Basic Information: Printer Model: MCU / Printerboard: klippy.log Fill out above information and in all cases attach your klippy.log file (use zip to compress it, if too big). Pasting your printer.cfg is not needed Be sure to check our “Knowledge Base” Category first. Most relevant items, e.g.…

If you already have Mainsail or Fluidd up and running you can upload the files there. But your questions show that you know nothing and should read and follow the above links at first. Otherwise you risk to damage something easily.

You have no serial port specified. You may look here: https://www.klipper3d.org/Installation.html#building-and-flashing-the-micro-controller Please attach your printer.cfg to your next post.

I see. So I like to point to the Klipper docs. They are more than valuable for understanding, installing and setting up of Klipper. https://www.klipper3d.org/Overview.html https://www.klipper3d.org/Installation.html

You should read through the documentation. I sounds you just installed Klipper onto a SBC but did not yet flash the printer board and did not configure anything (right).

As I just had the same error: how is your primary MCU defined in the printer.cfg? Did you give it a custom name? If so, undo this. Just have a plain [mcu] serial: /dev/serial/by-id/xxx_your_own_id_xxx restart_method: command for it. Additional MCUs can have custom names. See: Configuration ref…

The ultimate reason. Then either go through the link @Sineos posted or try something from here without warranty: [image] Ender 2 Pro Configs Configs Here is my config for an Ender 2 Pro Includes modifications for bltouch Also includes changes to control extruder and c…

Question Abt Klipper New Install

General Discussion

Sineos November 30, 2023, 12:26pm 6

Best approach is working through Installing Klipper with KIAUH from start to end

Topic		Replies	Views
Klipper issues installing/flashing General Discussion	13	2343	April 15, 2024
Klipper config not reflecting properly General Discussion	3	312	November 7, 2024
"Option 'serial' in section 'mcu' must be specified" Yet I have it specified correctly General Discussion	5	269	February 24, 2025
Issues installing Klipper on Ender 3 w/ BTT SKR Mini E3 1.2 General Discussion	3	6641	May 5, 2024
Cannot get Klipper to work! General Discussion	3	186	December 10, 2023

Question Abt Klipper New Install

Related topics