RE: MK4S to Prusa CORE One Conversion kit Waiting list
My conversion kit was ordered on 2/01/25, shipping date changed again. 18 JUN to 24 JUN
RE: MK4S to Prusa CORE One Conversion kit Waiting list
Ordered within the first few hours. First had a moving date, from early June to early July with regular small changes. Now since a few days it's fixed at 30 June so far. Has the camera, filter, nozzle, some ASA filament. We'll see...
RE: MK4S to Prusa CORE One Conversion kit Waiting list
My conversion kit was ordered on 2/01/25, shipping date changed again. 20 JUN to 26 JUN.
There is no end.
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I cancelled my conversion kit order today. I’ve been waiting since Jan 31. But it wasn’t the wait that bothered me; it was the accumulation of quality issues. Bed leveling, nozzle cleaning, door sensor, load cell sensitivity, poor filtration design, vfa’s, orthogonal misalignment, belt tension, g-code workarounds, poor mmu implementation, and on and on. The final straw being the mismatched pitch between z-axis motors.
I guess someone else will get there’s a little sooner now. Good luck with it! I’ll wait for the Core Two S, or better.
MK4S/MMU3
RE: MK4S to Prusa CORE One Conversion kit Waiting list
This forum is on Prusa servers, maybe someone from Prusa responsible for this mess will write an explanation here? You use with impunity and without cost Our money!!!
RE: MK4S to Prusa CORE One Conversion kit Waiting list
I must agree with you. Core One is unfinished, not ready to work. I´m very disapointed with it. FW is -maybe - some alfa version, housing is full of crannys and gaps, so nobody can call it "fullclosed" Print speed is terrible in comparison with MK4S, print quality worse than anybody can imagine. My MMU3 so so so works with CoreOne but - still no official support -nearly half a year from introducing CoreOne on the market. I cannot recommend CoreOne.
I cancelled my conversion kit order today. I’ve been waiting since Jan 31. But it wasn’t the wait that bothered me; it was the accumulation of quality issues. Bed leveling, nozzle cleaning, door sensor, load cell sensitivity, poor filtration design, vfa’s, orthogonal misalignment, belt tension, g-code workarounds, poor mmu implementation, and on and on. The final straw being the mismatched pitch between z-axis motors.
I guess someone else will get there’s a little sooner now. Good luck with it! I’ll wait for the Core Two S, or better.
RE: MK4S to Prusa CORE One Conversion kit Waiting list
maybe someone from Prusa responsible for this mess will write an explanation here?
Not bloody likely. They have consistently avoided that for months.
If you want Prusa's attention, post a really loud complaint on Reddit, or better yet, find a Youtuber with some reach to make a video about it. That seems to be all they care about.
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My order delivery has changed from 1.7.-5.7 to 20.6-26.6 today
Looking forward to the delivery yesterday
RE: MK4S to Prusa CORE One Conversion kit Waiting list
Im happy about that I got my kit today. After more than half year and many many delivery date changes. My Mk4s already disassbled and I start to put it back together again. We will see of it was sorry to wait or it was a mistake to upgrade.
RE: MK4S to Prusa CORE One Conversion kit Waiting list
Mine arrived today (Eastern Washington State, USA / June 23, 2025), ordered 1/31. The box is way bigger than I expected. Now to get time to put it together. 🙂
RE: MK4S to Prusa CORE One Conversion kit Waiting list
My last conversion kit have move up in shipping from 14 Jul or 21-28 June. I wonder if this is due to cancellations.
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Chuck H
3D Printer Review Blog
RE: MK4S to Prusa CORE One Conversion kit Waiting list
Mine arrived today (Eastern Washington State, USA / June 23, 2025), ordered 1/31. The box is way bigger than I expected. Now to get time to put it together. 🙂
Yes. The box is huge.
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Chuck H
3D Printer Review Blog
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Same! From 30-06 start date to 20-06, which is in the past, funnily enough.
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Yesterday was expected to ship between 6/20/2025 and 6/26/2025
Today's date moves again.
Current shipping estimate: Expected to ship between 6/21/2025 and 6/27/2025
RE: MK4S to Prusa CORE One Conversion kit Waiting list
Be happy about it getting move to a earlier date.... Mine got moved yesterday from:
28/06/25 - 04/07/25
To:
08/07/25 - 14/07/25
Its only the printer conversion and a textured buildplate.
RE: MK4S to Prusa CORE One Conversion kit Waiting list
My last conversion kit have move up in shipping from 14 Jul or 21-28 June. I wonder if this is due to cancellations.
Looking back over this mess of a thread, there is probably no rhyme or reason to your revised shipping forecast, and it will change again. Prusa's whole order management process seems to be just white noise.
RE: MK4S to Prusa CORE One Conversion kit Waiting list
If expected shipping dates were accurate, and changed only because of delays in production, or unavailability of other items ordered at the same time, it would be understandable. When changes seem to be ad hoc, it just generates dissatisfaction. Even better, would be the inclusion of a note saying why the date has been revised. Like everyone else, my date has been jumping around. Order date:2/2/2025Current shipping estimate:Expected to ship between 6/23/2025 and 6/29/2025. I think it's unfair to force full payment in advance for something that has an unknown delivery date. I appreciate that Prusa needs a way of reserving places in the queue, but a deposit would be enough.
RE: MK4S to Prusa CORE One Conversion kit Waiting list
Since the batch based system was replaced, mine was at beginning of July, then gradually moved back to June. Yesterday it was 22/06 - 28/06. This morning, it moved to 01/07 - 07/07.
I'm inclined to believe that they actually have no clue whatsoever about the shipping date until they hand it over to the courier...
It might just be some AI coming up with random dates. 🙂
RE: MK4S to Prusa CORE One Conversion kit Waiting list
So my conversion kit shipping date estimate slipped again into July, disappointed again, you would think Jospeh would learn to under-promise on the delivery date and then over-deliver and shipg early. But he keeps doing the same thing every time, this is not Kickstarter, its a highly established successful company. Hey maybe Prusa is actually a big ponzi-scheme, collect a crap ton of money up front to fund building the stuff you've already sold 6- 12 months ago :-O
RE: MK4S to Prusa CORE One Conversion kit Waiting list
Hey guys, why are you letting yourself be led by the nose like this?
And this for a product that's obviously highly flawed, both in terms of firmware and hardware.
Be glad your Mk4S is working fine and cancel the conversion kit, asI did.
Maybe this will make Prusa rethink things!