Sure but i cannot upload any video, in the video you see the play is in the camp !
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No need, but I didnāt understand what you were saying here. Did you look at that other discussion that I linked (in Blue)?
Sure, sry for my english.
In the other thread they stick a peace of a stripe between the plastic (toolhead) and the graphit bearing, but its useless when the bearing (i think camp is the name) has the play,the bearing self, not the toolhead.
Its bot a solution for me.
In my picture see a little bit the play between the carbon rod and the bearing.
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No problem, Iāve been on worldwide forums for many years. I just didnāt understand. Itās better then the things Iāve seen where fights occurred from translation problems! 
I see what you say now. The problem you have isnāt something someone here can help you with, this is something for Bambu Labs Support.
When you contact them, be sure to be patient. They are expanding their support system and are very overwhelmed (overloaded) right now while they get new systems in place.
Best of Luck! 
Yeah i know.
I would share my experience and possible defect for the print quality.
No one have the right solutions for ringing or wrong layer consistency/
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Well, my new Friend - You might post this question as a new post of your own. This Topic is marked as solved and weāve stolen it talking about your problem!
Youāll get a lot more people seeing it, perhaps someone will have an answer for you.
Cheers
Not a confirmed solution and tape is a patch at best.
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Hi, which material is biofusion? PLA or something else? Which profiel do you select in Bambo Studio? Generic PLA?
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them layers are bad really for a Ā£700 hundred pounds machine ā¦its just like the matrix ā¦maybe we should of taken the red pill and gone to prusa or voron lol
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Itās PLA and I use my own profile in bambu studio
Awesome, please can you provide me the profile? Which Plate + Noozle + Layer Height do you use? I use 0.4 noozle with textured PEI and 0.20mm standard layer height.
Solved? I didnāt see any solutionsā¦
Not me saying it, the system is saying it.
Reply to this post. When you open the reply window to the right youāll see the preview window, but itās overlaid with a message that āThis topic has been solvedā.
The OP must have marked one reply as the solution. 
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The best way to tune your profile is to use OrcaSlicer. It has many more calibrations than Bambu Studio currently has. Itās the same software, but has advanced settings and calibrations. I posted a PSA about the differences here:
https://forum.bambulab.com/t/psa-up-your-game-studio-softfever-orcaslicer-arachne
You can have both Bambu Studio and it on you system side by side, they donāt interfere with each other.
Some people use it to tune their machine and copy the settings over to Studio, but I find it silly since they are the same software. If you donāt want to use the advanced settings you just leave them alone and just use the calibrations to tune. The Author, SoftFever, keeps it current with BL Studio.
Copying profiles from machine to machine gives you āpretty closeā settings, not the same settings as each machine has small variations. These are precision machines. You still need to tune for your filament and your machine for best results.
For instance, PLA from one brand may print entirely differently than another PLA. Each is a unique blend. Even within a brand you can get variations within different reels! Thatās why itās better to stick with major brands as the $4 savings isnāt worth the trouble. The better ones are more consistent. 
The much better way is to tune your machine yourself, this also teaches you more about the process and settings so when you get a tough to print model you recognize what can be done. 3D printing is a hobby (or business!) of constant learning!
I donāt think there is anything they can do to fix it, those parts are not replaceable are they?
Basically any part is replaceable. It is just a question of how much you are willing to disassemble the system.
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Donāt see any way to fix it on existing machines. They may do a running change with either a within diameter specification or toothed idler. More than likely a new model will be the fix.
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I have measured VFA period on mine, it is different on different speeds, and pitch is not 2mm.
One was 2.4mm, the other 1.06.
Iām 99% sure itās not the smooth idler. I may have done some testing. Thatās a red herring.
My X1C has very similar VFA using the OrcaSlicer test model like everyone else below 150mm/s or so, more in every axis but Y. You can also very much hear some resonance yourself from the steppers while itās moving in X vs Y, especially at low speeds. I have a suspicion it can be fixed with firmware changes, as theyāre using digital motor controllers.
Itās overall a heck of a lot better than every other printer Iāve ever used, but I wish this could get fixed - thereās a few materials that just donāt print well at high speeds (e.g. TPU) and the VFA patterns show up pretty strongly.
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The idler minimum diameter is quite literally specified by the belt manufacturer in their documentationā¦
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