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Dear Sir:

Not all broken files trigger diagnostics, those examples of broken files in the article you've referenced are not diagnosed as such even by Canon DPP.

We can diagnose that the file is damaged if the internal file structure is damaged, not when a portion of raw data got replaced with arbitrary data of the same length.


Please upload a sample of your broken raw file to some file exchange service, like Dropbox, Google Drive, etc; and e-mail the link to