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How do I start a print without initial Z calibration?  

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MohammadAlSooj
(@mohammadalsooj)
New Member
How do I start a print without initial Z calibration?

Hello,

I am working on a project of mine where I change the filament throughout the print. I am aware of the change filament option, and I know that there are sources like prusa control and so on that can generate a gcode that does that. I am trying to print different colors on the same layer within a layer height of 0.2. My gcode files are ready and good to go. The only issue is that when I start the print, the calibration gets in the way of my print.

 

If I can disable it before printing it will solve my problem. Is there any way to do that?

 

Thanks

Veröffentlicht : 03/05/2019 2:57 pm
vintagepc
(@vintagepc)
Mitglied
RE: How do I start a print without initial Z calibration?

You will need something like this setup:

 

https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-user-mods-octoprint-enclosures-nozzles-.../simple-way-to-print-in-real-multi-color-without-mmu-or-layer-height-based-changes/

 

Veröffentlicht : 03/05/2019 3:00 pm
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MohammadAlSooj
(@mohammadalsooj)
New Member
Themenstarter answered:
RE: How do I start a print without initial Z calibration?
Posted by: vintagepc

You will need something like this setup:

 

https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-user-mods-octoprint-enclosures-nozzles-.../simple-way-to-print-in-real-multi-color-without-mmu-or-layer-height-based-changes/

 

True, this is one approach, but it seems like he's only doing it for one face. I am trying to change the filament towards the top of my print. This is why I want to start my print without the initial calibration that the prusa does.

 

Is there a way to disable the calibration?

Veröffentlicht : 03/05/2019 3:40 pm
--
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(@)
Illustrious Member
RE: How do I start a print without initial Z calibration?

Remove a couple of gcode commands in the startup gcode... but I won't be responsible for any carnage if you try removing them.

G28 W ; home all without mesh bed level
G80 ; mesh bed leveling
Diese r Beitrag wurde geändert Vor 6 years 3 mal von --
Veröffentlicht : 03/05/2019 5:29 pm
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vintagepc
(@vintagepc)
Mitglied
RE: How do I start a print without initial Z calibration?
Posted by: alsoojm
Posted by: vintagepc

You will need something like this setup:

 

https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-user-mods-octoprint-enclosures-nozzles-.../simple-way-to-print-in-real-multi-color-without-mmu-or-layer-height-based-changes/

 

True, this is one approach, but it seems like he's only doing it for one face. I am trying to change the filament towards the top of my print. This is why I want to start my print without the initial calibration that the prusa does.

 

Is there a way to disable the calibration?

This works just like a manual MMU where you make the items to have different colours different bodies/STLs in your model. It is not restricted to top layers.

Veröffentlicht : 03/05/2019 6:38 pm
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