Xerox 8830 用户手册
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•Document quality
XEROX WIDE FORMAT COPY SYSTEM
•
The document has creases, folds, stains, tears, or extraneous
marks that the Scanner might interpret as foreground.
marks that the Scanner might interpret as foreground.
Preparing documents
When preparing documents for scanning, keep the following points in
mind:
mind:
If documents have been stored rolled up, flatten them out. They will be
much easier to handle if they have been stored flat for at least eight
hours. The longer that documents have been stored flat, the easier it will
be to scan them. Rolled-up documents will typically roll back up after
being scanned.
much easier to handle if they have been stored flat for at least eight
hours. The longer that documents have been stored flat, the easier it will
be to scan them. Rolled-up documents will typically roll back up after
being scanned.
If possible, sort the documents you are going to scan according to these
guidelines:
guidelines:
•
First, group the documents by media type -bond, vellum or
film. Within each document type, you can further group the
documents by image type (e.g., blueprint, pencil, sepia, line,
photo, mixed (photo and line, blueline and pencil), and so
forth).
film. Within each document type, you can further group the
documents by image type (e.g., blueprint, pencil, sepia, line,
photo, mixed (photo and line, blueline and pencil), and so
forth).
•
Line documents contain lines or text against a highly
contrasted background.
contrasted background.
•
Photo documents are continuous-tone or grayscale images.
•
Mixed
documents contain both line elements and photo
elements or halftone images.
•
Scanning groups of documents of the same type or series
(ANSI, ARCH, etc.) minimizes the number of changes you
will need to make to the Image Quality settings.
(ANSI, ARCH, etc.) minimizes the number of changes you
will need to make to the Image Quality settings.
•
Next, divide the documents in each media type group into "good"
and "bad" piles based on your evaluation of their foreground and
background quality. See "What is a good quality document?"
and "What is a bad quality document?" in this section for
assistance in doing so.
and "bad" piles based on your evaluation of their foreground and
background quality. See "What is a good quality document?"
and "What is a bad quality document?" in this section for
assistance in doing so.
•
By grouping the documents in this way, you can scan the good
quality documents first. Then you can focus on the bad quality
documents, which will require more attention.
quality documents first. Then you can focus on the bad quality
documents, which will require more attention.
•
Next, determine if any of the documents are inverted (i.e., white
or light foreground against dark background). If any documents
are inverted, refer to "Inverting an image" in the "Special features
keys" section.
or light foreground against dark background). If any documents
are inverted, refer to "Inverting an image" in the "Special features
keys" section.
•
Finally, sort the documents by size or series (ANSI, ARCH, etc.).
This minimizes the number of times you will need to change the
Media Selection, Output Format settings when using preset or
custom format sizes.
This minimizes the number of times you will need to change the
Media Selection, Output Format settings when using preset or
custom format sizes.