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    Possible bug on baby stepping reset

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    • sverrebundefined
      sverreb
      last edited by

      In my printer profile for PETG I am adding some z offset by using baby stepping:

      [[gcode]]
      G28 ; 
      G29 S1 ; Load and activate detailed bed map
      G1 Y1.0 Z0.2 F1000.0 ; prepare to prime
      G92 E0 ; reset extrusion distance
      G1 X60.0 E9.0  F1000.0 ; priming
      G1 X100.0 E12.5  F1000.0 ; priming
      M290 S0.20 ; set baby stepping
      
      

      This works perfectly the first time, however if I make a second print (which uses the same starting script) I see the printer using 0.4mm baby stepping offset.
      The documentation states that homing should reset baby stepping but in my case it does not appear to do so.

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      • SJIundefined
        SJI
        last edited by

        I’ve noticed the same effect with firmware Build 1.20

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        • dc42undefined
          dc42 administrators
          last edited by

          Thanks, I have this on my list to test.

          Duet WiFi hardware designer and firmware engineer
          Please do not ask me for Duet support via PM or email, use the forum
          http://www.escher3d.com, https://miscsolutions.wordpress.com

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          • Falc.beundefined
            Falc.be
            last edited by

            Yep noticed this too

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            • dc42undefined
              dc42 administrators
              last edited by

              I have a feeling that this behaviour was deliberately changed in firmware 1.20 because several users complained that babystepping wasn't remembered from one print to the next.

              Duet WiFi hardware designer and firmware engineer
              Please do not ask me for Duet support via PM or email, use the forum
              http://www.escher3d.com, https://miscsolutions.wordpress.com

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