Firmware 3.1.0-RC2 for Prusa i3 MK2/S/MMU
 
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Firmware 3.1.0-RC2 for Prusa i3 MK2/S/MMU  

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Jakub Dolezal
(@jakub-dolezal)
Mitglied Admin
Firmware 3.1.0-RC2 for Prusa i3 MK2/S/MMU

UPDATE: There is a newer version of the firmware, please visit https://shop.prusa3d.com/forum/original-prusa-i3-mk2-f23/firmware-3-1-0-final-for-prusa-i3-mk2-s-mmu-t6632.html

Hi guys,
getting closer to the final release! Here is another release candidate!
Note we are still testing and this is for advanced users 😎

WARNING: If you are running RC1, please update to RC2. It is possible to reach a state, where the temperature regulation stops working. This can lead to printer damage.

What is new:

Most of the new features coming with 3.1.0 were described in the previous thread here: https://shop.prusa3d.com/forum/original-prusa-i3-mk2-f23/firmware-3-1-0-rc1-mk2-multi-material-mk2-s-mk1-t6112.html

Linear advance
- Colorprint (M600) didn't work properly. In certain situations, right after the M600 procedure, the printer stopped working and also temperature regulation didn't work. This is now fixed.
- New values for M900, please see GitHub for more

Wizard
- Fixed filament loading for MK2/S MMU
- New languages added

Files sorting
- Sorting process overall improved
- Works for subfolders
- Limit is 100 files in a folder

File completion check:
- After user canceled the print, because of the incomplete file, the printer still made few moves. This is fixed.

Other
- Sometimes the printer becomes very slow, fixed, see: #226
- M20 (list SD card) and M110 (set line number) fixed
- Host keepalive messages furthermore improved (Octoprint related)

For more details, please read the full changelog on GitHub (link is below)

Supported printers:
This firmware supports Prusa i3 MK2/S/MMU

Download link: https://github.com/prusa3d/Prusa-Firmware/releases/tag/v3.1.0-RC2
Updated flashing guide: http://manual.prusa3d.com/Guide/Upgrading+firmware+v1.1/66
Full changelog: https://github.com/prusa3d/Prusa-Firmware/releases/tag/v3.1.0-RC2

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

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Veröffentlicht : 31/10/2017 1:05 pm
ggg
 ggg
(@ggg)
Active Member
Re: Firmware 3.1.0-RC2 - MK2 Multi Material, MK2/S & MK1

Hi!

Would it be possible to extend filament unload the process?
Currently, I have to choose 4 times "filament unload" button if i want change filament.

Veröffentlicht : 03/11/2017 5:05 pm
pavel.i2
(@pavel-i2)
New Member
Re: Firmware 3.1.0-RC2 - MK2 Multi Material, MK2/S & MK1

Hello, can you check how your bowden lengths are set? You can do it by pressing reset button and then holding the knob. You will enter factory reset menu by this and there is "Bowden length" as last item in menu. Confirm by pressing button and you will see bowden lengths.
If you want to exit factory reset menu, just press reset button once more.

Veröffentlicht : 06/11/2017 4:02 pm
Jean-Marie Prigent
(@jean-marie-prigent)
New Member
Re: Firmware 3.1.0-RC2 for Prusa i3 MK2/S/MMU

Hi, just want to know what is the normal bowden length off MMU ?
On factory menu, bowden length are write 385mm for each one but mine aren't this length.
I was probably one of the first to receive MMU kit and mine bowden seems to be more equal to 370 mm (not exactly measured because I didn't remove them). Does someone know the length og first MMU batch ?

For this reason (I suppose it's linked), I must have decreased my retraction to 2.4 to avoid under extrusion. 😀

Veröffentlicht : 26/12/2017 4:12 pm
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