Xerox 8850, 8825, 8830, X2 manual Document quality, Dynamic Background Removal

Document quality

Document quality

Document quality is the primary factor in obtaining good copies from scanned originals. For most documents, the four Background Suppression key selections with DYNAMIC BACKGROUND REMOVAL enabled, which is the default setting, provides an accurate copy. Some documents, however, require manual adjustments to the settings to

This section explains the DYNAMIC BACKGROUND REMOVAL feature, describes the characteristics of good quality and bad quality documents, provides tips for preparing and organizing documents for scanning, and summarizes the procedures for scanning documents of different quality types.

Dynamic Background Removal

NOTE: DYNAMIC BACKGROUND Removal cannot be diasable (unchecked) when using the Productivity mode.

The DYNAMIC BACKGROUND REMOVAL eliminates the need to make additional manual adjustments for most input documents. Reference Menu, CONFIGURATION > IMAGE ENHANCEMENT.

This feature allows the system to dynamically adjust itself for each document. There are two modes associated with this feature:

∙When DYNAMIC BACKGROUND REMOVAL is enabled, the image is continually monitored as it is being scanned and the copy quality parameters adjusted to achieve the best copy quality.

∙When DYNAMIC BACKGROUND REMOVAL is not enabled, the process takes a 0.70 inch (17.8 mm) snapshot over the full width of the image after the first 1.5 inches scanned. It uses this fixed area to set the copy parameters for the remainder of the image being scanned. This operating mode should be used for documents with consistent background throughout.

DYNAMIC BACKGROUND REMOVAL only monitors the document in the process direction, from the lead edge to the trail edge. It cannot make adjustment from the left side to the right side of the document. For example, if the input document is dark, DYNAMIC BACKGROUND

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