Is my board bad or something wrong with klipper? stepper rough vibration
my printer (E3 V2 Neo) was working wonderfully with klipper, suddenly i start to get horrible vibration on Y axis, like dragging a chair on wooden floor.
i though it was maybe some bearing, so i changed everithing: rollers, stepper, pulley, belts, etc (as it has 2 years with no problems, so maybe a few new parts are in order). the printer is properly fixed and sturdy, no rattling on the frame whatsoever.
the problem persisted. redid input shaping, same thing. then i realized with lower speeds (200mm/s), the problem goes out like 95%, i still feel a underling vibration on the axys, like fork on a plate. withour the stepper, the bed move butter smooth on the rails. no mechanical problem there.
then, removed the stepper and even without belt, the problem persist. tested another stepper, same thing.
the thing is, i did update klipper and all components a few days prior, and can't say for sure the problem started after the update, but seems so.
i can only test a new board now, but not sure if problem is HW or SW
video example: https://imgur.com/a/uHLghK5
bed at 200mm/2 vs 400mm/s: https://imgur.com/a/6Njkavu
was working super smooth at 400mm/s 3600acc. until the problem showed up.