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6.4.0 Firmware for Prusa CORE One + & CORE One  

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Mchad65
(@mchad65)
Eminent Member
RE: 6.4.0 Firmware for Prusa CORE One + & CORE One

If support is one of your big concerns, you're in for a big surprise from the Bambu folks...

Posted by: @gbmaryland

Well, the Prusa Core one has officially been replaced. I think it's one of the best printing units available, and the ecosystem is far more flexible that others. It's the little things, such as the FW / instructions and, frankly, support when I needed it. We'll see how the P2S works for the small stuff.  Hopefully, the INDX will come out, not take a year to become mature, and be supported properly.

 

Postato : 19/01/2026 7:41 pm
GBMaryland
(@gbmaryland)
Estimable Member
RE: 6.4.0 Firmware for Prusa CORE One + & CORE One

oh I’m  already am aware of how crappy bambu support really is; however I was shocked when it turned out that Prusa gave me just as much of a runaround. “ I’m getting off shift in a few minutes, so we need to wrap this up…” and then proceeded to give me a solution that had nothing to do with the problem whatsoever.

Postato : 19/01/2026 9:16 pm
Mchad65
(@mchad65)
Eminent Member
RE:

Well, i don't have much to say about that. The probably 6 times I've contacted Prusa, I've gotten what I consider excellent, prompt support. Yes, sometimes I had to wait a minute or few between responses, but I got helpful responses nonetheless. Nothing I'd complain about. 

No offence, but are you "direct" when you chatted with them? Like one may be (understandably) when experiencing a frustrating problem? I only ask because I've found over my decades of dealing with various support teams that if the tone becomes adversarial, that can cause them to lose the motivation to be helpful. Don't get me wrong, I was born in the Bronx, NY and spent much of my professional career dealing with people with "NY attitude" which is, again, "direct?". It took me a while to tone it down when I moved to a softer part of my country...  

Anyway, just exploring any reason why we have such opposite opinions of their support. 

As I said, good luck with your P2S. It's a fine device. 

Posted by: @gbmaryland

oh I’m  already am aware of how crappy bambu support really is; however I was shocked when it turned out that Prusa gave me just as much of a runaround. “ I’m getting off shift in a few minutes, so we need to wrap this up…” and then proceeded to give me a solution that had nothing to do with the problem whatsoever.

 

Questo post è stato modificato 1 week fa 2 tempo da Mchad65
Postato : 19/01/2026 9:40 pm
hyiger
(@hyiger)
Noble Member
RE: 6.4.0 Firmware for Prusa CORE One + & CORE One

One huge benefit of owning a Prusa Core One is that if there is a problem, I'm 99% certain I can diagnose it quickly and repair it on my own. 

Postato : 19/01/2026 10:12 pm
2 persone hanno apprezzato
Jürgen
(@jurgen-7)
Noble Member
RE: 6.4.0 Firmware for Prusa CORE One + & CORE One
Posted by: @hyiger

One huge benefit of owning a Prusa Core One is that if there is a problem, I'm 99% certain I can diagnose it quickly and repair it on my own. 

The reason being that you already had to fix so many problems that you know the printer pretty well by now? Or that enough other users had the same problem, so you can trust to get good suggestions from the forum? 😉 

It does sound a bit like something a Lada driver might say... 😏 

Postato : 19/01/2026 10:29 pm
hyiger
(@hyiger)
Noble Member
RE: 6.4.0 Firmware for Prusa CORE One + & CORE One

 

Posted by: @jurgen-7

The reason being that you already had to fix so many problems that you know the printer pretty well by now? Or that enough other users had the same problem, so you can trust to get good suggestions from the forum? 😉 

It does sound a bit like something a Lada driver might say... 😏 

Well the answer is "yes"... Much easier to repair a steam engine than a rocket engine. 

Reason why my uncle never sold his 1971 Volkswagen Kombi. Of course the thing was always falling apart. 

Postato : 19/01/2026 10:48 pm
Mchad65
(@mchad65)
Eminent Member
RE: 6.4.0 Firmware for Prusa CORE One + & CORE One

Sounds like there may be another Bambu owner coming soon…

Posted by: @jurgen-7
Posted by: @hyiger

One huge benefit of owning a Prusa Core One is that if there is a problem, I'm 99% certain I can diagnose it quickly and repair it on my own. 

The reason being that you already had to fix so many problems that you know the printer pretty well by now? Or that enough other users had the same problem, so you can trust to get good suggestions from the forum? 😉 

It does sound a bit like something a Lada driver might say... 😏 

 

Postato : 19/01/2026 11:14 pm
Jürgen
(@jurgen-7)
Noble Member
RE:
Posted by: @mchad65

Sounds like there may be another Bambu owner coming soon…

Posted by: @jurgen-7

The reason being that you already had to fix so many problems that you know the printer pretty well by now? Or that enough other users had the same problem, so you can trust to get good suggestions from the forum? 😉 

It does sound a bit like something a Lada driver might say... 😏 

Personally I don't plan to switch to Bambu Labs. Like @hyiger, I think I have learned enough about the Core One now to keep it running successfully. If the INDX solution enables efficient multi-material printing (eventually), the Core One will provide all I need.

But when it comes to recommending a 3D printer to others, the balance has certainly shifted. Some arguments in favor of Prusa are still valid: European-made, good support, open ecosystem. But the "less frills, but more reliable" trade-off no longer seems true. While Bambu Labs are certainly not perfect, they do seem to take pre-launch beta testing much more seriously -- resulting in fewer design issues even though their designs are more complex. 

Postato : 20/01/2026 6:52 am
2 persone hanno apprezzato
GBMaryland
(@gbmaryland)
Estimable Member
RE: 6.4.0 Firmware for Prusa CORE One + & CORE One

Yeah, that's why I sold the Core One.  It was a bad experience with the MMU3 in both operation and limitation, as well as support (who basically blew me off and gave me a ridiculous answer).

I suspect INDX will have plenty of issues... and it just made sense to move one.  I loved the Core One, but it's a work in progress. If I want to have a crappy support experience, I can just own a few Bambu units.  Which, honestly, is all I own at the moment... and they do just work

Print quality on the Core One is actually very good. Especially since we got a better handle on the VFAs... But you just know that all the folks that purchased the bondtech INDX founders edition are really beta testers...

Postato : 26/01/2026 4:20 pm
hyiger
(@hyiger)
Noble Member
RE:

 

Posted by: @gbmaryland

But you just know that all the folks that purchased the bondtech INDX founders edition are really beta testers...

This may sound weird, but I'm actually looking forward to it being full of bugs and pulling my hair out getting it to work. It's part of the adventure. I'm planning to get a second printer for my other hobby that requires printing engineering plastics with very controlled temperatures, especially chamber. So I don't mind tinkering on the core one. If it worked right out-of-the-box I might get bored with it. 

Questo post è stato modificato 7 hours fa 2 tempo da hyiger
Postato : 26/01/2026 4:27 pm
2 persone hanno apprezzato
Mchad65
(@mchad65)
Eminent Member
RE: 6.4.0 Firmware for Prusa CORE One + & CORE One

I guess either I'm just the lucky one because my Core One+ has not failed me once. Except for when I tried some funky old filament. And I plan on buying the INDX as soon as its commercially available (I didn't make it to the founders option in time).

Just ordered an advanced filtration unit for the Core One so I can finally try some more Florida sun friendly materials for outdoor stuff. Already printed and built a "Ventobox" for my P2S. 

Postato : 26/01/2026 4:45 pm
Neal
 Neal
(@neal-2)
Trusted Member
RE: 6.4.0 Firmware for Prusa CORE One + & CORE One

I guess I am another lucky one, since my 6 months old Core One has not caused me any headache at all.
I am running 6.3.4 firmware, and now that this forum thread has aged without catastrophic widespread
reports of doom, I will upgrade to firmware 6.4.0 today.

@Mchad65:  I bought the Advanced Filtration add-on, and installed it yesterday.  It is an easy installation.

DISCLAIMER:  While I have not had any problem in my 6 months of ownership, I admit that I am a
rather inexperienced newbie to 3D printing, and only print occasionally for hobby, not business.
Therefore, my feedback/opinion may be worth as much as (multiple choice): dirt, sand, politicians,
dog output.

Cheers,

Neal

Postato : 26/01/2026 4:57 pm
2 persone hanno apprezzato
jan.d.slay
(@jan-d-slay)
Estimable Member
RE: 6.4.0 Firmware for Prusa CORE One + & CORE One

 

Posted by: @hyiger

 

Posted by: @gbmaryland

But you just know that all the folks that purchased the bondtech INDX founders edition are really beta testers...

This may sound weird, but I'm actually looking forward to it being full of bugs and pulling my hair out getting it to work. It's part of the adventure. I'm planning to get a second printer for my other hobby that requires printing engineering plastics with very controlled temperatures, especially chamber. So I don't mind tinkering on the core one. If it worked right out-of-the-box I might get bored with it. 

That doesn't sound strange at all. I can relate to your statement 100%. Tinkering, questioning mistakes, and optimizing are my hobbies, and together with 3D printing, they make for an incredibly enjoyable hobby.

Prusa Core One - Fast & Clean Start Gcode
Prusa XL - Quick Start Gcode
Postato : 26/01/2026 5:56 pm
hyiger
(@hyiger)
Noble Member
RE: 6.4.0 Firmware for Prusa CORE One + & CORE One

 

Posted by: @neal-2

I guess I am another lucky one, since my 6 months old Core One has not caused me any headache at all.

My C1 is also running smoothly it's just starting to get in the way. It's like driving my 1971 Volkswagen Kombi I inherited from my uncle. It's fun to drive but don't expect it to go over 90 km/h so driving it on the highway is out-of-the-question. Same with engineering filaments I want to work with. They are at the limit this printer can do. 

Postato : 26/01/2026 5:59 pm
1 persone hanno apprezzato
GBMaryland
(@gbmaryland)
Estimable Member
RE: 6.4.0 Firmware for Prusa CORE One + & CORE One

Like I said, I liked my Core One at a fundamental level... it's when I started try to get the MMU3 to work it was very wonky.  Everything from the purchasing experience to the support to the limitations.  

With out a doubt, the C1 is a good printer... it's just a really good Core X/Y single filament type printer.

Postato : 26/01/2026 10:07 pm
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