The CellChek 20 (CC20) specular microscopes, along with older XL/SL models, do not require any preventative maintenance aside from periodic cleaning of the optical lenses, operator screen, and exterior shell.
Instructions can also be found within the Cleaning and Maintenance sections of the instructions for use (IFU).
* The older XL and SL models contain a xenon flash tube and illumination bulb that should be replaced periodically (see article on how to check flash count).
* Calibration information can be found here.
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