I crashed my new laser head into end because I think I used user cord and not absolute cord but now seems my power is not there help

Community Laser Talk
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OMTech has a surprisingly good collection of setup & maintenance advice in an awkward FAQ format:

Mirror alignment merits an entirely separate article:

Even though the laser head may be knocked askew, it’s worthwhile to verify all the mirrors have good alignment.

If you must realign the laser head to get it perpendicular to the platform, this discussion may be helpful:

Don’t be afraid to dig in with a wrench! :grin: