Originally posted by reh321 They could made a parts substitution, and kept moving as they did with the solenoid; most likely, no one would have noticed.
That assumes that there is or are exact form, fit and function equivalent replacements for the EOL (End of Life) parts. When you start talking about integrated circuits, light sensors, LCD screens, switches, connectors and many others, the probability of such parts existing is quite low. Then take into account that any parts that do meet FFF would still need to be validated by Ricoh to meet performance, quality and reliability requirements. And if the EOL part has anything to do with even minor updates to the firmware of the camera, extensive regression testing would be required to validate the substitution.
Don't forget, we're not talking about parts that are needed in the millions for these cameras, so the likelihood of Ricoh having the purchasing clout to have the manufacturer tool up for a new run of parts they have decided to discontinue is low. I worked in component engineering for many years and fully appreciate the efforts needed to keep electronic products in production for more that a very few years.
At some point the decision has to be made to invest in inventory of parts that may never get used (while forecasting how many will be needed for sales of new units vs. repair parts) or to invest in the R&D needed to redesign the original item or design something new.
I do concede that the KF name implies more than has been has been delivered, if we know all there is to know about it.