Geeetech

I adjusted these settings, both physically and programmatically, did not help

http://prntscr.com/ow02hr
http://prntscr.com/ow02ns

1. I reset to factory settings
2. I have adjusted the bar clamp
3. I changed the firmware
4. I changed the feed rate of the bar and added / removed rollback
everything is completely cleaned.

I ask you in detail, with pictures, for points to help ...