Put together a getting started video for the Falcon 2. Mine is a 22W but the 40W would be similar just with different speed and power settings I'm guessing. Hope it helps

My first laser Engraver - Creality Falcon2 22W

Creality Falcon2: 22 Watts of Power and 10 Minutes From Unboxing

User sharing Falcon 2(22W) Laser Engraver Setup Tutorial

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Times Leader 09-07-2011, PDF

Creality CR-Laser Falcon Laser Engraver for Wood, Metal, Acrylic, and Stainless Steel

Creality Falcon 2 Laser Engraver, 22W High Power with Integrated Air Assist, 25,000mm/min High-Precision Engraving and Cutting Machine with Triple

Everyone wants to win a Grammy

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Creality Falcon 2 DETAILED Setup Guide, Assembly, LaserGRBL, Fume