Why does my DIY printer start printing in air?

1

I've built a DIY 3D printer similar to Prusa i3. It does homing and bed leveling very well with a PNP Lj12a3_4_Z_BY sensor using G28 and G29.

Lj12a3_4_Z_BY

However, when I push the print button on Pronterface or Simplify3D, Z axis goes up about 20mm and starts printing in air. I can't figure out what is going wrong.

2012User

Posted 2018-12-05T22:59:22.830

Reputation: 521

Answers

3

If the cad model was imported from Solidworks into Simplify3D. Push "Center and Arrange" button to place the model in the middle of the Heat Bed. There might be a gap between the object and bed level that is hard to see.

2012User

Posted 2018-12-05T22:59:22.830

Reputation: 521