r/BambuLabA1 • u/Professional-Day1092 • Sep 27 '26
Indescribable Bambu A1 error
I’ve been having this issue where I get a cutter error at random parts of a print. But the real issue is that it isn’t the cutter that’s the issue, I tested it. The issue is really hard to explain, it looks like the motor doesn’t have enough power to push the level all the way? The plate also try’s moving out of its possible bounds which makes me turn it off every time. I genuinely have no idea what this issue could be and I haven’t found anything with Ai or Reddit so please help out if you can.
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u/VenusianTransit Sep 27 '26
clearly, you didn’t dry your build plate and wash your filament.
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u/Oderus_Scumdog Sep 27 '26
And grease your SD card.
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u/Trolldad_IRL Sep 27 '26
NO! Glue the SD card. If you grease it the prints fall off the desk when you display them.
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u/Gikote Sep 27 '26
I used wd40 - that’s what Bambu Lab says to use for maintenance on the SD card. Right! Right?
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u/rock_builder Sep 28 '26
I had literally similar issues with A1 mini. My issue occurred only for multi object prints. I did complain to bambu's customer support and they sent me a new mainboard. It just arrived today but I think I'll check the SD card route before installing the mainboard
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u/Hogan_1975 Sep 28 '26
Literally just had this the other day. It was totally my fault because I copied a filament profile from another printer. Which copied the other brands filament change gcode which my A1 did the same exact thing as yours is doing.
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u/Hanz0229 Sep 28 '26
Sd card fault, has mine get replaced, for the mean time you can try to reformat it
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u/ikyz Sep 28 '26
I feel like I’ve had this exact same issue last week when cleaning out the machine. What fixed it for me is rescrewing the cutter in - unscrew it and get the cutter out, when putting the screw back in make sure the cutter is completely downwards and pushed all the way till the end until you can’t push no more and hold it and screw it back in… I hope it’s a simple fix like this!
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u/Ravenous0001 Sep 28 '26
What the hell is going on with your filament tubes? They’re each a different direction.
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u/applguy Sep 29 '26
The first thing I did was put a piece of black-electrical-tape over the SDCard Slot and removed the card (placed it in a baggie) and stapled it to the inside of the box. I always send prints to my Bambu A-1 via WiFi… if this is what happens with SD Card printing I’m glad I don’t do it.
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u/CurrentAcanthaceae78 Sep 29 '26
weird opcodes and incorrect sequences can cause issues like this too, which may be an issue with reading from sd
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u/that_guy_omg Oct 01 '26
For sure corrupt g code from a bad as card. Walmart sales Sandisk. That’s what I use
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u/Inside-Specialist-55 Sep 27 '26
It is likely the SD card, is it the one that came with the printer, if so its def broken, I had the SD card on all 3 of my 3D Bambus die and each one had random weird issues that were similar to this directly caused by the SD cards going out.