Canon DR-2010C ユーザーズマニュアル

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In the ISIS/TWAIN driver properties dialog box, click the [Brightness] tab 
→ adjust the [Brightness] slider and [Contrast] slider to adjust the 
brightness and contrast for scanning.

The settings you can specify are as follows:

[Brightness]
Adjusts the brightness of images to be scanned.

y If images are too dark or if text on the back bleeds through, drag the slider 

to the right to increase the brightness.

y If images are too light, drag the slider to the left to decrease the brightness.

[Contrast]
Adjusts the contrast of images to be scanned.

[Used the Back Side Brightness] Check Box
If the brightness of the front and back of the document pages is different, select 
this check box to adjust only the brightness of the back side.

[Used the Back Side Contrast] Check Box
If the contrast of the front and back of the document pages is different, select 
this check box to adjust only the contrast of the back side.

The availability of brightness and contrast settings are as follows, according to the 
setting selected in the [Mode] drop-down list on the [Basic] tab sheet.

{

: Available for setting    

−

 : Not available for setting, or automatically set

7

Scanning mode

Brightness

Contrast

Back Side 

Brightness

Back Side 

Contrast

Black and White

{

{

{

{

Error Diffusion

{

{

{

{

Advanced Text Enhance-
ment

{

−

−

−

Advanced Text Enhance-
ment II

{

{

−

−

256-level Gray

{

{

{

{

24-bit Color

{

{

{

{

Auto Color Detection

{

{

{

{