Basic Information: Printer Model: ender 3v2 neo MCU / Printerboard: stock board v4.2.2 i think Host / SBC rasberry pi zero2w klippy.log [log]( https://klippy (2).log) klippy (2).log (448.7 KB) Fill out above information and in all cases attach your klippy.log file (use zip to compress it, i…

the problem was a broken sd card reader

You’re using the generic example for the mcu connection, you need to figure out what yours is specifically. Do you have SSH enabled on your Pi? If so, do you know how to connect? You need to run… ls /dev/serial/by-id/* on the command line to see what your printer mcu is. Should look something l…

i did this and my mcu was the same as the generic.

Any chance you can post a screenshot of what the ls /dev/serial command output looks like for your board?

yes [Screenshot 2024-04-01 at 8.31.52 PM]

This might sound weird but try it for me, Try taking out the restart_method = command and then trying connecting again

i deleted it and it still cannot connect, aslo thank you so much for your help.

i have installed the sprite se extruder from creality. it is plug and play so i don’t think it would change anything but maybe it will?

update somone suggested i run by-path and i got this id [Screenshot 2024-04-01 at 9.45.09 PM]

Sorry I got pulled away for work, Did you try using that and see what happens? By-Path is common for certain types of boards.

Cannot connect to the mcu

General Discussion

Sineos April 2, 2024, 5:41am 11

Methodically work through: Issues flashing the printer board

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Cannot connect to the mcu

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