M109 question



  • 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!



  • 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.



  • Hi,

    You're right. Sorry.


 

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