It will get to about 3” from the coupling at the top going to the print head, then retracts all 4 slots do the same thing.
I mean imagine you bought a TV and you get it home expecting to use it only to find it doesn’t? You would return it the next day. We don’t have that luxury. We are dealt with lengthy delays from BL customer service. They when you get a reply they request pics, videos, logs etc. Then you wait several days for a response and on it goes. Meanwhile you can’t do the prints you want and expected to do when you opened the box and set it up. Who would offer a product with so many known defects? Doesn’t do much for their brand reputation. Just my .02
Everyone understands your situation, but: You’ve received a lot of help from the community, yet you don’t respond or say thank you - or tell us what’s happened in the meantime? Instead, you just come back to rant about Bambu?
You do realise that help isn’t something you can just take and then disappear, and users remember that. This isn’t an all-you-can-eat buffet.
Probably the fault lay with the friendly users again, though, because they’re so helpful and didn’t immediately recognize it as a rant. (sarcasm)
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Is this actually true? If you bought your printer from say for example Best Buy, and it didnt work, why would yo not return it the next day same as you would a TV you bought at Best Buy?
You are trying to compare buying a TV local and buying a printer online involving substantial shipping costs.
Funny, because customers aren’t an “all-you-can-eat buffet” for companies either. I thanked the people who actually helped. My frustration is directed at Bambu’s support, not the community.
If a customer spends hundreds of dollars on a product that doesn’t work correctly and then gets bounced around for weeks, they’re allowed to complain about it. That’s not “ranting”—that’s documenting an experience others may want to know about.
You’re welcome to disagree with my conclusions, but trying to make this about forum etiquette instead of the actual problem is a distraction.
You’re comparing two very different situations. Returning a defective TV to a local store is a simple trip across town. Returning a defective 3D printer purchased online can involve disassembly, repackaging, trekking to a FedEx store etc. Nobody is arguing that defective products shouldn’t be returned—only that the customer shouldn’t be stuck with an unreasonable return process when the product arrived defective. Thanks for taking the time to reapond
From BL:
On review of the Log files supplied it appears the printer may be to be assuming that filament is being loaded from the external filament input and not via the AMS.The most common cause of a P1 series printer if the Load/Unload feature on the printer’s control panel has been used, this might be the reason for the issue, as the printer’s onscreen load/unload feature should only be used when printing from an external spool holder. We would ask that you please use the unload option on the printer display to clear any settings relating to an external filament load , This way, the printer will not think there is an external filament still trying to be loaded and will allow the AMS to load into the printer.
So BL CS has determined it’s a failed Hall Sensor. So hopefully that will allow me to use the AMS. In Bambu Studio it would show the AMS and the external spool. It was sensing the spool when in fact it was not attached to the P1S. I had just torn down the print head to install hardened extruders gears so now I have some experience tearing it down.
If you get a plain AMS you can put an aftermarket heater on top in place of the original lid. Search around on Reddit for the options. The bonus being of course you can dry whilst printing effectively.
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I received a new hall sensor and it’s still doing the same thing. It will load the filament all the way until it stops just short of the coupler. Arghhh!
And the saga continues. They said it was a hall sensor. They sent a replacement hall sensor and that did not solve the problem. Next they wanted the logs after the install of the hall sensor. Sent those and now I wait. This is really ■■■■■■ CS no matter which way you slice it. I have paid $350 for a device that I can’t use.
It’s interesting that lately, a lot of people on the forum have been saying that support has improved, and then there are reports like this one.
Let’s summarize:
- You had a presumably defective AMS
- You sent it back
- Then you had another presumably defective AMS
- In both cases, say that you’ve opened a PayPal dispute.
Well, here’s another post after a month:
- replacement hall sensor
So, support first sends you a new device, then replacement parts, and helps you troubleshoot - how is that bad support?
Especially if you’ve filed a PayPal dispute, how can this topic still be relevant, or was it rejected by PayPal?
It’s strange that stories like this always seem to deliberately leave out all the relevant information and what happened in the meantime.
But that’s actually completely irrelevant - since you said it’s a PayPal dispute, PayPal should have made a decision by now after a month; something’s not right here…
The pattern is always the same: customers who have major problems with support - post comments on the forum that contain little information and are full of swear words. They immediately threaten to file a dispute (or hire a lawyer).
People who are polite never have such huge problems. I wonder why… 
That’s the problem with forums - we only ever hear one side of the story.
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You’re making a lot of assumptions based on information you don’t have. And that I may have forgotten to include.
Receiving a replacement device and replacement parts doesn’t automatically mean the support experience was good. If a customer spends weeks troubleshooting, repeatedly installs parts, and still ends up without a working product, they’re entitled to be frustrated. I’m sitting on a $350 piece of gear that is defective.
As for the PayPal dispute, those cases can remain open for quite a while depending on what evidence is being exchanged, so the fact that it’s still active isn’t unusual by itself.
Saying that “people who are polite never have such huge problems” is also a stretch. Plenty of respectful customers have documented lengthy support issues, just as plenty of angry customers have eventually had their problems resolved. Courtesy and service quality aren’t the same thing.
You’re right about one thing—we only hear one side of the story. But that cuts both ways. It also means we shouldn’t assume the I am leaving things out or that support handled everything perfectly. Without seeing the full ticket history, none of us knows. And jumping straight to defending the company like you’re on their payroll doesn’t really help clarify anything either.
Do you know what’s ironic? Some people say “I’m paid by Bambu”, while others say “I’m Bambu’s harshest critic”. What do they both have in common? They don’t understand that I’m striving for a middle ground.
I believe your experience, but it’s perfectly reasonable to ask certain questions, especially when there’s a lot of missing information. Also, you’ve received plenty of advice without having responded to any of it yet. Which of these have you tried?
Besides swearing even more - and of course, that paints a certain picture of you and makes users wonder if you act that way toward support as well?
I don’t think you’ll find a single user who says the support is perfect.
But now back to the facts: To put it neutrally, once a dispute is in progress, regular support probably isn’t allowed to respond to you anymore - only the department with the experts. That’s why it takes longer. After all, the money is frozen if it’s a legitimate dispute.
It is unusual, however, for it to take longer than a month; normally, the decision is made fairly quickly, often in the customer’s favor. That’s why the whole thing raises a few questions. That’s why I see it as a 50/50 situation. It doesn’t seem that straightforward if PayPal doesn’t make a decision within a month.
I guess you have never heard the axiom “the customer is always right”? The best CS teams jump on problem quickly and resolve it. It’s about building a strong brand reputation. This experience does not do that.
The PP dispute was closed after I received a new unit. I am not able to re-open it as BL has been paid. And again I have spent $350 on a piece of equipment that does not work. I am allowed to be frustrated and unsatisfied. I have very low expectations that they will solve this. I will again be asked to upload logs, replace parts and wait and wait and wait…
Want to buy my AMS 2 Pro?
Hello
I am sorry to hear that you are experiencing problems with your AMS 2 Pro
Can you please share your ticket ID via a private message so we can check how it was handled and find a solution?
Thank you
That would be great! Any help is most welcome! Thanks!
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In the saga continues now bamboo labs is claiming that because I do not use a bamboo labs mono filament with an RFID is what is causing my mono filament not to feed into my P1 S this is a game of long range whack-a-mole they keep coming up with things for me to try which all fail. This is the second unit same problem. This is supremely frustrating. I guess their customer service strategy is to wear out the end user with endless fruitless repairs, checks, data logs, etc. etc. I guess they hope the customer will just give up and go merrily along his way.
What specific filament are you using? Yes, that matters.
Also, from your previous pictures, both your PTFEs in and out of the buffer are on the shorter side. I can’t tell if they’re properly inserted into the buffer from your pictures. It’s common to not have it in all the way.
Also, in case it hasn’t been mentioned, use only Bambu PTFE, because it is not the standard PTFE size.
Thanks! I have ordered a roll of BL monifilament to see if that works. But I doubt it.