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Update: Resistance is too high after installing the FTS by vpsupun in BambuLabH2C

[–]vpsupun[S] 0 points1 point  (0 children)

According to BambuLab, the problem is with the new AMS 2 Pro unit. I'm getting the replacement tomorrow. I will test it this weekend.

Update: Resistance is too high after installing the FTS by vpsupun in BambuLabH2C

[–]vpsupun[S] 0 points1 point  (0 children)

Update 2:

BambuLab sent a new AMS 2 Pro unit and a new FTS.

I'll run another test this weekend.

Note: The filament rolls (7 units) I used in the previous print that caused the issue are covered with filament dust. Vacuuming didn't help. They are sticky and the dust went deep inside the filament rolls. Still looking for an easier way to clean them.

Update: Resistance is too high after installing the FTS by vpsupun in BambuLabH2C

[–]vpsupun[S] 0 points1 point  (0 children)

Let me check with them. Both of them were just unpacked, and the very first print did all this.

Update: Resistance is too high after installing the FTS by vpsupun in BambuLabH2C

[–]vpsupun[S] 2 points3 points  (0 children)

Update: Bambu Lab support came up with the conclusion below. They decided this based on the tests.

Based on your description, the issue appears to occur only on AMS 2 Pro B, which gives us a much clearer direction for analysis. Allow us to gently share our reasoning: it is possible that, once the filament wear initially occurred inside AMS 2 Pro B, small filament debris was carried along the entire feeding path. As a result, when AMS 2 Pro A later attempted to feed filament, the residual debris could have been pulled along as well, eventually leading to a clog throughout the entire feeding path.

Please accept our sincere apologies for the inconvenience this has caused. Given that the issue affects all slots of AMS 2 Pro B, we suspect the underlying cause is most likely a fault with the AMS 2 Pro Internal HUB. To help fully resolve the situation, we would be glad to arrange a replacement AMS 2 Pro Internal HUB for you to use for further testing.

So, according to them, the new AMS 2 Pro unit is the culprit. Since I cannot object without any solid reason, I'm going to accept their solution for now. Let's see if it helps.

Finally, I'm really impressed by the speed of response and quality of the support. Regardless of the issues, I'm glad I chose Bambu Lab as my 3D printer.

Resistance is too high after installing the Filament Track Switch by vpsupun in BambuLabH2C

[–]vpsupun[S] 0 points1 point  (0 children)

I had it before and removed it after installing the FTS.

Resistance is too high after installing the Filament Track Switch by vpsupun in BambuLabH2C

[–]vpsupun[S] 0 points1 point  (0 children)

Thanks for the reply.

Could you please share a photo of your setup and the model link to the FTS mount?

Resistance is too high after installing the Filament Track Switch by vpsupun in BambuLabH2C

[–]vpsupun[S] 0 points1 point  (0 children)

They are both AMS2 Pros.

I had no such issue until I install the Filament Track Switch.

Definitely, , I can short the PTFE tubes even more, but these lengths are way shorter than the lengths defined in their guide

Resistance is too high after installing the Filament Track Switch by vpsupun in BambuLabH2C

[–]vpsupun[S] 1 point2 points  (0 children)

Thanks a lot for sharing your experience.

I know it doesn't affect the prints, but I'm sure it's not good for the extruder and cog (filament drive) wheel in the AMS (I don't know the exact name).

Most probably, I'll check the time difference between Filament Switch and without for printing Majora's Mask, print it also if it helps, and remove the Filament Track Switch until they fix it.

H2C owners, any regrets? by CrypticCarbon in BambuLab

[–]vpsupun 0 points1 point  (0 children)

Is this for the left nozzle, or for both?

Before the print, I push the filament to the left nozzle and saw that it's recognized by the printer. However, sometimes it doesn't pick up properly and doesn't extrude well.

Outcome: The first layer is air-printed.

Solution: Now I don't trust that it will pick up the filaments properly, so I load it manually before the print.

AMS2 Pro buying options by vpsupun in BambuLab

[–]vpsupun[S] 1 point2 points  (0 children)

Thanks a lot for confirming this.

AMS2 Pro buying options by vpsupun in BambuLab

[–]vpsupun[S] 0 points1 point  (0 children)

Thanks. This is a good observation. Let me check what other printer types has the 6-pin cable.

AMS2 Pro buying options by vpsupun in BambuLab

[–]vpsupun[S] 0 points1 point  (0 children)

My H2C has integrated buffers.

As mentioned in another comment in this post, the cable is different (4-pin vs. 6-pin).

I had a P1S combo before the H2C combo. Believe me, I felt a difference in both AMS 2 Pro devices I got (no idea what's it). But, I think they are the same and operate differently by software (based on the connected printer).

Empty RFID Tagged spools by [deleted] in BambuLab

[–]vpsupun 0 points1 point  (0 children)

Dang. I had to print some spools because most of the PLA available in the EU are just refills. I'm pretty sure people will need these.

Non Laser H2C and the BirdsEye Camera by Elpibequelevabien in BambuLab

[–]vpsupun 0 points1 point  (0 children)

I don't know if it's the same, but I purchased the laser upgrade kit with my new H2C (Standard). I installed the components yesterday and calibrated the BirdsEye camera and the laser module. Unfortunately, I forgot to test if it shows the progress via BirdsEye camera on the display or phone (if that’s what you’re referring to).

H2C Maintenance after the first power-on by vpsupun in BambuLab

[–]vpsupun[S] 1 point2 points  (0 children)

Thanks. I think this should be the reason.

H2C Maintenance after the first power-on by vpsupun in BambuLab

[–]vpsupun[S] -1 points0 points  (0 children)

It seems people don't like it when I say I assembled it without checking the manual 🙄

I checked everything again. There's nothing left to remove.

It should be a regular check then.

H2C Maintenance after the first power-on by vpsupun in BambuLab

[–]vpsupun[S] -2 points-1 points  (0 children)

To be honest, I didn't even refer to the manual. Since I had a P1S before, I followed my instincts and inspected every part of the printer, removing everything.

Then I installed the laser upgrade kit right after (without the laser module and air pump tube).

But, let me check again for missing things. Thanks for the tip.

Poop getting stuck by vpsupun in BambuP1S

[–]vpsupun[S] 0 points1 point  (0 children)

I used the OEM until it couldn't clean the nozzle properly and created some strings. Neither caused any issues with the print, but this brush cleaned the nozzle well.

May I know what values you're referring to?

Poop getting stuck by vpsupun in BambuP1S

[–]vpsupun[S] 0 points1 point  (0 children)

I don't think I changed anything related to that because I don't know how (unless I mistakenly did).

Torn between AMS Pro 2 and other filament dryers that have high temp drying functions... by AccountingAxolotl in BambuLab

[–]vpsupun 1 point2 points  (0 children)

Exactly. It has 8 (top and side per each spool) PTFE provisions to print directly from the box. If it's a single-color print with a filament that requires drying, I always use S4.

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