new mmu3 firmware unload motor stall - Hardware, firmware and software help https://forum.prusa3d.com/forum/original-prusa-i3-mmu3-hardware-firmware-and-software-help/new-mmu3-firmware-unload-motor-stall/ Prusa3D Forum Discussion Board en-US Wed, 20 May 2026 12:55:14 +0000 wpForo 60 new mmu3 firmware unload motor stall https://forum.prusa3d.com/forum/original-prusa-i3-mmu3-hardware-firmware-and-software-help/new-mmu3-firmware-unload-motor-stall/#post-788730 Thu, 09 Apr 2026 00:51:56 +0000 with the recent firmware update i know one of the things they changed was the unload speed by "A refined pressure-relief step right before the unload sequence prevents extruder motor stalls, allowing us to safely increase retraction speed". well i have been getting stalls with even the slightest bit of resistance mostly with one particular roll of sunlu petg. curious if others have had this happening and if there is a way to adjust this.

]]> Hardware, firmware and software help whitestormy https://forum.prusa3d.com/forum/original-prusa-i3-mmu3-hardware-firmware-and-software-help/new-mmu3-firmware-unload-motor-stall/#post-788730