Ortur laser is on but not burning when using rotary roller

Hello, I am using Ortur laser master 2 20w. Everything was working well until I attached the rotary roller. I covered my travel mug with masking tape to do a test engrave. There is laser coming out from the machine but its not burning the masking tape! I have put it to the highest power still no result. I don’t know what did I do wrong, please check attached screenshots of all the settings and video of the machine not engraving anything. Note that I have adjusted the focus of laser to the smallest dot possible, it’s just hard to get it clear on camera.
Click this link to see the video:
https://drive.google.com/file/d/1N_C6HwLEOxbODSGmLUxFEr0FCwZ6Ff0p/view?usp=sharing




Is it possible that your speed setting is too high?

How does the laser burn to masking to tape without rotary enabled?

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