Cleaning hook edge dislocation, not closed

Source：   Time：2016-04-01   Edit：SunyLaser

1, the edited file is correct (Edit);
2, the selected target is outside the layout (select);
3, check the software parameter settings are correct (reset);
4, the computer system error (re installation of the operating system and software);
5, check around belt (a belt tightening);
6, check whether the belt or synchronous wheel slip, jump teeth (tightening wheel or synchronous belt);
7, check whether parallel beams (re adjust belt).