Reason 1: The focus adjustment inaccurate.
Solution: Re-adjust the focus, the focus of the minimum for the best.
Reason 2: The backlash is not adjusted.
Solution: Reference to software operating manual “backlash adjustment” to adjust.
Reason 3: The pattern output resolution is too low.
Solution: Adjust the resolution.
Reason 4: Text and graphics are incorrect.
Solution: Adjust the treatment program.
Reason 5: Step engraving parameters incorrect.