| | Likely Cause | Solution | | :--- | :--- | :--- | | Machine won't start. | You didn't pull the red stop out. | Pull the red stop. Feel slightly foolish. | | Holes are oval. | Worn guide bushing. | Replace guide bushing. Or blame the intern. | | Machine is screaming. | Lack of grease. | Grease it. If it still screams, it's Tuesday. | | Part looks like origami. | Wrong program or wrong sheet rotation. | Check code. Rotate sheet 90°. Pretend you meant to do that. |