I am here sharing this problem that is happening to me. I have a printer mounted with Arduino and RAMPS 1.4 shield with A4988 drivers.

I was trying to calibrate the printer when I came across a problem with the X-axis. When I put the axis to move 50 mm, it will move and stop midway. At first, I thought it was a problem with the stepper, however, I had the idea of ​​testing the driver that is on the X-axis on another axis. I put the driver on the Z-axis and the error is now on the Z-axis. So I concluded that the problem is the stepper driver. How can I fix this? (Remember that the Z-axis I configured it to be used in the E1 slot on the RAMPS shield)

But I think this is not the problem, because the X-axis was having the same problem with the same driver and it is configured as standard on the RAMPS shield.

Below I put a video that I recorded, so you can have an idea of ​​my problem.

3D Print problem in driver

  • $\begingroup$ Could be a defective stepper driver or a too high ref. Voltage. Have you set the reference voltage of all steppers to the same value? $\endgroup$
    – 0scar
    May 29 '21 at 6:15

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