The specification discloses a method of operating an endoscope that includes a main connector at a proximal end and an insertion section extending from the main connector towards a distal end, the main connector being operatively connected with a control unit, the method including: storing operational information of one or more replaceable components of the endoscope in a first portion of a memory of the main connector； storing manufacturing information including at least one manufacturing property of the endoscope in a second portion of the memory of the main connector, wherein the first portion of the memory is logically separated from the second portion； retrieving the stored information； and conveying the retrieved information. The specification also discloses a method and system for preprocessing of imaging data in an endoscopy system to ensure that the quality of image data does not deteriorate during transmission to any external documentation systems.
