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Ender 3 wrong size bed


iruletheskys
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Nozzle
Joined: 2 months ago

I used firmware builder and when I autohome my x axis is too far left and my y axis is too close to me. In addition to this, my z axis moves up a little bit but the bltouch doesn't deploy and my z axis doesn't start to move downwards. What is causing this problem. Is it my bed size in the firmware builder? I'm using an ender 3 and I've tried 220x220 and 235x235 and both had this probelm.

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Marlin Firmware Service
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Stepper Motor
Joined: 4 months ago

It seems like there's multiple problems here.... First get your BLTouch deploying. Normally this is a cabling problem...

As for centering things, you may need to look at the M851 option in Marlin to fix your probe offset:

https://marlinfw.org/docs/gcode/M851.html

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iruletheskys
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Nozzle
Posts: 3

@marlin-firmware-service So I did a little more investigating and I have the BLTouch working properly but it still leaves the other problem. I can't really describe it well with words so here is a short video of my problem. It doesn't find the center of the bed properly and it starts the probe off of the edge of the bed to where I have to stop it so I don't destroy my machine.

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iruletheskys
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Nozzle
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