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Cefiar
Are the stepper drivers set for 1/16th microsteps (this is what the jumper settings are for? Those numbers in Marlin are fairly specific for fairly standard setups for drivers set up for 1/16th microstep. They will be different if you're using 1/8th microstep or 1/32nd microstep jumper setting for your drivers.
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That is what I am having hard time understanding: By "drivers set for 1/16th microsteps". Is this done in Marlin? if so is it the configuration.h -#define DEFAULT_AXIS_STEPS_PER_UNIT {78.7402,78.7402,2560.68,106.707}
When I change the x and y values lower than the above, the motors seem to start working. But i just do not understand where the 78.7402 comes from?