Canon DR-5060F Instructions Manual page 40

• When images are saved in BMP, JBIG or JPEG format
An 8-digit folder (0000129F when the file address is "00129") having the same
number as the file address on film is automatically created in the specified
folder, the images of multiple scanned pages are automatically appended with
an 8-digit file name (0000001P, 0000002P, ...) having the same number as the
page address, and images are each saved as different files.
When scanning is performed in the Duplex mode, the page address of the
back and front sides is the same. For this reason, the file name for the
backside is appended with "2", and the file name for the backside becomes a
9-digit name (0000001P2).
When files are separated by "Separator", the file address is incremented by
one, a folder of the same name as the file address is automatically created,
and images are saved in these folders.
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Saving Scanned Images