Error code #10120 - Hardware, firmware and software help https://forum.prusa3d.com/forum/original-prusa-sl1-hardware-firmware-and-software-help/error-code-10120/ Prusa3D Forum Discussion Board en-US Sun, 19 Apr 2026 14:07:34 +0000 wpForo 60 RE: Error code #10120 https://forum.prusa3d.com/forum/original-prusa-sl1-hardware-firmware-and-software-help/error-code-10120/#post-740448 Fri, 14 Mar 2025 17:14:22 +0000 Try turning the printer off at the button then at the switch in the back. Then turn everything back on again. For some reason the manual doesn't mention this step. 

]]> Hardware, firmware and software help Dexter https://forum.prusa3d.com/forum/original-prusa-sl1-hardware-firmware-and-software-help/error-code-10120/#post-740448 Error code #10120 https://forum.prusa3d.com/forum/original-prusa-sl1-hardware-firmware-and-software-help/error-code-10120/#post-738115 Tue, 25 Feb 2025 15:06:22 +0000 I've just replaced the screen and connected everything related to manuals. But after callibration I didn't see the Prusa logo and couldn't find the reasons of this.

Cuold you please help me to fix this problem? I've checked all joints, but the error didn't disappear.

Thank you in advance

]]> Hardware, firmware and software help Anna https://forum.prusa3d.com/forum/original-prusa-sl1-hardware-firmware-and-software-help/error-code-10120/#post-738115