Troubleshooting Guide
25Bend-Tech Dragon
Toolhead & Tools Troubleshooting
03
Laser Light Cable or Plug Issues
Inspect cables, inspect plugs, replace if damaged. Contact Bend-Tech for options available.
3.2 Engraver Troubleshooting
The Engraver is mounted in the center of the Toolhead on the Dragon A400. When the
Engraver is engaged, an air cylinder is pressurized and the tool is pushed down to meet the
material. The pressurized cylinder allows the engraver to ride over contours in the material
without damaging the tool.
3.2.1 Engraver is Marking too Heavy or too Light
Engraving Height Set Incorrectly
In Tube Library > Machine interface > Tool Heights change the Engraving Height value in the
the issue, perform the Engraver calibration process.
Air Pressure is Incorrect
Set the air pressure for the Engraver Actuator Cylinder to 7-8 psi
3.2.2 Engraver is not Turning On
No Air Supply
Check the air lines to the Engraver and the main air supply to machine. Ensure valve on the
Engraver is open. Ensure the bleed valve is open.
3.3 Setting Engraver Air Pressure
The Engraver is driven by pressurized air. It uses two separate regulators located just behind
the Toolhead. The right side regulator controls the Engraver and is pre-set at the Bend-Tech
manufacturing facility to 70-80 PSI. The left side regulator controls the Engraver air cylinder
and is pre-set at the Bend-Tech manufacturing facility to 7-8 PSI.
3.3.1 Engraver Bleeder Valve
The Engraver Actuator Cylinder and air regulator also use an air bleeder screw. The bleeder
valve is open.
Engraver Air Pressure Settings
Engraver 70-80 PSI
Engraver Actuator Cylinder 7-8 PSI
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