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I found a similar question in the forum but now need assistance on how to replace the X-axis endstop. I have been scouring for videos and haven't found one yet. Can anyone help me?

The printer turns on, preheats but as soon as I choose a print, it goes to the right and just continues to run. It only stops when I turn it off.

I did a factory reset and no luck. I ordered the new parts but really don't know where to start. It looks like the wires for the endstop run into the body of the machine so it looks like I will be taking the whole thing apart. I am quite nervous about this.

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    $\begingroup$ Hi Samantha, welcome to 3DPrinting.SE! Please link to the question you found. $\endgroup$
    – 0scar
    Jul 26, 2022 at 13:07
  • $\begingroup$ I can't find a video that shows how to replace it on my specific type of 3D printer - Flashforge Adventurer 3. I have not removed it yet b/c I don't know how to get to it. $\endgroup$ Jul 26, 2022 at 17:19
  • $\begingroup$ I've added an answer, please look at the video I linked, I think it is clear how you need to proceed to replace the part. Disclaimer; I don't own the printer, please be sensible, I'm not responsible for damages. ;-) $\endgroup$
    – 0scar
    Jul 27, 2022 at 11:46

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This is not a "how to" to replace the X end stop; this post is meant as a description of the location of the X-axis end stop.

End stops are generally located on the minimum of the axis, but there are exceptions, e.g. Ultimaker has the Z-axis end stop at the bottom, this is the maximum. For the X-axis, end stops can be located on the print head, but more commonly found on the minimum value of the X-axis. The Flashforge Adventurer 3 has the X-axis end stop mounted in the print head.

The image below shows the overview of the X gantry:

enter image description here

Note the flag on the right (encircled in red):

enter image description here

The flag enters (on homing) the rectangular slot on the top rigt, see below:

enter image description here

So, this is where the X-axis end stop is located. This implies that the print head needs to be disassembled.

The X-axis end stop module can be found online as a replacement part, the back looks like this

enter image description here

and the front like this:

enter image description here

It appears that you can take off the top of the printhead cover:

enter image description here

You will instantly see that the end stop module can be found there! It takes 2 screws to replace it (and some connectors!).

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