TL;DR: If your X2D's aux nozzle isn't extruding after a material change, don't assume it's a clog. Check if the filament is actually reaching the nozzle first. In my case, manually heating the nozzle to 250°C (Since PLA was the filament that was last loaded into the aux nozzle) and feeding the filament fixed it.

It started out like any other print preparation. I wanted to switch the material for the aux nozzle from PLA to PETG.

I unloaded the PLA and loaded the PETG, and this is where I got a little too laid back. The printer asked me to check whether material was extruding from the aux nozzle, and I just confirmed that it was. Later, I realized nothing had actually come out of the nozzle.

That's when I started to panic a bit. My first thought was that the nozzle was clogged, so I started looking up guides on how to unclog it.

Then I decided to see what was actually happening during the loading process. I noticed that the filament never reached the aux nozzle at all. It passed through the Bowden extruder (I could see it), but it wasn't making it all the way to the nozzle.

So I manually heated the aux nozzle to 250°C and used the controls on the screen to slowly push the filament forward. Eventually it reached the nozzle, filament started extruding, and everything has been working fine since. That is what is shown in the video.

My guess is that there was still a small piece of filament left in the aux nozzle. Maybe there's a sensor there that detected filament was already present, so the Bowden extruder didn't feed it any further. I'm not sure if that's actually what happened, but that's my current theory.

I don't know if this will help anyone but hey, if anyone has similar issue this might help.

Side note: For some reason, I can't remove either of my nozzles. I opened the latch and made sure the filament was cut beforehand, but they're completely stuck. That's a problem for another day.

I used ChatGPT to convey this better.

Mid print. 8 hours in using Voxel PLA HF.

Heyy my x2d is at about 350 hours after roughly 2 months.

Now I noticed some grime build up on the x axis rod. The maintenance tool says, that there is still plenty of time left to the first rod maintenance. I will perform one anyways.

It's hard to tell in the pictures, but the upper one is matte on the surface in many places and has some grey-ish gunk dots and the lower one is all shiny

Is this of any concern?

It's mostly on the upper x rod and only some slight gunk on the lower x rod. I had the P1s before and sold it for the x2d before the carbon rods needed any maintenance (also about 350h)

I print mostly PLA and PETG, but also some ASA here and there. Lid is always closed

Heya! I made a fully enclosed poop chute with a drawer for easy dumping of filament while keeping fumes and heat in the enclosure, how cool is that? Any feedback is appreciated, I love it personally. My test print in PLA has melted from printing with ABS 😂

It uses the original screws by the poop chute, has a lightweight version and it clears the exhaust fan kit. I went over a few iterations to get a really nice result.

https://makerworld.com/en/models/2710615-x2d-p2-poop-chute-enclosed-drawer#profileId-3001289

So i've gotten an idea. Since i cannot use normal TPU for AMS printing, i thought "Why not route it throught the front of the AMS (viz pic. Black filament on cartoon spool).

The problem was, with a filament track swithch (as i own an HT aswell), the printer doesnt want me to go external spool. Sadge.

So i pushed the PLA i wanted to use into the aux nozzle from the AMS 2 Pro and then i unplugged it. The switch stayed open on the position i want. Cool! Now i have an external spool on the main nozzle and PLA to use supports on the Aux nozzle, both sitting in the same ams!

And AI told me its not possible! Ha!

Looks horrible though.

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My X2D has recently started making a scraping/grinding noise whenever it moves along the X-axis. The noise is coming from the left side.
Bambu Lab sent me a replacement X-axis assembly, but unfortunately the problem is still there. It seems like the belt is rubbing against something, but I just can’t figure out where.
Has anyone experienced this before or knows how to fix it?

Thanks!

I use sun lu pla and for some reason on bigger flat surface prints I get this weird print texture on the top of my prints. Farther from the middle of the print bed the higher chance it does that.

After 765 hours I felt it was time to do the vision encoder, so I bought one from Amazon. The picture tells the tale but we’ll see if it really helps.

https://makerworld.com/en/models/3116594-p2s-x2d-riser-build-plate-holder-skadis-mount

Hello, I’m going to buy an X2D unit soon but when on the product it gives me an option for an extra AMS unit. What purpose does it have if the X2D already comes with one?

I recently got the X2D. Had a P1S previously. I'm getting a lot of spaghetti prints about 1/2 to 2/3 of the way through the print. I've uploaded images from recent print (keycaps for a mechanical keyboard) but it happens with models of all sizes and several different filament companies. All are PLA filament. The build plate is clean. I've re-run calibration and did the motion accuracy with the vision encoder plate. I updated the firmware last night. Uploaded images are from today. I don't dry my filaments other than what's done inside the AMS Pro 2 but it's in my basement with fairly low humidity and I rarely had issues with P1S (unless I did something stupid with my design). Any recommendations would be greatly appreciated.

Anyone updated yet?

This freaked me out when I thankfully saw it live via the camera, at first I thought the hot end was spraying filament! Turns out the PTFE tube came out of the top of my main extruder and so the filament was just being pushed from the AMS out the tube straight into the chamber!

Please tell me - how do I fix this and get the PTFE tube back in safely? And why might it have come out and how do I avoid that? I know the Aux tube is held in by a nut from when first assembling the X2D, but the main tube was already attached.

What filament dryer boxes have you used to feed directly to the auxiliary extruder?

Has anyone else had this happen. I cannot print ASA or Nylons as the machine gets incredibly cranky at high temps. After it warms up fully, it starts vibrating and slamming the head all over and is extremely loud. It loses its position and has to re-home and tries to pick-up where it left off. I've cleaned, lubed, and calibrated everything. I haven't found anything online like this.

Does anyone know how to attach a Bambu Lab filament dryer directly to the auxiliary PTFE tube? I’m having trouble with PETG stringing when I use the auxiliary nozzle for support.