After about 20 good prints, I had an auto level failure. It went to the four corners, and seem to press down too hard. Then when it went to print, it went down too far and dug a trench into the bed.
I know it looks for a current flow from the print head to the washer to calibrate where the bed is located and if there is sufficient insulation on the print head, this will cause the failure. My question is
1.) What is the best way to prevent this… clean the print head is the obvious answer, and I did that… but any suggestions on the best way to clean it.
2.) Does a failure damage the bed or the print head?