Hi all. I’ve had a lot of fun using the Sovol SV06 plus for the past year. But come today, I apparently have messed up. While starting a print, I tried to pull some excess leaking PETG filament from the nozzle, right before it starts. Unfortunately, it starts, so I didn’t have enough time to grab it. So I pause the print and played with the z-offset in the printer’s touch screen, and then stop the print. Now, I think I may have messed up the z-offset permanently. Whenever I do an auto-home, the nozzle moves to the left end, then centers itself, and drops too far slamming into the bed. So how can I fix the level without doing the auto-home? I’ve tried stopping the autohome with a piece of metal to the proximity sensor. But this just stops the motion and doesn’t help the printer save the current position its in. So i’m at a loss in what to try now.
Thanks in advance for any help.
Hi,
I may not have understood everything you did, but have you thought about doing the simplest thing, I mean completely recalibrating your printer from the beginning, as if you had just received it?
Regards
Maybe try this:https://youtu.be/SEJVVoFvgMY?si=TBm4mGk0xkL9M1xJ
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@mich0111 This is what i’ve been trying to do. I’m not sure how I can recalibrate the printer’s z-offset, if where the printer thinks zero is misaligned.
@sovol3d I’ve also tried this. No luck, it still slams into the bed.
Have you checked that the autohome probe is correctly positioned?
I once made an autohome while a model was still on the bed.
This raised the probe several centimeters. Until I put it back in place, any attempt at an autohome damaged the board.
Go into the Z-Offset, if you don’t remember the previous number, raise it 2. from where it is now.
EX. if it’s .875, than raise it to 2.875.
If it still hits the bed, raise the Z-Offset more until it doesn’t.
Then go through the setup steps again.
@mich0111 I’m not sure how it can be positioned differently. The proximity sensor is pointing down towards the bed. It lights up when active and does stop when I touch metal to it though. Unfortunately, I don’t think it helps my problem.
@Lion I’ve tried this. Over and over til it hit the max value of 5.0 and its still hitting the bed.
Is it hitting the bed hard or just lightly…??
Try to do a bed level & then set the Z-Offset correctly.
It is hitting the bed hard, as if it wants to go through several mm under the bed.
Do you mean to manually bed level and then set the z-offset? I’m starting to think I need to reset the 0 z-offset because its clearly not using the proximity sensor. or the sensor has been broken. No matter what I change it to, it still moves much lower than it is supposed to.
Yes, manually do a bed level…once it’s done…set the Z-Offset.
The sensor shouldn’t have anything to do with your issue if all you did was adjust the Z-Offset.
You can accidentally push the proximity sensor back into its housing.
When this happens the nozzle will hit the bed hard.
In this case, no z-offset adjustment will fix the problem.
I can’t see the positioning of the probe with this picture.
The only way to know it, it’s to unmount the extruder and to check it.
It’s very easy, 3 screws to remove.
sorry i’m new to this forum so I apparently can’t post many images in a single post. Here’s attempt #2:
I have already told you, if you want to check it, unmount the extruder, 5mn.
After doing it, don’t forget to re-level the bed.
How do you expect me to level the bed with the extruder unmounted? This discussion is going in circles. I don’t think its leading to the core problem either way.
Read this thread & look at the pics.
@Lion Thank you for the link! I think this solves my problem. So apparently, the probe was a bit too high (How Finicky!) it seems to detect the metal plate under it. I unmounted the sensor and tried to home it with me holding the sensor and it stopped. So its not a broken sensor.
I’ll try screwing it tomorrow for a real test.
Glad you find a reply which satisfy you.
Cheers