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Question Gantry moves diagonally and rough in -X and -Y directions, but properly on +X and +Y directions

IBCrazy

Member
Printer Model
Voron 2.4
Extruder Type
Other
Cooling Type
Other
This is driving me nuts! Voron 2.4. Machine homes properly. Smooth in X, Y, and Z.

However:

When telling it to move in -Y (-100) it runs rough and moves diagonally -50Y and +50X.
When telling it to move in -X (-100) it runs rough and moves +50Y and -50X

Yet:

when telling it to move +Y or +X, the gantry moves smoothly the proper amount of distance.
Both +Z and -Z work properly. No problems.


What I *think* is happening:

My guess is one of the steppers (A or B not sure which) only will run in one direction.


Things I have tried:

Reversing direction - Does not home properly
Changing "interpolation" - Has no discernable effect
Changing "home direction" - Gives me errors and won't run

Any help would be appreciated. I checked the forum for similar issues and the only thing I found was a possible mechanical issue but mine appears mechanically correct.

Thank you,
 
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