with a clog.
🙁
Wow, I had printed over 700 hours with things running smoothly then poo, poo!

This post was modified 10 months temu by JamesS
Opublikowany : 02/12/2023 4:41 am
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