I bought my 2.5w Cron secondhand. The laser used to work perfectly. Then sundenly it is not burning into the wood. the file I used I have engraved before, the light showes on the wood, but it is not burning. What can be the problem?
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I bought my 2.5w Cron secondhand. The laser used to work perfectly. Then sundenly it is not burning into the wood. the file I used I have engraved before, the light showes on the wood, but it is not burning. What can be the problem?