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FW 3.9.3 stability  

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Snympi
(@snympi)
Active Member
FW 3.9.3 stability

I recently built my MK3S+ and it is working beautifully. It came installed with FW 3.9.2 which works well and is stable. I wanted to upgrade when I saw that FW 3.9.3 is available, but over on the GitHub site for the firmware, there is an issue about a FW 3.9.3 instability:

[BUG]Flashing 3.9.3 to MK3S fails · Issue #2954 · prusa3d/Prusa-Firmware (github.com)

I wanted to ask in this forum if any members have experienced any issues with 3.9.3 on a MK3S+ while or after upgrading. Some of the issues were specifically on recent MK3S+ kits, so I don't want to take chances trying to flash the FW. Any confirmations would be appreciated.

Postato : 25/01/2021 5:53 am
hli
 hli
(@hli)
Trusted Member
RE: FW 3.9.3 stability

When something goes wrong, you can go back to 3.9.2 easily. So just test it and see what happens.

Postato : 25/01/2021 12:10 pm
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cwbullet
(@cwbullet)
Utenti
RE: FW 3.9.3 stability

No issues with update.  

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

Postato : 25/01/2021 2:17 pm
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Cynan
(@cynan)
Estimable Member
RE: FW 3.9.3 stability

Updated fine for me as well. Upgraded to MK3S+ parts, reset firmware to factory and reran the wizzard. All good. I did find that my Live Z is now lower (more negative) than before, but nothing wrong with that in itself. I did try putting the pinder slight higher up, but that then caused the nozzle to hit the bed during XYZ calibration. I suspect this is more an issue with differences between the PINDAv2 and the SuperPINDA which I swapped too than the firmware though.

Postato : 25/01/2021 5:33 pm
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3DMark
(@3dmark)
Active Member
RE: FW 3.9.3 stability

I have the same problems with my mk3s as described on github. 

MK3S - PrusaSlicer 2.3.1 - Slack Lack Enclosure

Postato : 05/02/2021 3:17 pm
Snympi
(@snympi)
Active Member
Topic starter answered:
RE: FW 3.9.3 stability

@All, thanks for your feedback. I've updated my MK3S+ to 3.9.3 and the process went fine and the printer is performing as usual. Calibration was preserved as well, so all is normal and as it was on 3.9.2

Postato : 06/02/2021 10:16 am
cwbullet
(@cwbullet)
Utenti
RE: FW 3.9.3 stability

@snympi

Good to know.  If you have problems, make sure you put them on GitHub to help the DEVs.  

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

Postato : 06/02/2021 4:11 pm
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