How to change Core One profile to standard (not HF) nozzle?
 
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How to change Core One profile to standard (not HF) nozzle?  

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John
 John
(@john-4)
Active Member
How to change Core One profile to standard (not HF) nozzle?

I've replaced the nozzle on my Core One with a standard hardened one.   The only profile I can find is for HF nozzle.   I've disabled HF in the printer settings but how do I do it in the slicer?   Right now I can't print as the gcode check finds the nozzle mismatch.    Help!

 

Posted : 19/02/2026 4:40 pm
mnentwig
(@mnentwig)
Honorable Member
RE:

Type "flow" into the search box (top of screen, halfway to the right). Among entries you'll see:

Size: High flow nozzle [154]

It points to printer - Extruder 1 - Size - High flow nozzle

Posted : 19/02/2026 5:33 pm
John
 John
(@john-4)
Active Member
Topic starter answered:
RE: How to change Core One profile to standard (not HF) nozzle?

Cool, thank you 🙂

Posted : 19/02/2026 5:55 pm
hyiger
(@hyiger)
Famed Member
RE: How to change Core One profile to standard (not HF) nozzle?

 

Posted by: @john-4

I've replaced the nozzle on my Core One with a standard hardened one.   The only profile I can find is for HF nozzle.   I've disabled HF in the printer settings but how do I do it in the slicer?   Right now I can't print as the gcode check finds the nozzle mismatch.    Help!

 

Open the configuration Assistant and select the non HF nozzle

Posted : 20/02/2026 1:30 am
1 people liked
John
 John
(@john-4)
Active Member
Topic starter answered:
RE: How to change Core One profile to standard (not HF) nozzle?

Cool, many thanks! 🙂

Posted : 20/02/2026 3:37 pm
mnentwig
(@mnentwig)
Honorable Member
RE: How to change Core One profile to standard (not HF) nozzle?

True, there is a bit more behind changing the printer profile than just setting the "HF" flag.

Below a "diff" between the two configs:

< filament_infill_max_crossing_speed = 140
---
> filament_infill_max_crossing_speed = 200
87c87
< filament_max_volumetric_speed = 15
---
> filament_max_volumetric_speed = 26
94c94
< filament_ramming_parameters = "250 100 42.4194 42.4194 42.4194 42.4194 42.4194| 0.05 42.4387 0.45 42.4387 0.95 42.4387 1.45 42.4387 1.95 42.4387 2.45 42.4387 2.95 42.4387 3.45 42.4387 3.95 42.4387 4.45 42.4387 4.95 42.4387"
---
> filament_ramming_parameters = "250 100 42.4194 42.4194| 0.05 42.4387 0.45 42.4387 0.95 42.4387 1.45 42.4387 1.95 42.4387 2.45 42.4387 2.95 42.4387 3.45 42.4387 3.95 42.4387 4.45 42.4387 4.95 42.4387"
Posted : 20/02/2026 4:15 pm
John
 John
(@john-4)
Active Member
Topic starter answered:
RE: How to change Core One profile to standard (not HF) nozzle?

Thanks, I'll go check what my settings look like.

Posted : 20/02/2026 6:19 pm
mnentwig
(@mnentwig)
Honorable Member
RE: How to change Core One profile to standard (not HF) nozzle?

There is nothing that looks dramatically important but they are not the same.

I don't bother with printer profiles in everyday use, change HF via the switch but that's less of a recommendation than a confession 🙂 Whatever, it usually prints as intended.

Posted : 20/02/2026 7:14 pm
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