Hello everyone, yesterday i received my K40 machine,

Lasers
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Hello everyone, yesterday i received my K40 machine, honestly besides my fan came completely broken. Everything seems okay.
So i aligned all the mirrors, and cleaned them. But i am not able to cut plywood (3mm with 5mm/s 20mA), i have seen someone wrote for reference he is cutting 3mm with 10mm/s 10 mA.
What should i check?

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Alignment - search for the flying wombat alignment on the web - there are many ways to align the beam - only a few work well.

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That was me. There are many things to check: recheck alignment, water cooling temp, lens correct position.

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and focus

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Stock focal lens in k40 and clones is 50.8mm ,so aim for that ddistance to mmiddle ofwhat you are cutting

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And check that the lens is installed correctly - bump side should be up. Lots of times they come installed upside down.