so… the final question is… are you going to patiently wait for the next sale to try again now you know the inside-out of this printer? 
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Sorry, but what exactly is lengthy in german warranty regulations (i hope you bought it from a german (re)seller ?: Device came faulty, within 12 months after the purchase the SELLER has to prove, that you did something to the device in first place. As they already tried to help you out, this is already proven wrong by themselves. from the 13th month on, the prove is on you to show , that the device was not working from the beginning → but thats again what you can do, as you have already opened cases with support. As long as you bought it in germany-> claim your “Gewährleistung” and let them get you a new one instantly. you don´t need a lawyer for that !
kind regards from munich,
M
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I had read something the other day about someone that found a screw loose in the auto tensioning assembly. If you have z-banding and layer shifts you may want to disassemble that and check.
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Totally understand your frustration with BL responses, they were total nonsense in my case as well, but I have to be fair to them once I pointed out it was very clear they were not reading my messages as everything they said had clearly been covered in my previous correspondence they apologised and started responding and resolve the issue.
Unfortunately this doesn’t appear to have happened in your case. Good luck in getting it sorted, sad that it’s got to a lawyer situation.
In the UK it wouldn’t be worth the hassle of a lawyer, based on what I’ve seen.
Hope you get it resolved soon.
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Pretty good question 
Think I’ll give it a second try. I see by friends what he can do when it works……
Yes, I had exactly the same problem. But now it’s solved, and I’ll get my money back as soon as the printer is back with you.
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Congratss on getting a refund, even though this is a much harder way to get it than if you would have returned at first sign of something not working right.
This case raises some interesting questions. This is not the situation in your case, but let’s say I were (I am not) a tinkerer, and I would like to tinker and mod the H2D, or any other BL printers for that matter. What prevents me from submitting a ticket within the 2-week period claiming defects, and then take apart the printer and mode it?
I would make sure to keep a good back-and-forth with BL to keep the process of “fixing” alive. But I wouldn’t let BL know the other parts and tinkering things that I do to the printer. If the mode is successful, I keep the printer, with a few extra parts from BL to boot. If the mode fails, I request and get a refund by putting the printer back together (making sure to remove any third-party parts that were used during the tinkering process) and ship it back to BL.
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Hi Micha, thanks for sharing. I’ve had my eye on the H2D for a while and came here to make my final purchase decision. I know the H2D is a great printer (I’ve had an X1C for over a year now and have always been a big fan of BBL), but your story about the support makes me realize that making great printers is also about aftersales. I’m postponing my purchase for a while.
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I wait for an update for the second H2D.
I am also not sure I should order one now or give it some time to mature.
It is much more complex mechanical and electronic piece than the P1S.
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It’s a conundrum. I received my H2D back in April or early May and it came with shipping damage. The front door was not plumb to the chassis,the shell had popped out from left hand side,and when starting the calibration it failed on the z-axis due to the main rod in the back being completely out of the top hole.
It took about 5 days to get BL to offer a cross-ship replacement which I took them up on. The replacement printer came without damage and has been working mostly flawlessly (see below). I was concerned that the printer I shipped back may cause more back and forth, but they refunded my credit card a couple days after receipt.
The only thing I’ve had an issue with is the status bar. It worked when using only the left LEDs for progress, but once it finished, the entire LED strip was like a disco, flickering on and off in all colors. Took a video and they sent a replacement.
Coming from a 4 year hiatus and trying to get my Prusa Mk3 working well, I’m impressed with the quality of the printer. Reckon I’d be similarly impressed with the X1C or P1S too, but had the need for a bigger build area.
Hope everything works out OP!
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Sorry for your troubles, but I take it you’ve read the USB key thread here?
This doesn’t contribute to a solution but:
This is exactly why I won’t buy directly from companies like this and why I specifically didn’t choose Bambu even though I felt their product was superior for my needs. I don’t have any Bambu products, I have Creality but I can tell you they must attend the same “business/engineering/design/marketing” schools because this is Creality’s modus operandi down the the letter. They will do everything NOT to have you return the product. They’ll even send you all the parts but not a new/replacement one.
If I’m going to buy a printer I will research the heck out of what I’m looking for and find one that suits my needs AND that I can get on Amazon. Why? Strictly for their return policy of No Questions Asked. It’s the sole reason I went with Creality over Bambu. I had to return for a replacement and Amazon cross shipped. They have a 30 day return policy which is more than enough time to figure out if something is direly wrong. Bambu is closed loop and your at their complete mercy if something goes wrong. Buy on Amazon and you can return any lemon no problem.
Sounds like there may be something wrong on the MB, maybe a crack which will expand and contract causing all sorts of headaches (ask me how I know).
You seemed to have done everything right. Hopefully Bambu will step up. Good Luck.
But it is a totally new and very complex product, I think problems will work out and BBL seems reliable (they changed print beds for A1). And in comparison to other companies BBL trys to fix the product and do not try to fix is later with a new model. This alone is already a big win for the customer.