Chapter 8 ISIS/TWAIN Driver Settings

Document Orientation

Specify a rotation angle to correct the orientation of images.

Hint

Scanned images are rotated as follows, according to the orientation of loaded documents and the selected angle.

Feeder

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Document:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Face Up

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Document

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Orientation

0 degrees

90 degrees

180 degrees

270 degrees

(Clockwise)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Image

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[Reverse Image] Check Box (TWAIN driver only)

Select this check box to output images scanned in black- and-white (binary) with the black-and-white shades reversed.

IMPORTANT

This function is not available when the color mode is set to [256- level Gray] or [24-bit Color].

[Text Orientation Recognition] Check Box

Select this check box to detect text orientation in scanned images, and rotate the images in 90º increments as needed to normalize orientation.

Text

Orientation

Output

Image

IMPORTANT

•When [Text Orientation Recognition] is selected, the [Document Orientation] and area settings set in the Scan Area dialog box are disabled.

•Some application programs do not support [Text Orientation Recognition]. Please disable [Text Orientation Recognition] if your application program behaves abnormally when this setting is enabled.

[Erase Dot] Check Box

Select this check box to remove isolated pixels (up to 3x3 dots) from a white background.

[Border Removal] Check Box

Select this check box to remove black areas created around images during scanning when the background color setting on the [Others] tab sheet is set to [Black].

[Punch Hole Removal] Check Box

Select this check box to remove black circles created during scanning of documents with punch holes for storage in a binder when the background color setting on the [Others] tab sheet is set to [Black].

IMPORTANT

If punch holes are located within text or graphics in the document, they may be misidentified as graphics, and may not be removed.

[Prevent Bleed-Through / Remove Background] Check Box

Select this check box to prevent bleed-through when scanning thin document pages and those with dark content on the back side, or to remove the background from document images.

8-16