====== 2019-May-25: This is no longer up to date and requires revision. ======



Sometimes the last stage of the laser focus system becomes misaligned.  This is usually due to vibrations from use over time.

//Some steps require careful timing.  Please read carefully all the way through before attempting this feat.//

  - Put in a piece of scrap wood
  - Adjust the height of the nozzle using the acrylic key hanging inside the main door. return the key.
  - In the Redsail app start a new design. Draw a single horizontal line moving from left to right. Set the speed to 3.
  - Download the design and start.
  - Open the laser cutter door a fraction.  The beam will turn off and the machine will stop moving.
  - Open it even further and, without moving the scrap, observe the difference between the red laser dot and the beam cut.
  - Loosen the bottom screw and adjust the nozzle until the red dot is just inside the right-most end of the cut.  Tighten the screw.
  - Close the door for a moment and open it again.  Note the change.  Repeat if necessary.

Your cuts should now be back to tip-top shape.

More complicated alignments involve high voltage and should not be attempted without advanced laser training.