Resurrect print - Babystepping issues

Trideo

Hello

We’ve been having issues with our prints when the resurrect print feature is used, specifically in the cases were babystepping has been applied previously.

We know the babystepping in itself is only meant as an auxiliary tool but in our case we have found there are two use scenarios were its use is necessary for us:

-When printing with our heated chamber machines as the variations between materials and temperatures often require adjustments in the first layer
-When printing with our one cubic meter machines as they are located in a warehouse and the bed behaviour varies depending on the climate.

It’s been noticed that the machine reapplies the babbystepping at the resurrect.g before launching the print.

As we do not home the Z axis when the resurrect is launched then the posible outcomes are the following:

Assuming that when there is a power outage the Z will remain at the correct height then reapplying a negative stepping will lead to the nozzle going further into the model and reapplying a positive stepping will lead to the nozzle getting further away from the model.

Is there any way to avoid this ?

As the resurrect.g is launched after the resurrect_prologue then we haven´t been able to find a way to clear the babystepping prior to the resuming of the print

Thanks in advance

Trideo3D team.

Phaedrux

@trideo said in Resurrect print - Babystepping issues:

we haven´t been able to find a way to clear the babystepping prior to the resuming of the print

I wonder if you could add the clearing of babysteps to the M911 command.

infiniteloop

@trideo Maybe you want to add

M290 R0 S0  ; clear babystepping

to your config.g? As you use baby stepping only to adjust the first layer, that is, on a per-print basis, it does no harm to always start with no babysteps when you power-up the machine.

KennethR

@Trideo Sorry to reply to an old thread, but there aren’t many to ind with this issue.

Was this ever solved?

I’m using a corexy printer at also cannot home Z because of the way the printer is built, and therefore also have the problem that even after restart of the printer the babystep will be reapplied because it’s saved in resurrect.g

Im using Duet 2 wifi with firmware 2.03c

Phaedrux

@KennethR said in Resurrect print - Babystepping issues:

Im using Duet 2 wifi with firmware 2.03c

That's pretty ancient firmware. I would suggest you consider updating to modern release. It may be fixed, I'm not sure, and if it isn't, the fix would only be in a new release anyway.

KennethR

@Phaedrux

I know it’s an old firmware, but the printer came with it and when asking the vendor regarding upgrading the message was that it should work, but he didn’t guarantee it.

So yes, I will definetely upgrade, but only if it is fixed. I read another post regarding resurrect issues and the conclusion was that that there were errors in the a t least a 2021 version of the firmware, and it had to be looked upon. I think I’ll ask the admin that answered that post whether it was ever fixed.

But thanks for your advice