Laser Tube Issues: Decreased laser power or no laser output.

Alignment Problems: Misaligned laser beam causing inaccurate cuts or engravings.

Electrical Failures: Issues with power supply or internal electronics.

Software Problems: Errors or glitches in the operating software or firmware.

Motion System Faults: Problems with the X-Y axis movement, such as jerky motions or stalling.

Optics Contamination: Dirty or damaged mirrors and lenses reducing efficiency.

Material Compatibility: Inability to properly process certain materials.

Focus and Calibration: Difficulties in achieving the correct focal distance or calibration settings.

General Maintenance: Routine maintenance needs that could prevent optimal performance.