Fujitsu S510 Operator's Guide - Page 99

4.2 Changing Scanning Settings ■ Color mode: You can specify whether to scan documents in color or black-and-white. Select one of the following modes: • Auto Color Detection The ScanSnap automatically recognizes color pages and black-and-white pages, and it switches between color and B&W modes automatically. • Color The ScanSnap scans the document in color mode. This setting suits when color pages are scanned. • B&W The ScanSnap scans the document in black-and-white mode. This setting suits when black-and-white pages, mostly containing text, is scanned. The file sizes are smaller than those scanned in color mode. • Color high compression The ScanSnap saves color document images at a high compression rate. • Normally, set this setting to "Auto Color Detection," and you do not have to 4 HINT change the color mode each time you scan a document. * Note that the following types of documents may be recognized as black-and- Setting the ScanSnap white documents. - Faintly toned paper - Partially colored documents - Documents printed in two colors; many parts of documents are colored in dark color such as dark gray similar to black To scan such documents in color mode, select "Color" in the "Color mode" drop-down list. • In "Color high compression" mode, characters and backgrounds on the document are compressed separately, and thus, the file size of the document that mostly contains text characters becomes smaller while the quality of the characters is kept high. However, this mode is not appropriate for scanning photographs or figures because these graphical materials are recognized as background and compressed as such, causing degradation in images. If this setting is specified, the contrast of the image may become higher. • Depending on the types of documents, file size may increase if you use color high compression mode than if you do not. The file size of the following types of documents may become larger. - Documents that contain many pictures and/or graphics but fewer characters written in black - Documents of complex layout (e.g. multiple columns) - Documents with patterned background ScanSnap S510 Operator's Guide 79