Relationship between Resolution and Scan Size
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When Using as a TWAIN Scanner
This section explains the relationship between resolution and scan size when us-
ing the machine as a TWAIN scanner.
The maximum resolution available for scanning is determined by the original's
horizontal measurement (width).
For example, the width of an A0 × 2 original is 841 mm. Since this is the same as
an A0 original, both A0 × 2 and A0 originals can be scanned at the same maxi-
mum resolution of 652 dpi.
Originals of any vertical length can be scanned at up to 1200 dpi resolution.
The maximum available scanning resolution for each original size is shown be-
low:
Important
❒ Large originals require more memory. Increase available memory by closing
other applications before scanning large originals.
Reference
To specify the scanning area or resolution when using the machine as a net-
work TWAIN scanner, see TWAIN Driver Help.
Width (mm) Maximum resolution (dpi)
Maximum 914 600
A0× 2 841 652
A1× 2 594 923
A0 841 652
B1 728 753
A1 594 923
B2 515 1065
A2 420 1200
B3 364 1200
A3 297 1200
B4 257 1200
A4 210 1200
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