NOTE

• You can select the following modes, according to the type of document you want to scan. Note that some functions may be restricted, depending on the mode settings.

„Black-and-White

-[Black and White]

Use this mode to scan text and line drawing documents as black-and-white (binary) images.

-[Error Diffusion]

Use this mode to scan documents containing photos as black-and-white (binary) images.

-[Advanced Text Enhancement] (only for Windows)

Use this mode to scan documents with a dark or non-uniform (pattern) background.

y If the background is uniform it is removed where it surrounds the text. y If the background is non-uniform, such as a pattern, it is processed to

enhance text readability.

-[Advanced Text Enhancement II]

Use this mode to scan documents with a light uniform background and low-contrast text.

y The background in tight spaces around text may not be removed. y Documents with low-contrast text can be made more readable by

adjusting [Contrast] on the [Brightness] tab.

y If the background is non-uniform, such as a pattern, the background remains visible in the scanned image, and text may be hard to read.

„Grayscale

-[256-level Gray]

Scans documents containing photos as grayscale images.

„Color

-[24-bit Color]

Scans documents containing color photos as full-color images.

„Auto Color Detection

-[Auto Color Detection]

Whether a document is black-and-white or color is detected before the scanned image is saved.

y When [Auto Color Detection] is enabled, the [Setting] button is enabled for opening the [Auto Color Detection] dialog box, where you can make settings affecting how color documents are scanned, and select which scanning mode to use for black-and-white.

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yDepending on the application program, operation may become unstable when [Auto Color Detection] is enabled. In that case, [Auto Color Detection] should be disabled.

yFor details, See "Auto Color Detection," on p. 66.

•Depending on the mode setting, other functions may become unavailable, as shown below.

 

Settings Tab

 

 

 

 

 

 

 

 

Deskew

ReductionMoire

emphasisEdge

/

Black/whitereversion*

DropColor-out

Separation**Batch

Prescan

Scanning Mode

BleedPreventThrough RemoveBackground

 

 

 

I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Black and White

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{

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{

{

{

{

{

 

 

 

 

 

 

 

 

 

Error Diffusion

{

{

{

{

{

{

{

{

 

 

 

 

 

 

 

 

 

Advanced Text Enhancement

{

{

{

−

{

{

{

{

(only for Windows)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Advanced Text Enhancement II

{

{

−

−

{

{

{

{

 

 

 

 

 

 

 

 

 

256-level Gray

{

{

{

{

−

{

{

{

 

 

 

 

 

 

 

 

 

24-bit Color

{

{

{

{

−

−

{

{

 

 

 

 

 

 

 

 

 

Auto Color Detection

{

{

{

−

−

−

−

−

{: Available for setting −: Not available for setting or automatically set

*Only available if scanner driver was called from TWAIN compatible application under Win- dows, and under Mac OS X

**Only available if scanner driver was called from ISIS compatible application under Windows

65