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Appendix
194
11
How File Size Changes Depending on
Scan Area and Resolution
Scan area and resolution determine the file size of a scanned data. The following
general rules apply:
• Doubling the scan area doubles the file size.
• Doubling the resolution (dpi) quadruples the file size.
• Setting higher resolution makes available scan area smaller, while setting
larger scan area lowers available resolution.
When Using this Machine as a Network TWAIN Scanner
The following tables show file sizes in accordance with the scan area and reso-
lution settings, when scanning is performed by using this machine as a network
TWAIN scanner.
Note
❒ In the following tables, each of the values inside of white cells display the data
size in KB, determined by the scan area to the left and the resolution at the top.
❒ The following tables show file sizes without compression.
❒ Actual file sizes may vary depending on the file type setting (single page, PDF
or multi-page TIFF).
❒ A “-” in a cell means that the combination of the relevant settings is not avail-
able.
❒ Even when a file size is shown in a cell, it may happen that you cannot per-
form a scanning operation with the relevant settings due to the limitation of
the TWAIN-compliant application you use for scanning. For information
about the maximum file size that the application can handle, see the manual
that comes with the application.