5 Scan
270
Scan
5
Image Enhancement (Erasing the Background Color of Documents/
Adjusting Contrast)
This feature allows you to suppress the background color of a document such as
newspaper and colored paper. In addition, when [Color Scanning] is set to [Color] or
[Grayscale], you can adjust the contrast.
1
Select [Image Enhancement].
2
Set [Background Suppression] and
[Contrast].
Background Suppression
z
Off
Scans the document backgrounds with no filtering.
z
Auto Suppression
When [Color Scanning] is set to [Black & White], the background of a document
printed on colored paper, such as newspaper, will be suppressed.
When [Color Scanning] is set to [Color], the background of a document printed on
white-color paper will be suppressed.
Contrast
Allows you to select a contrast level from five levels between [Less] and [More].
Selecting an upper cell on the bar makes the difference between light and dark areas
greater; light areas become lighter and dark areas darker. In contrast, selecting a lower
cell on the bar makes the difference between light and dark areas smaller.
Shadow Suppression (Suppressing the Document Background)
When you scan a 2-sided document printed on thin paper, this feature allows you to
suppress the image and colors on the reverse side of each document page from
appearing in the scan image.
This feature is available only when [Color Scanning] is set to [Color] or [Grayscale].
Important •
This feature cannot be used with [Photographs].
Summary of Contents for ApeosPort-IV C4430
Page 1: ...ApeosPort IV C4430 DocuCentre IV C4430 User Guide...
Page 12: ......
Page 28: ...1 Before Using the Machine 28 Before Using the Machine 1...
Page 140: ......
Page 220: ......
Page 288: ......
Page 336: ......
Page 378: ......
Page 379: ...13 Appendix This chapter contains a glossary of terms used in this guide z Glossary 380...
Page 386: ......