(3) Test the alignment of the first and second mirrors when close
Put the double-sided adhesive tape on second mirror (2#). Move the X-axis beam to Position A
(Fig. 4 – 2) near the laser tube. Push the Test Switch button to activate the laser tube and produce
a spot on the tape. To avoid being burnt by the laser, please put a carton board in front of the second
mirror to get the general position of the laser spot.
If the laser spot is not in the center of the second mirror, you will need to adjust the angle of the
first mirror using the knobs behind it (Fig. 4 – 3). First, loosen the screws which restrain the three
adjusting knobs. Next, correct the angle horizontally by turning the two top knobs. Correct the
angle vertically by adjusting the bottom knob.
Fig. 4–2. The second laser in Position A, with tape.
Fig. 4–3. The adjustment knobs behind the first mirror.
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