Replace the cutter blade to get rid of the pull back problems. If you print cf materials the cf blades get worn out fast.
Iāll give that a try. When I try again it seems to work, but I havenāt replaced that part since Iāve had the machine and Iām working a carbon fiber print
Well thanks to black friday sales, etsy success, and some makerworld gift cardsā¦ I did buy it again. 
Another AMS combo P1S was a no brainer for me.
I initially bought the P1S without the AMS. Despite the discount, I thought that since I donāt do multicolor prints often, it wasnāt worth it. I regretted that decision in a few weeks, and bought the AMS (without the discount). Iād recommend you get the combo now for the better price.
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Yes with absolutely no hesitations. I grabbed a P1S and have gone to 2 AMS units. Iām getting another P1S with no AMS just to rapid print back plates and single color items.
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No, Iād buy a printer with a proper heated chamber so that large ABS, Nylon, etc. prints donāt warp. I didnāt know I needed that. This does have an enclosed chamber, but, sorry, Iāve proven to myself through recent experience that itās not enough for printing large prints using high temperature engineering filaments. Clough42 has proven it more generally. I think by now everybody knows it. Thatās why an X1E costs $1K more. People need it.
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I would and did buy it again. I even upgraded one of my P1Sās to a X1C. I hope we see an X2C this year to which I can replace my other P1S with! Ha.
These printers opened a few doors that have been unique to the experience brought about by purchasing that first printer from them. If I had purchased a Kobra 2 or something, the world Iāve built today wouldnāt have existed. It wasnāt just the printer that facilitated that, but everything that is this ecosystem.
I wasnāt even fully aware of what I was getting myself into. I just wanted a CoreXY.
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Absolutely I would buy an AMS - and did. I bought an X1C combo with an AMS and saw what I could do with 4 colors. Bought another AMS to allow 8 colors/filaments which really opened up possibilities. Turns out most of my multicolor designs are using 5-7 colors.
AMS is a āmust haveā, no dubt
I have gone through an A1 mini, A1 and now P1S. I clearly would buy again and have no problem continuing.
Each printer has had an AMS, the P1S has two AMS units.
While I try to keep most of my designs to 4 colours to give the most users the opportunity, I have some 4+ colour models and more coming.
I believe the benefits of more than one AMS make them worth the cost.
Convenience is one of the benefits, of having a pool of colours that I am no longer constantly swapping out. Having the ability to have filaments end mid-print and then take up a spare without involving me in the process is another great convenience feature.
I would like to see more upgrade options.
Let me buy an A (not mini) or X1 style display I can use on my P1S instead of the stock (very) bad one they come with.
Iāll throw in another endorsement even though it has been said many times already.
Even for single color printing, itās nice to have 4 colors essentially ready to print from a drybox.
Hell if money and space were no concern Iād get 4 going just so I could have 16 colors in the holster and I hardly ever have to change out spools.
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If the bed size fits you and you dont want a heated chanmber, theres no better option for the price.
I opted for a P1S with AMS instead of X1C with or without. Nice for multicolor prints and having several filaments āready to goā.
I would definitely take it too, but there is one thing that has developed further for me. Better than an AMS, 3 non Bambublab printers with the 3 moste used materials having always ready to go. In my case, worth a lot more than the AMS - But I only noticed that when I was so excited about my first AMS.
If the AMS has taught me one thing: Itās that changing materials is annoying and the AMS doesnāt carry 2 kg + coils. If youāre constantly printing, 1kg of spooling becomes quite expensive. Filament prices in summery when you really print a lot are in a much higher price range than an X1C, even if you buy fillament cheaper (and may geting much less headach during printing) than from Bambulabā¦
But not having an X1C there, I would definitely miss it. 60 seconds less to start and never check when it prints
In the U.K. buying 2KG spools is almost always more expensive than buying two 1KG spools, often by a decent margin.
I think the U.K. is considered some weird backwater as we seem to get the wrong end of most things like stock availability, choice of materials and access to new materials at launch.
Donāt get me started on BL store, it has taken two months to be able to get one of each PLA Basic & Matte due to constant out of stock issues and when it is in, not being able to choose between with/without spools! Oops, I got myself started!
I have two AMS units on my P1S and one AMS lite on my A1 mini. I am often able to leave core colours in the AMS units, only swapping out occasional colours. I have considered a third & fourth AMS unit after questioning the sanity of a friend for suggesting the same. I figure I could have black, white, grey and orange in one, red, green, blue & yellow in another, four auto spools for whatever colours are close to empty and another four for occasional colours.
Yes, a 51-year-old child in a sweet shop with drool down my lip.
Quite possible, Iām from Switzerland and before I look for the prices in Germany, Iāll definitely check the prices in the UK (also Holland and Denmark - but they rarely have their websites in English) 
Also mainly because of the shipping costs and the general attitude of the dealers Well, I donāt get fillament from the UK, mine comes mainly from Austria or from FormFutura and there you even get 8 kg spools - mostenly i never go over 3 kg per spool
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Yes.
It enables PLA/PVA combo or PLA/PETG for supports, it also maximizes comfort and saves time by taking care of loading filament into printer.
Plus it doubles as solid drybox.
So, yeah - think of it like having paper printer that you have to pour ink before any print - AMS is your buffer- like cartride. Pour ink once and consumer until done.
Oh, and recently I have been printing batches of these modesty paneling for SimRigs - Print plates of 600-1.2kg of material. So, I load 4 same spools and it just continues from other spool when running out.
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Eh, Ive had alot of issues with mine. Id do more research on units before I purchased another one.
Well, that 's a lot of answers, and indeed, in the meantime, (a long time ago) I also purchased the AMS with the P1S, I ordered now one year agoā¦
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Personally, I donāt care about multicolor. It isnāt important for the models I print. I got the AMS to use support material so I could print complex models with a 0 z-interface support gap and get better quality. It does work for this. One thing though - it can quickly turn a 2-hour print into a 6-hour print with all the required filament changes. And, there will be a lot of waste.
I find the AMS slows things down enough with filament changes, that I donāt usually want to use it. In most cases, if I can avoid needing support, I will design my model that way.
You can speed the filament changes up a bit.
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Make some changes to the filament change g-code (based on this: Ideas on boosting speed for multi-color printing with AMS - #179 by DzzD)
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Shorten the PTFE tubes running to the AMS as much as possible.
These two changes halved my filament change timesā¦which makes a significant difference when I do use the AMS.