Customer Information: Fudan University
Instrument Information: Nikon Confocal Microscope C2+
Instrument Fault: Weak 405nm laser; long-life mercury lamp 4971H no longer emitting light
Fault Diagnosis: Caused by oxidation of wire terminals at the 405nm laser power supply end
Solution: De-oxidation treatment of 405nm laser wire terminals, calibration and optimization of all wavebands, lens cleaning and maintenance, image capture testing, operating normally.

