Is a laser tube rendered inoperable due to a dirty output mirror covered by the warranty?
There are two scenarios: There are two scenarios:
1. If the output mirror is rendered inoperable due to internal wear and contamination, it is covered by the warranty;
2. If the output mirror is rendered inoperable due to contamination on its outer surface, this is attributed to the operating environment and usage habits; any resulting decrease in laser tube power is not covered by the warranty.