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    First Layer and Extrusion Problems

    Scheduled Pinned Locked Moved
    Tuning and tweaking
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    • Frederikundefined
      Frederik @Veti
      last edited by

      @Veti yes, its possible. you can set high or low endstop positions in advanced printer setttings

      Vetiundefined 1 Reply Last reply Reply Quote 0
      • Vetiundefined
        Veti @Frederik
        last edited by

        @Frederik
        my recommendation is to not do it. why do you think that is better?

        Frederikundefined 1 Reply Last reply Reply Quote 0
        • Frederikundefined
          Frederik
          last edited by

          what could be the cause of this message :

          G28 Z
          Error: Z probe already triggered at start of probing move
          Error: Homing failed

          i got this message on every 4th or 5th try to home z.

          its a genuine bltouch

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          • Vetiundefined
            Veti
            last edited by

            that sounds like a wiring probem

            Frederikundefined 1 Reply Last reply Reply Quote 0
            • Frederikundefined
              Frederik @Veti
              last edited by

              @Veti i tought, perhaps its the standard and would be better for compatibility or troubleshoooting reasons...

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              • Vetiundefined
                Veti @Frederik
                last edited by

                @Frederik
                no the standard is 0,0 is bottom left.

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                • Frederikundefined
                  Frederik @Veti
                  last edited by

                  @Veti ok , one moment i will check it with my multimeter... could it be a bad crimp ?

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                  • fcwiltundefined
                    fcwilt @Frederik
                    last edited by

                    @Frederik said in First Layer and Extrusion Problems:

                    I could only mount the Endstop on the left side of my carriage and the Y Endstop is at the back

                    Hi,

                    The location of the end stop sensors do not determine where 0, 0 is located.

                    End stop sensors are used during homing, true, but they only "tell" the firmware the hardware is in a known location, which may be at the axis min, the axis max or somewhere else.

                    It is common to have 0, 0 at the left front corner of the bed. Another option is to have 0, 0 at the center of the bed - that is the what I do.

                    Frederick

                    Printers: a E3D MS/TC setup and a RatRig Hybrid. Using Duet 3 hardware running 3.4.6

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                    • Frederikundefined
                      Frederik @fcwilt
                      last edited by

                      @fcwilt Ah ok, now i got it ๐Ÿ™‚

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                      • Frederikundefined
                        Frederik
                        last edited by

                        so, now to a new start... nozzle free again, probe working (was a light loose crimp pin on the black wire)

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                        • Frederikundefined
                          Frederik
                          last edited by

                          ok ,looks good so far. i startet my first 20mm xyz test cube ๐Ÿ™‚ fingers crossed , i hope it will run through without clogging

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                          • Frederikundefined
                            Frederik
                            last edited by

                            This is my very first successful Print:

                            IMG_20201121_115328.jpg
                            IMG_20201121_115242.jpg
                            IMG_20201121_115220.jpg
                            IMG_20201121_115254.jpg

                            It should be 20x20x20
                            And the actual dimensions are

                            X 20.10 MM WITH STEPS 160
                            Y 20.10 MM EITH STEPS 160
                            Z 20.40 MM WITH STEPS 400

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                            • Vetiundefined
                              Veti
                              last edited by

                              you have not calibrated you e steps yet

                              Frederikundefined 1 Reply Last reply Reply Quote 0
                              • Frederikundefined
                                Frederik @Veti
                                last edited by

                                @Veti i forgot E 830

                                Vetiundefined 1 Reply Last reply Reply Quote 0
                                • Vetiundefined
                                  Veti @Frederik
                                  last edited by

                                  @Frederik said in First Layer and Extrusion Problems:

                                  i forgot E 830

                                  i dont know what you mean by that

                                  here is a guide on how to calibration it
                                  https://duet3d.dozuki.com/Guide/Ender+3+Pro+and+Duet+Maestro+Guide+Part+4:+Calibration/40#s165

                                  Frederikundefined 1 Reply Last reply Reply Quote 0
                                  • Frederikundefined
                                    Frederik @Veti
                                    last edited by

                                    @Veti My extruder steps are correct. 100mm are 100mm

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                                    • Vetiundefined
                                      Veti
                                      last edited by

                                      the bottom looks a bit strange, did you enable raft?

                                      Frederikundefined 1 Reply Last reply Reply Quote 0
                                      • Frederikundefined
                                        Frederik @Veti
                                        last edited by Frederik

                                        @Veti brim was activated. but iยดm struggling with the z offset a little bit. sometimes its really good , on the next try its scrubbing over the bed.
                                        The cube was also printed on the backside of my buildplate. not the pei side to avoid any additional damage to my surface. ๐Ÿ˜ž

                                        i adjusted the bed to the subframe assembly with my digital calipers to ~ 0.05mm equal distances.

                                        then i checked my bltouch mountig if it is perpenticular to the bed. that is also good.

                                        then i homed z.

                                        after that a true bed level with G32
                                        another G32

                                        Then mesh compensation with G29 and another G32 to Load the new Heightmap.

                                        Now im testing with ABS Filament. because the pla before was constantly clogging in the heatbreak.

                                        i adjustet my retraction to 1mm with 25mm/s speed and will see if it will be better. i have zero stringing with these settings.

                                        Vetiundefined 1 Reply Last reply Reply Quote 0
                                        • Vetiundefined
                                          Veti @Frederik
                                          last edited by

                                          @Frederik said in First Layer and Extrusion Problems:

                                          after that a true bed level with G32
                                          another G32
                                          Then mesh compensation with G29 and another G32 to Load the new Heightmap.

                                          that is not a good idea. the G32 after the G29 will mess up the mesh. also after running G32 you need to establish a new Z

                                          Frederikundefined A Former User? 2 Replies Last reply Reply Quote 0
                                          • Frederikundefined
                                            Frederik @Veti
                                            last edited by Frederik

                                            @Veti oh, I didn't know that. Then I wonยดt do a G32 after the G28 anymore ๐Ÿ™‚

                                            is the software handling everything after the G32 automatically from the heightmap every time I start a new print?

                                            A Former User? 1 Reply Last reply Reply Quote 0
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