No laser beam extracted from laser head

Observe the current status by pressing the test buttons on the operation panel:

No current: check whether the laser power supply is connected, whether the HV wire is loose or falling off, whether the signal wire...

Check whether the focal distance is proper.

Whether there is too much wet paper laid on the materials, or whether the water on the paper is over amount.

Check whether the laser diode is aging.


Whether the light route is correct...

Adjust the belts on both sides and the belts on beams to proper tightness.

The gap between slipping block is too wide or the metal wheel is frayed.

The synchronizing wheel or the tension wheel is frayed.

The drive...

Whether the serial port and the engraver had been connected reliably with serial cable.

Whether the setup of output port of the software is consistent with the actual need.

There is conflict with the serial port of the computer. Exchange...

Whether the edited files are correct.

Whether the computer operation is correct.

The main board is problematic.

The aim selected is beyond the limitation.


Disturbance.

Whether it had been well grounded.