When aligning or realigning the optical path of your laser, follow these steps:
(1) Use a low power setting.
We recommend a current of about 6mA.
(2) Test the alignment of the laser tube and first mirror.
Put the double-sided adhesive tape included with your engraver on the first mirror (1#). Push the
Test Switch button to activate the laser tube. You should see a spot appear on the tape near the
center of the mirror. If it is misaligned, adjust the position of the laser tube to correct this.
Fig. 4–1. Optical Path Diagram.
5. Inspect the Alignment of the Engraver’s Optical Path Periodically
Because the mirrors of your engraver’s optical path are fixed but the focus lens can acquire bias during
operation, some optical path offset is possible. For best results, repeat the “Optical Path Alignment”
(4.2) procedure before every project. Otherwise, use it when optical path offset is noticed during opera-
tion.
6. Clean the Exhaust Fan as Needed
After long use, the inside of the fan will accumulate dust and become less effective at removing
fumes and dust produced during operation. To clean the exhaust fan, turn off the laser engraver,
remove the exhaust pipe, and clean the dust from the exposed fan. At the same time, you should
clean the exhaust pipe itself before reconnecting it to the fan. The rate of dust accumulation will
vary depending on the materials processed and the air quality of the working environment, but you
should always cease work and clean your exhaust fan if you notice it making more noise than
usual.
5.2 Optical Path Adjustment
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