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MK4S to Prusa CORE One Conversion kit Waiting list  

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Rickh52
(@rickh52)
Active Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

I have had the shipping estimate for my core one upgrade changed everyday for the past three days. Each time the shipping window has been bumped by a day on each end of the window. It now says "Expected to ship between 6/9/2025 and 6/15/2025". My order was placed on the first day (01/31), with the new lcd.  I thought the holdup for shipping the upgrades was for those with the old lcd. Yet I see that that some orders with the old lcd have been shipped. I am on the verge of cancelling as all of this waffling on shipping dates is truly ridiculous.

Posted : 12/06/2025 12:51 am
Mercur12
(@mercur12)
Trusted Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list: Ciao PRUSA

Game over PRUSA!

I've been a PRUSA fan ever since, from the MK3+ through the dead end of the MK3.5 to the MK4 and MK4S, and at every stage, I've experienced the waiting times, then the firmware weaknesses and their delayed or non-existent fixes during operation.

Then came the Core One: time for another update.

And the wait for delivery begins again, and of course, the problems repeat themselves (e.g., head-banging and a warped x-axis, etc.). Some of them have long been familiar from previous models.

I'm wondering if the €500 is worth it to go through again. The only thing that's changed compared to the MK4S is the mechanics. Everything else is the same.

The wait helps me reflect, and the constant postponements of the "estimated" delivery date lead to mydecision:

It's not worth it!

Therefore, the order has now been canceled entirely.

I still have the MK4S+MMU. It works reliably, at least.

Luckily, other manufacturers also offer devices with a better price-performance ratio.

...and they're even available immediately!

Posted : 12/06/2025 8:01 am
2 people liked
tommi
(@tommi-2)
Eminent Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

Well my order went from New to InProgress and the shipping estimate changed from 10.6.-16.6. to 13.6.-19.6.

Lets see what happens. 

Posted : 12/06/2025 8:32 am
Zyklone
(@zyklone)
Eminent Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

Mine is „In Progress” for about 2 weeks right now. Started from 03.06 - 09.06 and is changing almost every single day and now is 10.06-16.06 funny as fuck  

Posted by: @tommi-2

Well my order went from New to InProgress and the shipping estimate changed from 10.6.-16.6. to 13.6.-19.6.

Lets see what happens. 

 

Posted : 12/06/2025 8:35 am
jokerit
(@jokerit)
Estimable Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

And my order is "In Progress" only for 1 week. And today shipping date changed to 10.6.-16.6.( started 6.6.-13.6.) First date is nonsnce -of course- because it is now 12th of june. So how long it´l be " In Progress" ? Two weeks or more? And every day postponed shipping date for one day? I really do not understand this acces to customers. It´s a pitty, that nobody from Prusa comp. reads this thread.

Posted by: @zyklone

Mine is „In Progress” for about 2 weeks right now. Started from 03.06 - 09.06 and is changing almost every single day and now is 10.06-16.06 funny as fuck  

Posted by: @tommi-2

Well my order went from New to InProgress and the shipping estimate changed from 10.6.-16.6. to 13.6.-19.6.

Lets see what happens. 

 

 

Posted : 12/06/2025 9:18 am
Zyklone
(@zyklone)
Eminent Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

They did this to stop people from canceling their orders. „Let’s change their orders to In Progress that they are not able to cancel it anymore and we can still play delay game”. 

It’s changing shipping day 1day per like 2 days. 

Posted by: @jokerit

And my order is "In Progress" only for 1 week. And today shipping date changed to 10.6.-16.6.( started 6.6.-13.6.) First date is nonsnce -of course- because it is now 12th of june. So how long it´l be " In Progress" ? Two weeks or more? And every day postponed shipping date for one day? I really do not understand this acces to customers. It´s a pitty, that nobody from Prusa comp. reads this thread.

Posted by: @zyklone

Mine is „In Progress” for about 2 weeks right now. Started from 03.06 - 09.06 and is changing almost every single day and now is 10.06-16.06 funny as fuck  

Posted by: @tommi-2

Well my order went from New to InProgress and the shipping estimate changed from 10.6.-16.6. to 13.6.-19.6.

Lets see what happens. 

 

 

 

Posted : 12/06/2025 9:21 am
inet22
(@inet22)
Eminent Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

Ya my date just keeps moving out one day, every day, for the last week. They have now pushed my expected ship date out over a week... It's the let's keep stringing them along game. I am just so over it at this point!  

Posted : 12/06/2025 11:50 pm
2 people liked
Zyklone
(@zyklone)
Eminent Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

Same here. Date was changed now like 7 times during last week, now it jumped to next week. Whats the point of giving us a date instead of batches  to make system more accurate as they said if you are changing the date like that?

Posted by: @inet22

Ya my date just keeps moving out one day, every day, for the last week. They have now pushed my expected ship date out over a week... It's the let's keep stringing them along game. I am just so over it at this point!  

 

Posted : 13/06/2025 8:31 am
jokerit
(@jokerit)
Estimable Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

Ya, and my order today was postponed to " shipping from 13. to 19. of june." I hope i´ll get it sometimes in the future. And as Majdy s table shows, Majdy s order has "Delivered" status and my order - for 4 minutes later than his - is still only "in Progress". I dont think, that is all correct from Prusa.

And by the way, now I can compare my brothers CoreOne and my MK4s a nd Bambu H2D. And CoreOne is the worst either in quality of printing or in speed.

Posted : 13/06/2025 8:32 am
tommi
(@tommi-2)
Eminent Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

Yes. They seem to push the shipping date forward as days go on. Yesterday it was starting from 13.6. today it is 14.6. so maybe tomorrow it will be 15.6. and so on. 😊 

Posted : 13/06/2025 8:36 am
BuildByte3D
(@buildbyte3d)
Eminent Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

In my case, my order also keeps shifting by one day each time. I talked with them via chat several times, and they told me that my order is being held due to a pending refund.

This refund is for removing the BuddyCam on May 30th… I'm starting to lose hope of ever receiving my order. My last contact with customer support was yesterday, and they said they would get back to me by email. Still no news.

I still don’t understand what’s going on. Based on my previous experiences with them, problems were usually solved within a day at most. So this long delay for a simple ~38€ refund seems really strange to me.

I also don’t understand why they haven’t shipped my order if it was already paid.

https://linktr.ee/BuildByte3D
Posted : 13/06/2025 9:38 am
Zyklone
(@zyklone)
Eminent Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

I didn’t order anything else just conversion kit, and I didn’t modify anything so it is the simplest order possible. Im dissapointed as fuck with their policy. 

Posted by: @buildbyte3d

In my case, my order also keeps shifting by one day each time. I talked with them via chat several times, and they told me that my order is being held due to a pending refund.

This refund is for removing the BuddyCam on May 30th… I'm starting to lose hope of ever receiving my order. My last contact with customer support was yesterday, and they said they would get back to me by email. Still no news.

I still don’t understand what’s going on. Based on my previous experiences with them, problems were usually solved within a day at most. So this long delay for a simple ~38€ refund seems really strange to me.

I also don’t understand why they haven’t shipped my order if it was already paid.

 

Posted : 13/06/2025 9:56 am
Zyklone
(@zyklone)
Eminent Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

Update. After I contacted with suport they told me that my order is already packed and will be send to me at monday. We will see. 

Posted : 13/06/2025 12:55 pm
docsascha
(@docsascha)
Eminent Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

Hi,

 

The delivery date for my order from January 31, 2025, has been changed again. It was initially promised for the week of May 22nd, then delayed to the end of June, and has now been pushed back to the second week of July.

I paid for this order in January, and I am frustrated with the repeated delays. I am now seriously considering canceling my order and selling my MK4S with the MMU3.

Posted : 13/06/2025 7:15 pm
1 people liked
abel
 abel
(@abel)
Active Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

Every day, they change the shipping date. 1 day after another day. Any anyone brought on 1 Feb been shipped?

Posted : 14/06/2025 3:50 am
tommi
(@tommi-2)
Eminent Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

 

Posted by: @tommi-2

Yes. They seem to push the shipping date forward as days go on. Yesterday it was starting from 13.6. today it is 14.6. so maybe tomorrow it will be 15.6. and so on. 😊 

So today is 14.6. so of course shipping date starts from was pushed one day forward. So now shipping starts on 15.6. of course. ☹️ 

Posted : 14/06/2025 5:43 am
Klausn
(@klausn)
Active Member
RE:

same here .. delivery date move forward day by day.  Im tired of waiting. Im thinking about canceling the order.

 

This post was modified 4 weeks ago by Klausn
Posted : 14/06/2025 6:37 am
docsascha
(@docsascha)
Eminent Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

Hi,

For everybody who feels "left behind" by PRUSA, just look at 3DJake's website. The CoRe ONE kit and the assembled version are readily available and ship within a few days.

It is obvious to me now that we, the PRUSA fans, are of the least interest to the company, except for providing them with interest-free cash advances.

 

Sascha

Posted : 14/06/2025 7:28 am
3 people liked
Christopher
(@christopher-8)
Trusted Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

It certainly would be a different story if they just charged your card before shipping instead of immediately, then not making any shipping date promised.    I'm on the fence.   I like my Mk4s and was looking forward to a CoreXY Prusa.... but I may just look at some of the other manufacturers.   I noticed that PrintedSolid has ready to ship Core Ones...  Prusa is able to supply retail, but not fullfill its preorders that have already been paid.   If I haden't had successful orders in the past, I'd assume it was a scam and to report for fraud.

 

Posted : 15/06/2025 6:18 am
Ilddor
(@ilddor)
Member
RE: MK4S to Prusa CORE One Conversion kit Waiting list

That is one hell of a shit show, I've asked for refund and consultant did allegedly sent request for cancellation, today I got an email that they prepared a package... I want money at this point, not a printer...

Posted : 16/06/2025 9:42 pm
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