Xerox 8830 User Manual

Also see for Synergix 8825: User guide Setup guide User guide Release note System introduction

Contents

Xerox 8830 User Manual Manual pdf 18 page image

8825/8830 DDS User Guide/10The Background Suppression area contains a means to correct fordocuments that contain poor contrast between the foreground image and thebackground. Four choices are provided:Auto (factory default) The selection uses a prescanned sample of the leadedge of the document to determine the foreground and thebackground of the document. The background is automaticallysuppressed. This setting works well for most documents. If thecharacteristics of the lead edge are different from the rest of thedocument, another setting may work better.Use this selection for documents with a dark background. Thesetting uses a prescanned sample of the lead edge of the documentto determine the foreground and the background of the document.In this mode, the background is not suppressed, but the foregroundimage is improved to increase the contrast.This selection works best for documents with medium levels ofcolored background on opaque media, or for documents ontranslucent or transparent media, such as vellum (tracing paper) orfilm. The selection uses a prescanned sample of the lead edge ofthe document to determine the foreground and the background ofthe document.Off This setting produces a document that reproduces all thecharacteristics of the original document with minimum alteration.Choose this selection when the lead edge of the document is verydifferent from the rest of the document. If Photo is selected as theOriginal Type, the Off setting is automatically selected. Maps withgrayscale or color content may copy best in this mode.All four settings may be adjusted further by changing the contrast settingunder Copy.LineOffAutoManualOriginalImage QualityReduction &EnlargementPresetTypeMixedPhotoBackgroundSuppressionCopyAuto