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citsejam
(@citsejam)
Member
USB stick gets corrupted

Hi Prusa Community,

my MK4s was working flawlessly until recently, where the (original Prusa) USB stick started to get corrupted and neither the printer, nor the PC could read it.

After reformating the stick on the PC, it worked fine again until I ran into the same issue again 2 weeks later.

Is this a known problem?

Does it help to buy a new (better quality?) USB stick or is this a firmware-bug corrupting the stick?

Napsal : 30/10/2025 12:28 pm
hyiger
(@hyiger)
Prominent Member
RE:

 

Posted by: @citsejam

Hi Prusa Community,

my MK4s was working flawlessly until recently, where the (original Prusa) USB stick started to get corrupted and neither the printer, nor the PC could read it.

After reformating the stick on the PC, it worked fine again until I ran into the same issue again 2 weeks later.

Is this a known problem?

Does it help to buy a new (better quality?) USB stick or is this a firmware-bug corrupting the stick?

This is known problem. Same thing happened to mine. Eventually they "wear" out. This is what I use with my printer, it works well and is perfect for devices like the printer: SanDisk 16GB Industrial MLC MicroSD

This post was modified před 13 hours by hyiger
"Some filaments feel the rain, others just get wet"

- Bob Marley

Napsal : 30/10/2025 11:57 pm
1 lidem se líbí
hyiger
(@hyiger)
Prominent Member
RE: USB stick gets corrupted

And I use this as well: Micro SD Card to USB Adapter

"Some filaments feel the rain, others just get wet"

- Bob Marley

Napsal : 31/10/2025 12:03 am
1 lidem se líbí
citsejam
(@citsejam)
Member
Topic starter answered:
RE: USB stick gets corrupted
Posted by: @hyiger

Eventually they "wear" out.

This is astonishing.

Neither did I plug the stick all the time - I was using wifi, so maybe plugged it 10 times in total.

Nor did I write excessive amount of data - I think I barely scratched 500mb on the stick. As I never deleted something, I also did not write to the same memory cells over and over again.

So do they just age, no matter how hard they used? Or is the printer using too high voltages and frying the stick?

Would the issue being resolved with an SSD-Card or would I run into the same thing in 2 years?

 

As I never had any issues with USB sticks on my PC, I just try to understand what exactly is going on here 🙂

Napsal : 31/10/2025 8:42 am
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