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Nozzle Crash - Firmware Bug  

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Ruebarb
(@ruebarb)
Trusted Member
Nozzle Crash - Firmware Bug

This is repeatable, this is not the typical nozzle cleaning failure, this only occurs if I stop this print 3 times in a row (original encounter while adjust brims gaps), it will fail on the 3 print. The nozzle crashes into the plate and obviously fails the cleaning checking. It is the crashing, the nozzle works fine, not mechanical. I can repeat this with any nozzle and build plate doing this same exact thing. You can see the damage this has done to all my build plates. Nevermind this is a $150 Diamond nozzle Prusa is smashing around.  I've been with Prusa support 3 times on this issue. Can't wait for a 4th to show them they have a serious firmware bug, Prusa was blaming mechanical.

 

Vid, the embed feature is broken

https://storage.googleapis.com/prusa3d-content-prod-14e8-wordpress-forum-prod/2026/01/4c7b2cd1-20260117_122209.mp4

Veröffentlicht : 17/01/2026 5:42 pm
Ruebarb
(@ruebarb)
Trusted Member
Themenstarter answered:
RE: Nozzle Crash - Firmware Bug

Correction. If I stop the print 2 times in a row, it occurs on the 3rd attempt.

Veröffentlicht : 17/01/2026 5:50 pm
Ruebarb
(@ruebarb)
Trusted Member
Themenstarter answered:
RE:

Here is a high res vid what it looks like, the plate z doesn't move correctly and the nozzle pushes hard into the plate and then scrapes along at the end and fails.

 

https://drive.google.com/file/d/1f3i8nUDru29zl5zDOWm6PKphf9i0k-E_/view

 

Longer Version

https://drive.google.com/file/d/1fDnu-XUHnkzUwp3Ku4KwRvvfbKX95VNl/view

Veröffentlicht : 17/01/2026 6:02 pm
Juts
 Juts
(@juts)
Active Member
RE: Nozzle Crash - Firmware Bug

Look at this. Same issue reported here https://github.com/prusa3d/PrusaSlicer/pull/15141

I think this is also what I am experiencing. Ill try to recreate it again today. I had been waiting 16 days for prusa support who said it was a faulty cable but couldn't send it before creating documentation. 

Veröffentlicht : 19/01/2026 7:05 pm
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Juts
 Juts
(@juts)
Active Member
RE: Nozzle Crash - Firmware Bug

Look at this. Same issue reported here https://github.com/prusa3d/PrusaSlicer/pull/15141

I think this is also what I am experiencing. Ill try to recreate it again today. I had been waiting 16 days for prusa support who said it was a faulty cable but couldn't send it before creating documentation. 

Veröffentlicht : 19/01/2026 7:10 pm
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