ScanSnap outputs files as compressed color images. While file size vary depending on the document contents and other scanning conditions, refer to the tables below for the file sizes of compressed image data under different modes and compression rates.
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File format:PDF
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Compression rate:3
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Document size:A4
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Document Image:
For information on the resolution (dpi) for each image quality setting, please refer to "What scanning resolutions can I choose from?" 
ScanSnap iX100 / iX500 / SV600 Approximate file sizes for image data
A4 single-sided page (unit: KB kilobytes)
| Color mode | Imge quality | ||||
|---|---|---|---|---|---|
| Auto | Normal | Better | Best | Excellent | |
| Color | 363.6 | 245.6 | 363.6 | 644.8 | 1673.2 |
| Gray | 328.4 | 223.6 | 328.4 | 580.4 | 1832.8 |
| Black and White | 212.8 | 136 | 212.8 | 455.2 | 1300.4 |
ScanSnap S1100i Approximate file sizes for image data
A4 single-sided page (unit: KB kilobytes)
| Color mode | Imge quality | ||||
|---|---|---|---|---|---|
| Auto | Normal | Better | Best | Excellent | |
| Color | 413.6 | 275.7 | 427.7 | 877.9 | 3231.1 |
| Gray | 367.9 | 260.5 | 403.9 | 746.9 | 2729.1 |
| Black and White | 172.4 | 120.2 | 174.0 | 362.0 | 2048.4 |
ScanSnap S1300i Approximate file sizes for image data
A4 single-sided page (unit: KB kilobytes)
| Color mode | Imge quality | ||||
|---|---|---|---|---|---|
| Auto | Normal | Better | Best | Excellent | |
| Color | 415.4 | 268.7 | 410.6 | 838.4 | 3415.6 |
| Gray | 374.4 | 243.6 | 371.7 | 753.8 | 3015.0 |
| Black and White | 172.3 | 115.8 | 173.0 | 347.3 | 2504.0 |