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| Q : | What should I do, when the laser can't cut through the acryl or the output power is getting lower? |
| A : | Test the laser spot directly from the output window to check out if the spot is ok. When the spot is not in order, please send the whole laser tube back to us. When the spot is in order, there is no problem with the laser tube. Please check the reflecting mirrors and focus mirrors before the tube is sent back to us. Inform us the tube number and its release date. Make sure the output mirror is not polluted; the negative electrode doesn't appear yellow or purple (see Quality Assurance). |
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