Settings in the Scanner window; Resolution; Scan Type- Page 158

Scanning

151

9

e

Adjust the settings for 

Resolution

, 

Scan Type

, 

Brightness

 and 

Contrast

 in the Scanner Setup dialog 

box as needed.

f

Click 

Start

.

This time only the chosen area of the document appears in the application window.

g

You can refine the image in your editing software.

Settings in the Scanner window

9

Resolution

9

You can change the scanning resolution from the 

Resolution

 pop-up menu. Higher resolutions take more 

memory and transfer time, but produce a finer scanned image. The following table shows the resolutions you 
can choose and the available colors.

Scan Type

9

„

Black & White

Use for text or line art images.

„

Gray (Error Diffusion)

Use for photographic images or graphics. (Error Diffusion is a method for creating simulated gray images 
without using true gray dots. Black dots are put in a specific pattern to give the gray appearance.)

„

True Gray

Use for photographic images or graphics. This mode is more exact because it uses up to 256 shades of 
gray.

„

8 Bit Color

Uses up to 256  colors to scan the image.

Resolution

Black & White/
Gray (Error Diffusion)

8 bit color

True Gray/24 bit color

100 

×

 100 dpi

Yes

Yes

Yes

150 

×

 150 dpi

Yes

Yes

Yes

200 

×

 200 dpi

Yes

Yes

Yes

300 

×

 300 dpi

Yes

Yes

Yes

400 

×

 400 dpi

Yes

Yes

Yes

600 

×

 600 dpi

Yes

Yes

Yes

1200 

×

 1200 dpi

Yes

No

Yes

2400 

×

 2400 dpi

Yes

No

Yes

4800 

×

 4800 dpi

Yes

No

Yes

9600 

×

 9600 dpi

Yes

No

Yes

19200 

×

 19200 dpi

Yes

No

Yes