100w problem cutting with dots!

Hello everyone.
Only 50days new chinese 100w 6090 laser and out of sudden curved lines start to get cut with dots. I tried anything I could with settings, but no results. Help!

Please show us what this means. :slight_smile:

Yep sorry forgot the picture! Zzz

I cleaned the mirrors, belts/bolts/cables are ok. Same results, but only at smaller cuts. I quess maybe the motors are low quality… [242190123_253542516656259_32405414502653134_n|205x206]242150436_212645367522557_5023142050743277626_n

I think this is a pwm problem

What is your pwm frequency?

Was like that all the time.

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