Appendix B

Expression 636 Scanner Settings

This appendix contains technical information about the various image processing functions built into the Expression 636 scanner. All functions must be controlled from the scanner software, and most functions can be combined with others to produce a variety of effects.

The table below summarizes the scanner functions and the settings available on your scanner. Each of them is explained in the following pages. All of these functions are controlled from your scanner software.

Scanner functions and settings

Function

Available settings

 

 

Resolution

29 settings from 50 to 2400 dpi (hardware only)

 

Software interpolates to 4800

 

 

Scale

50% to 200% in 1% steps

 

 

Data format

1 to 8 bits/pixel/color

 

Captures up to 12 bits/pixel/color. When it captures

 

over 8 bits, it converts the information to

 

8 bits/pixel/color.

 

 

Color mode

Color line sequence mode, color page sequence

 

mode and monochrome mode (dropout color

 

selectable)

 

 

Brightness

7 levels

 

 

Halftoning mode

3 modes and disabled

 

4 dither patterns

 

2 user-defined dither patterns

 

 

Gamma correction

5 settings for output devices plus 1 user-defined

 

 

Color correction

4 settings for output devices plus 1 user-defined

 

 

Expression 636 Scanner Settings B-1