MP3DP V4 Build

I couldn’t agree more with everything you said. And I hope you, @jeffeb3 and everyone else who has tried to help with this that I appreciate it more than I could ever express. This forum is what gave me the guts to try building this in the first place. And I know that the 3d printer side isn’t your main focus so for you to take so much time out to try and help me means the world!

I just finished messing with the belts. I think I’m going to have to adjust the bed size in the firmware down to 290 in Y It is a lot closer to even now and still hits the Y endstop at the front. Not perfect but a hell of a lot closer than it was. I’m going to give leveling a shot just to see what happens and if it doesn’t go I’m going to attempt to change the Y to 290 in the firmware and see if it will flash. Now that I know I can look at the date in info I should be able to tell if it flashed even if it doesn’t give me the .cur Sounds good in my head at least lol.

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IT WORKED!!!

M420 T1 V1
Bilinear Leveling Grid:
0 1 2 3 4
0 -0.770 -0.250 +0.120 +0.250 +0.210
1 -0.300 -0.020 +0.020 -0.090 -0.300
2 +0.250 +0.200 -0.020 -0.370 -0.840
3 +0.770 +0.470 +0.040 -0.590 -1.320
4 +1.470 +0.950 +0.210 -0.700 -1.740

echo:Bed Leveling ON
echo:Fade Height 5.00
ok

I didnt touch anything this time. just let it go and it actually probed everywhere. I am going to have to bring Y down as it did hit the back corners but thats no big deal. FINALLY!!!

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Damnit. One step forward and now another back. I wasnt paying attention enough when i ran the G34 before the G29. Just did the firmware update and went to run it again. G34 it probes the first spot, -X-Y then moves over and probes +X-Y, Probes both times then moved to the middle of the bed and says probing failed. I dont get it. Its probing just like it always does. Makes no damn sense.

AND… G29 fails now. Literally the only thing i changed in the firmware was Y from 300 to 290. I dont get it

You know we all love a good mystery. This is probably only annoying for you. I bet we are all probably enjoy the puzzle.

Did you edit the probing positions? configadv

No i didn’t. I will look at that. I haven’t touched that at all.

Defiantly annoying. But I do enjoy the learning side of it so not all bad.

Just out of curiosity, did you leave the Macro SDcard in the board?

When I was building my 1st Repeat I have several issues, very similar to yours…

and here…

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If im looking at this right those arent defined so it should use probe limits. Which are set to X300 Y290 and to stay inside 10mm


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No i took it out as soon as I finished flashing the board and then reset the board.

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These are all clearly under 10mm… Significantly. The 13.2 must be some other units. Or maybe they include some offset from the 3 point level.

If you get the probe to work again, I would be interested to see the debug prints next to the final mesh to see if I can find a pattern.

You must be right on the hairy edge of failure when it works.

Can you change Z_PROBE_LOW_POINT to something like -5mm or -10mm?

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is that the M111 S32 before I run the G29?

It is currently set to -2 I will change it to -10 and recompile and see what happens

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Ok 3 point level still doing the same thing. But G29 did work. Going to run it again with the M111 S32 first. Actually if i remember right @vicious1 said the M111 S247 gave more debug info so i will run that one and hopefully come back with good info.

M420 T1 V1
Bilinear Leveling Grid:
0 1 2 3 4
0 +1.160 +0.880 +0.410 -0.240 -1.120
1 +1.490 +0.910 +0.200 -0.680 -1.750
2 +1.900 +1.060 -0.000 -1.110 -2.380
3 +2.280 +1.160 -0.070 -1.470 -3.040
4 +2.720 +1.370 -0.130 -1.770 -3.570

echo:Bed Leveling ON
echo:Fade Height 5.00
ok

Thats what i got from running the G29 after the failed G34

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M111 S247
echo:M111 S247
echo:DEBUG:ECHO,INFO,ERRORS,COMMUNICATION
ok
X:290.0000 Y:290.0000 Z:13.2000 E:0.0000 Count A:29000B:29000 Z:1320
G29
echo:G29
X:10.0000 Y:46.0000 Z:13.2000 E:0.0000 Count A:1000B:4600 Z:1320
X:10.0000 Y:46.0000 Z:-6.8000 E:0.0000 Count A:1000B:4600 Z:-680
X:10.0000 Y:46.0000 Z:9.3600 E:0.0000 Count A:1000B:4600 Z:936
X:80.0000 Y:46.0000 Z:9.0900 E:0.0000 Count A:8000B:4600 Z:909
X:150.0000 Y:46.0000 Z:-6.8000 E:0.0000 Count A:15000B:4600 Z:-680
X:220.0000 Y:46.0000 Z:-6.8000 E:0.0000 Count A:22000B:4600 Z:-680
X:290.0000 Y:46.0000 Z:-6.8000 E:0.0000 Count A:29000B:4600 Z:-680
X:290.0000 Y:107.0000 Z:-6.8000 E:0.0000 Count A:29000B:10700 Z:-680
X:220.0000 Y:107.0000 Z:6.4500 E:0.0000 Count A:22000B:10700 Z:645
X:150.0000 Y:107.0000 Z:7.5200 E:0.0000 Count A:15000B:10700 Z:752
X:80.0000 Y:107.0000 Z:8.4100 E:0.0000 Count A:8000B:10700 Z:841
X:80.0000 Y:107.0000 Z:9.1200 E:0.0000 Count A:8000B:10700 Z:912
X:10.0000 Y:107.0000 Z:9.7000 E:0.0000 Count A:1000B:10700 Z:970
X:10.0000 Y:168.0000 Z:10.1000 E:0.0000 Count A:1000B:16800 Z:1010
X:80.0000 Y:168.0000 Z:-6.8000 E:0.0000 Count A:8000B:16800 Z:-680
X:150.0000 Y:168.0000 Z:-6.8000 E:0.0000 Count A:15000B:16800 Z:-680
X:220.0000 Y:168.0000 Z:-6.8000 E:0.0000 Count A:22000B:16800 Z:-680
X:290.0000 Y:168.0000 Z:7.0700 E:0.0000 Count A:29000B:16800 Z:707
X:290.0000 Y:168.0000 Z:5.8100 E:0.0000 Count A:29000B:16800 Z:581
X:290.0000 Y:229.0000 Z:5.1500 E:0.0000 Count A:29000B:22900 Z:515
X:220.0000 Y:229.0000 Z:6.7300 E:0.0000 Count A:22000B:22900 Z:673
X:150.0000 Y:229.0000 Z:8.1200 E:0.0000 Count A:15000B:22900 Z:812
X:80.0000 Y:229.0000 Z:9.3500 E:0.0000 Count A:8000B:22900 Z:935
X:10.0000 Y:229.0000 Z:10.4800 E:0.0000 Count A:1000B:22900 Z:1048
X:10.0000 Y:290.0000 Z:10.9100 E:0.0000 Count A:1000B:29000 Z:1091
X:80.0000 Y:290.0000 Z:-6.8000 E:0.0000 Count A:8000B:29000 Z:-680
X:150.0000 Y:290.0000 Z:-6.8000 E:0.0000 Count A:15000B:29000 Z:-680
X:220.0000 Y:290.0000 Z:-6.8000 E:0.0000 Count A:22000B:29000 Z:-680
X:290.0000 Y:290.0000 Z:6.4300 E:0.0000 Count A:29000B:29000 Z:643
X:290.0000 Y:290.0000 Z:4.6400 E:0.0000 Count A:29000B:29000 Z:464
Bilinear Leveling Grid:
0 1 2 3 4
0 +1.160 +0.890 +0.410 -0.240 -1.130
1 +1.500 +0.920 +0.210 -0.680 -1.750
2 +1.900 +1.060 -0.000 -1.130 -2.390
3 +2.280 +1.150 -0.080 -1.470 -3.050
4 +2.710 +1.370 -0.150 -1.770 -3.560

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M111 S32
echo:M111 S32
echo:DEBUG:
ok
X:290.0000 Y:290.0000 Z:13.2000 E:0.0000 Count A:29000B:29000 Z:1320
G34

G34 Iteration: 1
X:10.0000 Y:46.0000 Z:34.0028 E:0.0000 Count A:1000B:4600 Z:3400
X:10.0000 Y:46.0000 Z:18.2000 E:0.0000 Count A:1000B:4600 Z:1820
X:10.0000 Y:46.0000 Z:-6.8000 E:0.0000 Count A:1000B:4600 Z:-680
X:290.0000 Y:46.0000 Z:34.0028 E:0.0000 Count A:29000B:4600 Z:3400
X:290.0000 Y:46.0000 Z:24.0500 E:0.0000 Count A:29000B:4600 Z:2405
X:290.0000 Y:46.0000 Z:24.0700 E:0.0000 Count A:29000B:4600 Z:2407
Probing failed
G34 aborted.

I did some research on G34 and seems a lot of people have problems with this. A lot of it being the wrong positions put in the firmware. Well Ryan’s is set to use probe positions so I don’t understand why i can now do a mesh level but cant do a G34 when before G34 worked great and G29 didn’t. Makes no sense. I ran around manually and got the 3 positions so I think I’m going to uncomment that and try setting the positions manually and see if that helps. I did notice while checking that i had X still set at 300 when it is in fact only 290. I made that change and flashed but that didn’t fix the G34. Have to run out real quick but when I get back I’m going to try setting the positions manually and see if that makes any difference.

Well apparently G34 isn’t meant for me today. I have tried and tried but keep coming up short. I attempted to uncomment and set the 3 positions but no matter what i put them to the build fails saying it cant be reached due to probe offset. IDK what the heck I’m doing wrong but I’m sure doing it lol. I sure hope when the board gets here Friday that fixes a lot of this mess and things start working a little more smoothly.

I am interested to see if the board fixes it as well. Complete stumper on this one.

You did try a different micro sd card right? I do have an old one that will run a file but the board just will not flash from, flashed from a new Micro just fine. So that does have some sort of effect, but I think you said you tried a different card.

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Yes i did. Its weird though. I haven’t been getting the firmware.cur but on the settings/info from the LCD it shows a different date and time that equals to when the new firmware was built. And even weirder the last flash I did I put the card back in my computer after and it had the firmware.bin file and a firmware.cur file. the only file on the card was firmware.bin when i went to flash.

Did you try this? Did it make any difference?

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Yes sir I did. I believe that’s why I will complete a G29 now. I just don’t understand why its aborting the G34. It probes the first spot. Then moves across the bed and probes the second spot. And actually probes it like I should. Then moves to the center of the bed and says abort probe failed. And I cant see anything in debug of why. Honestly I don’t see any information with M111 S247 turned on that I see when its turned off. I did see something in the firmware about leveling debug. maybe its turned off?? ill have to check that again

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Screen Shot 2023-03-23 at 8.05.52 AM

Is this why we don’t get any info with debug???

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