faulty usb thumb freezing mid print with heater on
 
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Stefan Nicolae
(@stefan-nicolae)
Active Member
faulty usb thumb freezing mid print with heater on

I would like to report the following issue, it might be a security issue.

Yesterday I've used a faulty USB thumb and the printer frozen at 18% (I believe it could not read the gcode file completely).  

The biggest problem is the nozzle remained on at 215 Celsius. I waited about a minute, nothing happened - good thing is I was working near the printer and realised it paused. The printer head has been parked in the "print finished" position - 5 centimeters up and on the left of the object. 

 

I could have waited more time, but I was afraid, so I restarted the printer. I tried again the same print, and my mk4 behaved the same - stopped at 18% midprint, with the nozzle at 215 Celsius and the printhead parked aboved the object.

I then realised the thumb drive could be faulty, resliced the file with the same settings and copied it on a new USB stick. Everything went smooth from that moment on.
Still have the faulty drive 😀

Did somebody experienced something similar?

Posted : 18/10/2023 9:49 am
SweetRide
(@sweetride)
Eminent Member
RE: faulty usb thumb freezing mid print with heater on

My Mk4 has been using USB drives for 4-5 prints, then when trying to wirelessly load a new g-code, I get a faulty drive error in Prusa Slicer.

Oddly enough, the printer itself still recognized the drive and will print from it. If I reformat the drive it acts the same.

 

Posted : 21/10/2023 9:16 pm
Oliver
(@oliver-7)
Active Member
RE:

Intressting, my USB Drive was also faulty. I reformat it and it works for a while. Today it interrupt a 4hours print mid print . I try to read the Stick in my Mac. The stick was not readable anymore. It was the Original Prusa USB Stick. 

Posted : 09/11/2023 6:35 pm
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MadLab 2.0
(@madlab-2-0)
Active Member
RE: faulty usb thumb freezing mid print with heater on

I also have a faulty USB drive, that gave me all sort of strange horizontal lines, but never an interruption mid print.

I explained it here

Posted : 10/11/2023 2:40 pm
ronnie12342003
(@ronnie12342003)
Estimable Member
RE: faulty usb thumb freezing mid print with heater on

prusa slicer locked up on me today would not load a file to usb had to reboot my pc then it worked then my usb shit it self with weird files on it ?? so reformatted it i think i will junk the prusa usb and get a known usb 

Posted : 11/11/2023 10:22 am
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