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Turn off U1 toolheads that will not be used again to save power #619

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@JeffGoldner

Is there an existing issue for this feature request?

  • I have searched the existing issues

Is your feature request related to a problem?

I printed a model with 820 layers that had mostly one color, black matte PLA, and a PETG support interface layer around 215-217. The prime tower stopped there, as expected, but the printer kept the PETG toolhead idling at 105C for the entire rest of the print, about 5 more hours. 7% of the energy wasted.

Which printers will be beneficial to this feature?

Klipper

Describe the solution you'd like

Turn off toolheads that will not be used again in the print

Describe alternatives you've considered

No response

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No response

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