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  1. #31
    Engineer Roberts_Clif's Avatar
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    Using a terminal to control the 3D Printer Send "M119 - Endstop States "

    Then manually press the end-stops to see if all work.
    Then for the Proximity sensor you could use a spatula and tap the senso.r.

    I still hear the stepper grinding, maybe the switch works and the end-stop rest plate is not pressing the switch blade...

  2. #32
    The problem I?m having is the bed is going forward but the switch is in the back of the printer. The bed should go backward not forward. Also too with the z limit switch it is not connected due to the auto leveling sensor. Not sure if that is an issue or not. I can?t figure out why the bed goes forwards when it?s suppose to go backwards.

  3. #33
    Engineer Roberts_Clif's Avatar
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    Simply Change the Direction of the stepper.

    // Invert the stepper direction. Change (or reverse the motor connector) if an axis goes the wrong way.
    #define INVERT_X_DIR false
    #define INVERT_Y_DIR false
    #define INVERT_Z_DIR false

  4. #34
    In the firmware?

  5. #35
    Engineer Roberts_Clif's Avatar
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    There are two way to change the direction of a Stepper motor.
    One - Change in the firmware "#define INVERT_Y_DIR false \\to true "
    Two - Rewire to stepper motor to change direction. If this is done wrong the Driver chip can die/become garbage.

    https://www.youtube.com/watch?v=-iubywKkNEE
    Last edited by Roberts_Clif; 03-13-2019 at 05:24 PM.

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