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Firmware 3.4.1-RC1 for Original Prusa i3 MMU2  

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Jakub Dolezal
(@jakub-dolezal)
Member Admin
Firmware 3.4.1-RC1 for Original Prusa i3 MMU2

THE FINAL VERSION 3.4.1 is out: https://shop.prusa3d.com/forum/general-discussion-announcements-and-releases-f53/firmware-3-4-1-final-for-original-prusa-i3-mk3-mk2-t24969.html

Hi guys,
new firmware 3.4.1 is out! Note we are currently in release candidate stage, this build is for experienced users 😎

What is new?
- Stealth mode fixed
- "The filament sensor response is poor, disable it?" temporarily disabled
- Bug fixes

Stealth mode fixed
This issue manifests itself as slow Z-axis movements. This was caused by a bug in storing custom values to EEPROM (M500 and M501 G-codes). These two G-codes were updated to avoid a similar issue in the future.

"The filament sensor response is poor, disable it?" temporarily disabled
This was a new feature introduced with filament sensor engine 2.0. Unfortunately, this feature seems to be too sensitive and unreliable so we disabled it for now and we are working on the improved version of it.

Bug fixes
- Filament runout detection bug #1154 fixed
- Stealth mode bug #1152 fixed
- Statistics during active print bug #1151 fixed
- OctoPrint "Printer reset detected" warning #1184 issue fixed

Supported printers:
Original Prusa i3 MK3
Original Prusa i3 MK3 Multi Material 2.0
Original Prusa i3 MK2.5

Download link:
https://github.com/prusa3d/Prusa-Firmware/releases/tag/v3.4.1-RC1

Previous releases:
This is an initial release from the 3.4.1 branch

Firmware flashing guide:
http://manual.prusa3d.com/Guide/Upgrading+firmware+v1.2/66?lang=en
Note: Use the latest Slic3r PE 1.41.0 to flash the MK3 MMU2

Please report any bug here:
https://github.com/prusa3d/Prusa-Firmware/issues

As always, we wish you happy printing and look forward to your feedback!

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Posted : 29/09/2018 9:49 pm
Paul Meyer
(@paul-meyer)
Honorable Member
Re: Firmware 3.4.1-RC1 for Original Prusa i3 MMU2

Thanks for the work, guys. Keep it coming!

Just to confirm: the independent bowden length calibration for each filament is not in this, correct? I'm assuming its not, as it would have been mentioned, but thought it was worth a check.

Posted : 30/09/2018 2:27 am
Jakub Dolezal
(@jakub-dolezal)
Member Admin
Topic starter answered:
Re: Firmware 3.4.1-RC1 for Original Prusa i3 MMU2

Hi Paul,
it is not included yet, we are currently working on it.

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Posted : 30/09/2018 1:18 pm
AbeFM
(@abefm)
Member
Re: Firmware 3.4.1-RC1 for Original Prusa i3 MMU2


Hi Paul,
it is not included yet, we are currently working on it.

Is it likely to show up in RC2?

I maintain an informal list of San Diego, CA 3D printing enthusiasts. PM me for details. If you include a contact email and I can add you to the informal mailing list.

Posted : 30/09/2018 11:34 pm
Jakub Dolezal
(@jakub-dolezal)
Member Admin
Topic starter answered:
Re: Firmware 3.4.1-RC1 for Original Prusa i3 MMU2

Hi,
the bowden calibration is a part of the MMU2 unit, which is a different firmware. It is not related to the MK3 firmware.

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Posted : 05/10/2018 11:43 am
Jakub Dolezal
(@jakub-dolezal)
Member Admin
Topic starter answered:
Re: Firmware 3.4.1-RC1 for Original Prusa i3 MMU2

THE FINAL VERSION 3.4.1 is out: https://shop.prusa3d.com/forum/general-discussion-announcements-and-releases-f53/firmware-3-4-1-final-for-original-prusa-i3-mk3-mk2-t24969.html

Assembly manuals

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The guy behind Prusa assembly manuals...

Posted : 05/10/2018 11:44 am
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