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Andrew CampbellAug 18, 2025
How to fix Olympus BX46 bulb not lighting?
- MMartin ThomasAug 18, 2025
If the bulb of your Olympus Microscope does not light, ensure the main switch is set to the “I” (ON) position. Also, check that the power cord is securely plugged into the power outlet and all connectors are properly connected. Verify the bulb is correctly attached and not burned out; replace it if necessary. If you are using a TL4, confirm its main switch is also set to “I” (ON).