The firmware executes macro file ***bed.g***. This macro normally uses G30 commands to probe the bed and then perform auto calibration of a delta printer (see [[Calibrating_a_delta_printer#Section_Auto_calibration|Calibrating a delta printer]]), or perform bed levelling by moving the Z leadscrews independently, or display the manual corrections needed to the bed levelling screws.
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For more detail on using G32 for automatic Delta calibration see: [[Calibrating_a_delta_printer#Section_Auto_calibration|Calibrating a delta printer]]
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For more detail on using G32 for automatic leveling of a cartesian or CoreXY see: [[Bed levelling using multiple independent Z motors]]
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For more detail on using G32 for manual bed leveling assistant see: [[Using the manual bed levelling assistant]]