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1.4 How to Use the Scanner Driver
fi-4120C2 Image Scanner Operator’s Guide 19
BASIC SCANNER OPERATIONS
1
Halftone
Select the halftone pattern for halftone scanning. This setting is available when "Black
& White" is selected in the "Image Mode".
Brightness
Sets the brightness of the entire image. Specify the brightness as a number within the
range of 1 (dark) to 255 (bright). To brighten the entire image, increase the value of the
setting. To darken the entire image, decrease the value.
Contrast
Sets the contrast between light and shadow of the scanned image. Specify the contrast
as a number within the range of 1 (low [soft]) to 255 (high [sharp]). Increasing this
value makes the contrast sharper.
Scan Type
Selects the scanning method.
Paper Size
Selects a paper size according to the size of the document to be scanned. Select a stan-
dard paper size from the list.
Page Layout
Specifies orientation of the documents as portrait or landscape.
Automatic Size and Skew detection
This option will adjust the output to the detected page size, and it will detect and auto-
matically correct the skew of the document.
With [Priority] slider control, you can change accuracy of Automatic Page Size Detec-
tion. Move the slider to the right when improving the detection accuracy.
Dither Pattern 0 This setting is suitable for scanning dark photographs.
Dither Pattern 1 This setting is suitable for scanning dark-colored docu-
ments containing both text and photographs.
Dither Pattern 2 This setting is suitable for scanning light photographs.
Dither Pattern 3 This setting is suitable for scanning light-colored docu-
ments containing both text and photographs.
Error Diffusion This function minimizes differences of color levels due to
subtractive color process by diffusing the difference to the
adjacent pixels. This mode is suitable for scanning images
of photographs, etc.
Download Executes processing with the dithered download pattern
specified in the dithered download file.
ADF (Front Side) Scans only the front sides of documents.
ADF (Back Side) Scans only back sides of documents.
ADF (Duplex) Scans both front and the back sides of documents.
When this option is selected, the both sides of docu-
ments are scanned simultaneously. This option can be
used only for the models that support duplex scanning.