Manual and Auto Focus Adjustment for Epilog Mini/Helix

Manual and Auto Focus Adjustment for Epilog Mini/Helix

Follow these steps to set up both the manual and auto focus accurately using anodized aluminum.

Tools Needed

  • 4×4 piece of anodized aluminum
  • Manual Focus Gauge (V-shaped tool)
  • #1 Phillips Head Screwdriver

Procedure

  1. Place a 4×4 piece of anodized aluminum inside the laser machine, aligned with the ruler guide. Turn on the engraver.
  2. Open your graphics software and set up a 4×4-inch page. Draw a 2×2-inch black-filled box positioned towards the upper left corner (does not have to be flush).
  3. In the print driver, ensure:
    • Piece Size matches the page size.
    • Auto Focus is set to Yes.
  4. Send the job over as a Raster file using Speed 10 and the recommended power setting from the owner’s manual.
  5. Start the job. While the job is running, press the FOCUS button. Use the UP or DOWN arrows to move the table and locate the brightest burn point.
  6. Press STOP (do not press RESET).
  7. Set the manual focus gauge (V-shaped tool) on the carriage. Adjust the table height so the bottom of the gauge just barely touches the aluminum surface.
  8. If necessary, use a #1 Phillips screwdriver to loosen the two screws on the gauge, adjust its height, and retighten.
  9. To calibrate the Auto Focus:
    • Press STOP and X/Y OFF simultaneously to access the hidden Auto Focus adjustment menu.
    • Adjust the number settings:
      • More negative = table moves higher.
      • More positive = table moves lower.
    • Each change of about 40 units adjusts the table by roughly 1/16 inch.
    • Press GO to save the settings.
  10. Rerun the job, press STOP mid-run, and check auto focus using the gauge.
  11. If adjustment is still needed, repeat Auto Focus calibration until the gauge barely touches the aluminum surface.

Important Notes

  • Ensure materials and focus gauge are clean for accurate adjustments.

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