Basic Information: Printer Model: Ender 3 MCU / Printerboard: SKR3 V2 BTT Host / SBC klippy.log klippy (2).log (100.0 KB) I already have a printer running klipper now excellently, so i wanted to upgrade my other printer to it as well. I have a PI 4B flashed with mainsail and connected how …

[image] both lights are on now and… Success! [image] Thank you mykepredko, Sineos & EddyMI3D! I was truly out of my depth

[image] 3dprintnoob92: I’ve got the same firmware i flashed my other printer Are those printers the same and do they have the same printer board?

[image] 3dprintnoob92: when I run ls /dev/serial/by-id/* to get my MCU i get back /dev/serial/by-id/usb-LeafLabs_Maple-if00 which i have in my printer.cfg. This indicates that Klipper is not correctly flashed on the board. See Issues flashing the printer board and in particular make sure you …

Please see images below. Thanks for your help, hope some of these give you a clue to what on earth i’ve gotta do resolve the issue. [image] [image] [image] Could it be a power supply issue as currently the Motherboard is only powdered by the Pi as i have not installed it in the printer?

Unfortunately the screenshots are of no use and you cannot show the issue with screenshots. Again: Your connection string /dev/serial/by-id/usb-LeafLabs_Maple-if00 clearly indicates that the board is not flashed with Klipper. Follow the instructions given in the link above and in particular verify…

i was trying to show you that when i run the command to find my mcu out that it returns ‘/dev/serial/by-id/usb-LeafLabs_Maple-if00’ you can also see that klipper is install on the pi and i have used winscp to extract the klipper.bin file install on the pi. i have used 3 different sd cards all refo…

Show a screenshot of your make menuconfig settings and a screenshot of the printer board where the markings on the MCU can be read.

[image] this? and [image] ? thanks!

How, when and where did you build the firmware for the board? In doubt refer to build-and-flash-the-firmware

[image] I’ve just remade it and tried to flash it again and still getting the same. [image]

Cannot find MCU?

General Discussion

Sineos December 3, 2024, 9:55am 4

This indicates that Klipper is not correctly flashed on the board. See Issues flashing the printer board and in particular make sure you configure for the MCU that is REALLY installed on your board.

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Cannot find MCU?

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