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This section explains the relationship between resolution and scan size when using the machine as a TWAIN scanner.
To specify the scan area or resolution on the machine you are using as a network TWAIN scanner directly, see the TWAIN driver Help.
Certain original types and resolution settings can reduce scanning quality.
If [Binary(Text)], [Binary(Photo)], or [8 Colors] is selected in [Col./Grad.:]
The scan size determines the maximum possible resolution.
Refer to the table below for the maximum resolution available for each scan size.
Scan size |
Maximum resolution (dpi) |
|---|---|
A4, B5, A5, B6, A6, A3, 11×17, B4, Legal (81/2×14), 81/2×13, Letter (81/2×11), 51/2×81/2 |
600 |
If [Gray Scale] is selected in [Col./Grad.:]
Scan size |
Maximum resolution (dpi) |
|---|---|
Letter (81/2×14) |
520 |
81/2×13 |
540 |
A4 |
578 |
Letter (81/2×11) |
587 |
B5, A5, B6, A6, 51/2×81/2 |
600 |
If [16770K colors] is selected in [Col./Grad.:]
Scan size |
Maximum resolution (dpi) |
|---|---|
Legal (81/2×14) |
300 |
81/2×13 |
312 |
A4 |
333 |
Letter (81/2×11) |
339 |
B5 |
385 |
A5 |
472 |
51/2×81/2 |
479 |
B6 |
546 |
A6 |
600 |
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