Hi Guys
Just received a new 40w laser cutter machine from china, after unpacking all was in good order. Test fired laser and this was working fine, but when I use it through the software the Laser head moves as per pattern produced on the software but the laser itself does not fire, resulting in nothing engraved or cut !

I have checked all the wiring and even tried running the software off another PC but still no go.

Have written to the supplier in China several times, he just keeps saying it could be the software at fault, he even gave me a link to download it again, but I have a deep suspicion it may have something to do with the circuit board or the transformer.

Anyone out there have any ideas, as after 4 days trying everything its driving me round the bend !

Regards
Keith