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XEROX WIDE FORMAT COPY SYSTEM Image Quality • 45
• NORMAL - Saves a document at an average compression
ratio and has average image quality.
• BEST COMPRESSION - Saves a document at a higher
compression ratio but has a lower image quality
Background Suppression
The Background Suppression enables you to make adjustments for
documents that contain poor contrast between the foreground image and
the background. Background Suppression monitors the pre-scans
image, to ensure the best image quality possible. In the PRODUCTIVITY
mode, there is no prescan, therefore Background Suppression is done
while the document is being scanned.
NOTE: Off is the only choice for Photo, Scans, and Color Scanning.
Four choices are provided:
Off This setting disables Background Suppression. It produces a
document that reproduces all the characteristics of the original document
with minimum alteration. Choose this selection when:
• The lead edge of the document is very different from the rest of
the document (e.g., the lead edge contains a black border).
• Maps with grayscale or color content may copy best in this
mode.
• To retain more light color information such as light gray or yellow
(Light) This setting works best for documents on translucent or
transparent media, such as vellum (tracing paper) or film, or with medium
levels of colored background on opaque media or for documents. Such
documents have a higher contrast between the foreground and
background than dark documents, but less contrast than normal
documents.
(Dark) Use this setting for documents with a dark background
or with medium contrast between the foreground and background. In
this mode, the background is not suppressed, but the foreground image
is improved to increase the contrast.
Auto (factory default) - The Scanner automatically adjusts the image
quality parameters to obtain the best copy
NOTE: All three Background Suppression settings can be adjusted
further by changing the contrast setting in the Image Quality, Copy
area.
Copy
The Copy option allows you to darken or lighten the contrast of the copy
with respect to the original document. Press the down arrow key to
darken the contrast. Press the up arrow key to lighten the contrast. The