By sensors, do you mean the encoders? The devices that determine movement?
They should have small wheels on them that ride against the carriage (forward/backwards) and frame (side to side) and have wires that run back to the head.
Be sure the carriage and frame rails are clean and that the encoder wheels are making good contact across their entire length of movement.
Last edited by mkc; 11-25-2025 at 06:08 AM.