Fujitsu ScanSnap N1800 Operator's Manual page 351

7. In the [Max. File Size] field, enter the maximum file size at which a file is
to be split into multiple files, and press the [OK] button.
When the file size of a single page exceeds the specified maximum file size,
the page is saved as one file.
The file name format of split files is:
"original_file_name-file_number-total_number_of_split_files"
File numbers and the total number of split files are added in four digits.
File numbers are the numbers assigned to individual split files.
For example, if the original file name is "abc", the file number is "1", and the
total number of split files is "5", the file will be shown as "abc0105".
The [Scan to SharePoint] window is shown again.
8. Press of the [Content Type] field.
The [Content Type] window appears.
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