Basic Information: Printer Model: Prusa i3 rev1.5 reprap MCU / Printerboard: Arduino atmega2560 klippy.log klippy(8).log (638.9 KB) Hello everyone, first of all, sorry for my bad english, i’ll do my best to be understood :slight_smile: I am trying to use klipper on my old prusa i3 from emot…

Hello, Do you have a different probe you can try? It may be the case that that probe is so old it is just fritzing, try to plug in a new prusa probe (if you have one). Hope this helps! Blake

Thanks for your answer, unfortunately i dont’t have any other probe to try. That said, the probe in itself is working properly and act like an endstop and it is totally independant from the mainboard (it has it’s own standalone converting board, and has an amazing accuracy measured with klipper) I…

Accoring the log, the bed mesh procedure runs without issues. Check your hardware. Is the bed warped? Is the printhead drawn away from the bed at the edges?

I am 100% sure this is not a hardware issue (or maybe electronics, but definetly not the probe). I am not a newbie in 3D printing with over 10 years experience, so trust me it’s not hardware related :wink: I switched on a piezo underbed sensor and still had the exactly same issue, and it is plugge…

Here is the video : [prusa bed mesh bug] You can see at the end that the head is sliding against the bed and is not going up as it is supposed to. Here the error message has changed because i am on the piezo sensor and it was already touching the bed, but if i still was on the capaciti…

Have you levelled the bed before? Moving down the head on the left side takes more time than on the right side. And the time decreases as more the head goes to the back. This results to the point the probe can’t un-trigger when lifting up the head. https://www.klipper3d.org/Manual_Level.html#adj…

That’s true, but that’s not the problem i want to solve right now. One of the mesh succeded and i had that deviation : [image] (and my Z position_min is -2 so its not a problem to be unleveled at that point of debugging) I want the printer to stop skiping instructions. Watch the end of the video…

I suggest to fix this levelling issue first for the reason is known and then do the next one. 2.4 mm difference in bed height is way too much to work in halfway proper conditions. [image] Aurescalia: I want the printer to stop skiping instructions. Watch the end of the video you will see the h…

Even if it probes at -1, it should go up to +4 and my max height probed is +1 in that example. That’s incoherent. I’ll do the bed leveling but it’s just a waste of time at that point. It is software related.

16:50:49 : No trigger on probe after full movement (the head slided on the bed so couldn’t be detected by the piezo) 16:50:47 : probe at 142.500,98.000 is z=-0.062500 16:50:44 : probe at 95.000,98.000 is z=0.018750 16:50:42 : probe at 47.500,98.000 is z=-0.029375 16:50:40 : probe at 0.000,98.000…

Help please :) Printer skips commands and fail bed mesh leveling

General Discussion

EddyMI3D May 24, 2023, 5:47pm 18

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Help please :) Printer skips commands and fail bed mesh leveling

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