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    M109 question

    Firmware installation
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    • Torro
      Torro last edited by

      Hi,

      I'm writing a macro to Shut the printer down.
      before M81, the nozzle should cool down.
      M109 R45.

      How could i Do this, when the nozzle is at room Temperature and i don't want it to heat up to 45°?

      Would M109 R<45 work?

      Thanks!

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      • aidar
        aidar last edited by

        Hi.

        You should read Gcode wiki : M81 S1 ; turn power off when all thermostatic fans have turned off.
        So just set your hotend fan as thermostatic and use M81 S1 for power off.

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        • Torro
          Torro last edited by

          Hi,

          You're right. Sorry.

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