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    Can't preheat tool before homing

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    • calvinibaundefined
      calviniba
      last edited by

      I just updated the firmware from 2.x to 3.2 on my e3d beta toolchanger and had to redo the config in the process. I tried to start a print but it shows an insufficient axis homed error.

      My start G code goes something like this:

      select tool
      preheat tool and bed
      T-1 (deselect tool)
      home all axis and mesh bed level
      select tool (actually go and get it)
      start print

      previously it didnt care that it wasn't homed when i selected a tool. how do i make it like that again?

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      • Phaedruxundefined
        Phaedrux Moderator
        last edited by

        We'd need to see your gcode files.

        Or you can compare against these RRF3 tool changer files.

        https://github.com/Duet3D/RRF-machine-config-files/tree/master/E3D_Tool_Changer/dc42-duet3-centreZero-2Titan-2Hemera

        Z-Bot CoreXY Build | Thingiverse Profile

        calvinibaundefined 2 Replies Last reply Reply Quote 0
        • calvinibaundefined
          calviniba @Phaedrux
          last edited by

          This post is deleted!
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          • calvinibaundefined
            calviniba @Phaedrux
            last edited by calviniba

            @Phaedrux https://github.com/calviniba/e3d-toolchanger Here are my gcode files for my toolchanger. I'm using a duet 2 wifi board

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            • Phaedruxundefined
              Phaedrux Moderator
              last edited by

              Did you look at the RRF3 examples? Yes its for a Duet 3 but the tool change files would still be relevant. Only pin names would really be different.

              Z-Bot CoreXY Build | Thingiverse Profile

              calvinibaundefined 1 Reply Last reply Reply Quote 0
              • calvinibaundefined
                calviniba @Phaedrux
                last edited by

                @Phaedrux The only thing that I notice is that my toolchanges are done in tpostX.g instead of split between tpreX.g and tpostX.g, but that shouldn't change anything. Am I correct?

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                • calvinibaundefined
                  calviniba
                  last edited by

                  Here is my start gcode in cura:
                  T-1
                  M84 ; motors off
                  M106 P2 S0
                  M106 P4 S0
                  M106 P6 S0
                  M106 P8 S0
                  G28 ;Home
                  G29 ;mesh bed leveling
                  G92 E0
                  M83 ; relative extrusion
                  G92 E0

                  which turns into:
                  T0
                  M190 S110
                  M104 S255
                  M109 S255
                  M82 ;absolute extrusion mode
                  T-1
                  M84 ; motors off
                  M106 P2 S0
                  M106 P4 S0
                  M106 P6 S0
                  M106 P8 S0
                  G28 ;Home
                  G29 ;mesh bed leveling
                  G92 E0
                  M83 ; relative extrusion
                  G92 E0
                  T0

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                  • dc42undefined
                    dc42 administrators
                    last edited by dc42

                    When you select the tool at the start, use the P0 parameter in the T0 command, to tell RRF not to run the tool change files. Similarly on the T-1 command.

                    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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