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Firmware 3.2.0 for Original Prusa i3 MK3  

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zyrain
(@zyrain)
New Member
Re: Firmware 3.2.0 for Original Prusa i3 MK3

Anyone else getting bad oozing at the start of the print, during the 9 point calibration with the new firmware? I never had this be a problem before the upgrade. I'm using the Prusa PLA. It's so bad that I need to ninja in there and snag it or else it leaves 9 ooze marks/strings on the bed.

Maybe this had to do with the temperature changes? I noticed that it overshoots by up to 5 degrees or so before correcting back down (which it also didn't do before. Before it reached temperature and pretty much stayed there).

Napsal : 16/05/2018 11:11 am
Chris
(@chris-16)
Reputable Member
Re: Firmware 3.2.0 for Original Prusa i3 MK3


Anyone else getting bad oozing at the start of the print, during the 9 point calibration with the new firmware? I never had this be a problem before the upgrade. I'm using the Prusa PLA. It's so bad that I need to ninja in there and snag it or else it leaves 9 ooze marks/strings on the bed.

Maybe this had to do with the temperature changes? I noticed that it overshoots by up to 5 degrees or so before correcting back down (which it also didn't do before. Before it reached temperature and pretty much stayed there).

yes i had noticed that. I never had oozing with PLA in the past, abs yes, PLA never. and now it oozes both.

Napsal : 17/05/2018 7:45 am
ed
 ed
(@ed-3)
Reputable Member
Re: Firmware 3.2.0 for Original Prusa i3 MK3



Anyone else getting bad oozing at the start of the print, during the 9 point calibration with the new firmware? I never had this be a problem before the upgrade. I'm using the Prusa PLA. It's so bad that I need to ninja in there and snag it or else it leaves 9 ooze marks/strings on the bed.

Maybe this had to do with the temperature changes? I noticed that it overshoots by up to 5 degrees or so before correcting back down (which it also didn't do before. Before it reached temperature and pretty much stayed there).

yes i had noticed that. I never had oozing with PLA in the past, abs yes, PLA never. and now it oozes both.

I've always had blobs on my heatbead from the 9 point calibration... I've all but eliminated them by using frieser's gcodes in the thread below, I did modify the end gcode as I didn't like having my print head raised and centered on the build plate. Sean's gcodes in the post are also nice but I never got around to replacing freiser's...

https://shop.prusa3d.com/forum/general-discussion-announcements-and-releases-f61/finished-my-mk3-kit-some-observations-t15919.html

Napsal : 17/05/2018 6:00 pm
CybrSage
(@cybrsage)
Honorable Member
Re: Firmware 3.2.0 for Original Prusa i3 MK3


Anyone else getting bad oozing at the start of the print, during the 9 point calibration with the new firmware? I never had this be a problem before the upgrade. I'm using the Prusa PLA. It's so bad that I need to ninja in there and snag it or else it leaves 9 ooze marks/strings on the bed.

Maybe this had to do with the temperature changes? I noticed that it overshoots by up to 5 degrees or so before correcting back down (which it also didn't do before. Before it reached temperature and pretty much stayed there).

Yes, very bad stringing that I did not get before the firmware update. I also never got stringing this bad using the same brand on my other printer.

I am rolling back to 3.1.3, it is that bad.

Napsal : 18/05/2018 7:01 am
Protoncek
(@protoncek)
Reputable Member
Re: Firmware 3.2.0 for Original Prusa i3 MK3

i think that problem might be because it seems that in this FW nozzle goes a bit lower than before - note that people had problems with nozzle hitting the bed with RC FW. Moving pinda probe a bit higher helps. I put pinda a bit higher and set my live-adjust Z somewhat bigger and blobs are gone.

Napsal : 18/05/2018 12:20 pm
neil.e
(@neil-e)
Estimable Member
Re: Firmware 3.2.0 for Original Prusa i3 MK3

New firmware out today that lists a fix for the wizard/live adjust: https://shop.prusa3d.com/forum/general-discussion-announcements-and-releases-f61/firmware-3-2-1-for-original-prusa-i3-mk3-t18474.html . Anyone feeling gutsy and want to take it for a spin?

Looks like this was the code change: https://github.com/prusa3d/Prusa-Firmware/commit/3eb21b65ed45d852716b0144b0f30cf54aa5ba33

Napsal : 18/05/2018 7:13 pm
Protoncek
(@protoncek)
Reputable Member
Re: Firmware 3.2.0 for Original Prusa i3 MK3

Hm... i guess that they have an error on their website: if i download FW from Prusa's www site then downloaded zip file says 3.2.1 while extracted file says 3.2.0.576...?
File, downloaded from github have correct name, though...

Napsal : 19/05/2018 9:57 am
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