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jakub.d
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Firmware 3.0.12-RC2 - MK2 Multi Material, MK2/S & MK1

Tue Jun 27, 2017 6:52 am

EDIT: This version is superseded by FW 3.0.12 FINAL, please see original-prusa-i3-mk2-f23/firmware-3-0- ... t5858.html

Hi guys,
we just released a new firmware version 3.0.12-RC2 and here are the most important changes:

MK2 Multi Material, MK2/S and MK1 are supported! No printer is left behind. There is even a special build of MK2 Multi Material with older 10a Rambo in our test lab to ensure all printers are covered ;)

Selftest is fixed for heater/thermistor test. The procedure was failing sometimes now works correctly. Our devs prolonged heating period to safely distinguish between working and faulty printer.

XYZ calibration is now more detailed. In previous versions, the failure of calibration process often ended up with the message "Consult the manual". However, now the printer informs you for example that the first four points are out of reach of the P.I.N.D.A. probe. For debugging purposes, it is also possible to see details of XYZ calibration in printer's menu. (Support -> XYZ cal. details)

Filament unload is using a different sequence. Previously the single material filament unload was started by slight extrusion. We observed issues with some filaments, so in this release, there is no extrusion or ramming prior to the unload.


Full changelog: https://github.com/prusa3d/Prusa-Firmware/releases
Download link: http://www.prusa3d.com/drivers
Updated flashing guide: https://prusa3d.dozuki.com/Guide/Upgrading+firmware/66

Note: for questions regarding Multi Material print please use this thread

Happy printing!

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christophe.p
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Re: Firmware 3.0.12-RC2 - MK2 Multi Material, MK2(S) & MK1

Tue Jun 27, 2017 7:39 am

jakub.d wrote:Hi guys,

MK2 Multi Material, MK2(S) and MK1 are supported! No printer is left behind. There is even a special build of MK2 Multi Material with older 10a Rambo in our test lab to ensure all printers are covered ;)
This ! This is what make you so special and awesome ! :)
I'm like Jon Snow, I know nothing.

john.m7
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Re: Firmware 3.0.12-RC2 - MK2 Multi Material, MK2(S) & MK1

Tue Jun 27, 2017 9:19 am

I've started getting thermal runaway errors again that I hadn't seen for a few releases.

I've rolled back to May's MK2 release for now.

Anyone lese seeing this ?

Also - does a firmware flash loose PID calibration settings ?

Thanks

J

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jakub.d
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Re: Firmware 3.0.12-RC2 - MK2 Multi Material, MK2(S) & MK1

Wed Jun 28, 2017 12:14 pm

john.m7 wrote:I've started getting thermal runaway errors again that I hadn't seen for a few releases.
Hi, those runaway errors are random or in the same situation (heating up vs during print).

Let me know ;)

john.m7
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Re: Firmware 3.0.12-RC2 - MK2 Multi Material, MK2(S) & MK1

Wed Jun 28, 2017 9:19 pm

During Printing - I had them a few months back but some tweaks to the fan cowl and PINDA adjustments sorted it,

Rolled back one release to the May MK2 and they have gone away again ....

J

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jakub.d
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Re: Firmware 3.0.12-RC2 - MK2 Multi Material, MK2(S) & MK1

Fri Jun 30, 2017 1:47 pm

What kind of material and temperature settings are you using? I forwarded your feedback to the firmware developer.

philip.d4
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Re: Firmware 3.0.12-RC2 - MK2 Multi Material, MK2(S) & MK1

Mon Jul 03, 2017 12:36 pm

I too got manythermal runaways on the heated bed, printing ABS at 100 degrees celcius. It started ok, after a certain time, the temperature was dropping. I checked the thermistor and the cable, cable was fine, thermistor was not loose. Sliced with Cura,

Please see enclosed picture. For now I am printing PET, at 90 degrees hotdbed temperature, no problems yet...
Attachments
2017-07-03_12-49-38.jpg
2017-07-03_12-49-38.jpg (95.51 KiB) Viewed 1361 times

john.m7
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Re: Firmware 3.0.12-RC2 - MK2 Multi Material, MK2(S) & MK1

Mon Jul 03, 2017 1:47 pm

jakub.d wrote:
Fri Jun 30, 2017 1:47 pm
What kind of material and temperature settings are you using? I forwarded your feedback to the firmware developer.
It was just stard PLA (rigid Ink) at 215

Its been fine and stable since the roll back

J

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jakub.d
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Re: Firmware 3.0.12-RC2 - MK2 Multi Material, MK2(S) & MK1

Tue Jul 04, 2017 7:55 am

Guys thanks for the feedback so far, forwarded to the firmware development.

Jakub

markusb
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Re: Firmware 3.0.12-RC2 - MK2 Multi Material, MK2(S) & MK1

Tue Jul 25, 2017 7:48 am

I've just installed the 3.0.12 firmware thats currently available on the main download page and I've noticed that the e-step value for the extruder isnt stored properly and constantly changes back to the firmware default. Is anyone else experiencing this?

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