Hello, we have an issue with our laser work. We produce granite monuments with etched portraits etc. The laser work is unreliable as we see stripes or bands running parallel to the travel of the laser. But not all of the time.. the banding is least likely in off-peak hours, after hours, late etc. So i think we may have an electrical issue with our power supply. (Old building/wiring etc) and the surrounding businesses.

Have any of you experienced the same? I am trying to find a local power conditioner/voltage regulator to rent and see if it cures the problem.

Thoughts?

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