MK4 Crash after filament change (color) NO MMU - Hardware, firmware and software help https://forum.prusa3d.com/forum/english-forum-original-prusa-i3-mk4-hardware-firmware-and-software-help/crash-after-filament-change-color-no-mmu/ Prusa3D Forum Discussion Board en-US Wed, 10 Jun 2026 12:34:01 +0000 wpForo 60 MK4 Crash after filament change (color) NO MMU https://forum.prusa3d.com/forum/english-forum-original-prusa-i3-mk4-hardware-firmware-and-software-help/crash-after-filament-change-color-no-mmu/#post-718374 Fri, 09 Aug 2024 01:02:22 +0000 Screen says remove filament, I do, it then does nothing. When I pressed the button, is says adjust Z axis, then press again. After pressing it crashed!

My filament sensor is failing the selt test. Does not explain the crash.

Firmware 6.04+14924

 

]]> Hardware, firmware and software help Jim Welch https://forum.prusa3d.com/forum/english-forum-original-prusa-i3-mk4-hardware-firmware-and-software-help/crash-after-filament-change-color-no-mmu/#post-718374