Basic Information: Printer Model: 2020 Ender 3 Pro MCU / Printerboard: Host / SBC: Raspberry Pi 4 with Octoprint klippy.log (135.1 KB) klippy.log <a name="p-54774-describe-your-issue-im-trying-to-get-klipper-to-run-on-my-ender-3-pro-i-first-set-up-octoprint-and-then-installed-klipper-i-used-make-menuconfig-and-set-it-up-according-to-the-config-file-for-my-printer-from-klipper3d-2" class="anchor" href="#p-54774-describe-your-issue-im-trying-to-get-klipper-to-run-on-my-ender-3-pro-i-first-set-up-octoprint-and-then-installed-klipper-i-used-make-menuconfig-and-set-it-up-according-to-the-config-file-for-my-printer-from-klipper3d-2" aria-label="Heading link"> Describe your issue: I’m trying to get Klipper to run on my Ender 3 Pro. I first set up octoprint and then installed klipper. I used make menucon…

I’ve tried everything listed there and more but nothing works. I just got a new cable today to test that but still no luck unfortunately. But just to confirm, if the .bin flashed correctly, the main screen/control should cease to function right? So if I plug the screen back in and it still functions…

Welcome mesograt, your first post, I guess, you start with Klipper? [image] mesograt: But just to confirm, if the .bin flashed correctly, the main screen/control should cease to function right? Two ways, I may recommend to understand and find a solution for the problem. Use the “search” f…

Yet another mcu 'mcu': Unable to connect Ender 3 pro

General Discussion

Sineos June 26, 2024, 9:26am 2

See Issues flashing the printer board

Topic		Replies	Views
Flashing Klipper on stock Ender-3 General Discussion	4	160	January 20, 2025
Mcu Unable to connect and Printer is not ready, klippy host is attempting to connect, Ender 3 S1 Pro, Follow up to previous post General Discussion	15	238	January 24, 2026
Flashing Ender 3 v2 klipper no serial connection General Discussion	2	118	October 10, 2025
My printer refuses to connect General Discussion	7	146	June 20, 2024
Ender 3 s1 pro 'mcu errror' General Discussion	15	481	August 26, 2024

Yet another mcu 'mcu': Unable to connect Ender 3 pro

Related topics