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Weird USB behavior.  

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Mchad65
(@mchad65)
Trusted Member
Weird USB behavior.

Today I wiped the USB stick I’ve been using in my core one for a couple of months on my pc. When I reinstalled it, I showed “copying files” and for some reason a single object gcode file appears on the stick. 

I thought the C1 has no internal memory, so how in the living hell is a previously printed file being copied back to an empty USB stick. Repeated several times, and the same file keeps appearing. Any ideas why, before I deal with the chat support queue… Thanks.

This topic was modified 12 hours ago by Mchad65
Posted : 02/02/2026 2:26 am
hyiger
(@hyiger)
Noble Member
RE: Weird USB behavior.

Do you have a PrusaConnect account? Were you logged in? You probably had a job queued. Which then downloaded onto the USB drive. 

Posted : 02/02/2026 2:34 am
1 people liked
Mchad65
(@mchad65)
Trusted Member
Topic starter answered:
RE: Weird USB behavior.

Yep, I use connect to send to the printer. But this is a really, really old file. It was printed before Christmas. Once. Weird. I’ll go check my connect account and post back. Thanks,

Posted : 02/02/2026 2:47 am
Mchad65
(@mchad65)
Trusted Member
Topic starter answered:
RE: Weird USB behavior.

You were right. For some reason there were dozens of files still in queue, yet that one particular file kept appearing on the usb stick. I manually deleted them all and now it’s showing clear. Guess I’ll have to clear it manually, which kind of sucks. 

Posted : 02/02/2026 3:47 am
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