Z-Offset still doesnt save

Ive been having this issue for a couple of weeks now and i have no clue what it is. I even switched over to RatOS 2.0, but my z-offset still doesn't save and my nozzle stil smashes into the bed after i start the print. Pretty much everytime I start my printer i have to readjust my z-offset. I thought its a mechanical Problem, but at this point i dont think it is and im out of ideas. pls help me XD

blacksmithforlife•6/16/23, 2:11 PM

How are you doing your z-offset?
here is what I do:

home all
z-tilt
home z
issue PROBE_CALIBRATEPROBE_CALIBRATE in the console
use the "paper test" (https://www.klipper3d.org/Bed_Level.html#the-paper-test) - i.e. lower bed manually until paper is lightly gripped by the hotend nozzle
issue ACCEPTACCEPT in console
issue SAVE_CONFIGSAVE_CONFIG in console
restart system
do a test print that is a big square
live adjust until perfect first layer

Now I personally like to manually edit the offset now - but you should also be able to use the SAVE_CONFIGSAVE_CONFIG command again and it update it.

Achi.OP•6/16/23, 2:19 PM

I do it the exact same way

blacksmithforlife•6/16/23, 2:24 PM

then either your mechanical system is causing an issue(not moving correctly), or your probe is causing an issue(not accurate enough, not mounted rigid enough, etc.)

Achi.OP•6/16/23, 2:29 PM

hm ok, maybe i found the problem. the thingy where i mount my probe to the eva is cracked and it wobles slightly that could be it rigt ?

blacksmithforlife•6/16/23, 2:33 PM

absolutely!

blacksmithforlife•6/16/23, 2:33 PM

that WILL cause issues

Achi.OP•6/16/23, 2:57 PM

ok hopefully thats it im just gooing to print a couple of them

Bblacksmithforlife absolutely!

Achi.OP•6/17/23, 10:34 AM

yeah i give up it wasnt because of the broken probe holder. i have no idea what it its and i stop now ive ruined a pretty much new bed because of that chefkiss

Achi.OP•6/17/23, 10:37 AM

@Helge Keck any idead what it could be ?

AAchi.@Helge Keck any idead what it could be ?

Helge Keck•6/17/23, 10:41 AM

how do you know that it doesnt save it?

Helge Keck•6/17/23, 10:41 AM

have you checked the printer.cfg

Achi.OP•6/17/23, 10:42 AM

i missworded it it safes it but it doesnt use it

Helge Keck•6/17/23, 10:42 AM

please share oyur printer.cfg

Achi.OP•6/17/23, 10:42 AM

wil do in 1 minute

Achi.OP•6/17/23, 10:47 AM

@Helge Keck here you go hopefully you can find something

printer_2.cfg16.4KB

AAchi.@Helge Keck here you go hopefully you can find something

Helge Keck•6/17/23, 10:48 AM

which probe do you use?

Achi.OP•6/17/23, 10:48 AM

it should be the superpinda

Achi.OP•6/17/23, 10:48 AM

the one from the vcore 3.1 kit

Helge Keck•6/17/23, 10:49 AM

i see the issue

Helge Keck•6/17/23, 10:49 AM

your probe is too far away from the nozzle

Helge Keck•6/17/23, 10:49 AM

i see a z-offset of 3mm

Helge Keck•6/17/23, 10:49 AM

thats way to far

Achi.OP•6/17/23, 10:49 AM

how close should it be more like 1mm

Helge Keck•6/17/23, 10:49 AM

put your nozzle to the bed, loosen the probe, put a credit card undeath the probe, then retight it

Helge Keck•6/17/23, 10:49 AM

between 1 and max 2mm

Helge Keck•6/17/23, 10:49 AM

1.5 is perfect

Achi.OP•6/17/23, 10:50 AM

ok will do that. thanks alot wouldve never found that

Original message was deleted

Helge Keck•6/17/23, 10:53 AM

please do not hihack your own thread

Achi.OP•6/17/23, 10:55 AM

oh my bad

Z-Offset still doesnt save

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