Occasionally it might be necessary to send in the microscope for maintenance. In many cases this is not necessary for many years. After several years of operation the mechanical parts of the microscope become difficult to move. It is then time to re-lubricate the microscope. Fungal growth (microscopes used in the tropics) on inner optical parts might also be difficult to be removed by
- Send the microscope for maintenance, when the focus knobs or the mechanical stage become difficult to move.
- Send it for maintenance, when parts of the microscope have to be cleaned, such as difficult to reach optics.
- Exchange of lamps and objectives does not require a service department.