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This section explains the relationship between resolution and scan size when using the TWAIN driver or the WIA driver with the machine.
To specify the scan area or resolution on the machine you are using as a network TWAIN scanner directly, see the TWAIN driver Help.
Exposure Glass
If [Binary(Text)], [Binary(Photo)], [8 Colors], or [8 Colors(Photo)] is selected in [Col./Grad.:] *
The scan size determines the maximum possible resolution.
See the table below for the maximum resolution available for each scan size.
Scan size |
Maximum resolution (dpi) |
|---|---|
A4 |
600 |
Letter (81/2 × 11) |
602 |
B5 JIS (Japanese Industrial Standard) |
693 |
51/2×81/2 |
825 |
A5 |
848 |
B6 JIS |
979 |
A6 |
1200 |
* If [Black and white] is specified as the Color format in the WIA driver, the value indicates the resolution.
If [Gray Scale] or [16770K colors] is selected in [Col./Grad.:] *
The scan size determines the maximum possible resolution.
See the table below for the maximum resolution available for each scan size.
Scan size |
Maximum resolution (dpi) |
|---|---|
A4, Letter (81/2 × 11) |
600 |
B5 JIS |
693 |
51/2 × 81/2 |
825 |
A5 |
848 |
B6 JIS |
979 |
A6 |
1200 |
* If [Grayscale] or [Color] is specified as the Color format in the WIA driver, the value indicates the resolution.
ADF
All combinations up to Legal (81/2 × 14) and 600 dpi can be scanned.
Certain original types and resolution settings can reduce scanning quality.
