I had a similar problem. After a G28, the printer reported the nozzle height as 4mm lower than it really was. When I did G1 Z0, it stopped 4mm above the bed. A G29 reported correctly, though. I never...
Type: Posts; User: AbuMaia
I had a similar problem. After a G28, the printer reported the nozzle height as 4mm lower than it really was. When I did G1 Z0, it stopped 4mm above the bed. A G29 reported correctly, though. I never...
How high does the nozzle end up after a G29?
So your Z offset is 1.8. Do you have a Z_RAISE_BEFORE_HOMING, Z_RAISE_BEFORE_PROBING , or a Z_RAISE_BETWEEN_PROBINGS number set?