Photo And Text Recognition; Image Enhancement - Xerox 4590 System Administration Manual

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Photo and Text Recognition

This feature allows the System Administrator to set the default
level for Photo & Text Recognition. (The Photo & Text function
is used with the Original Type (Image Quality) feature when
copying jobs.) The setting selected here enables the machine to
accurately distinguish text from photos when it scans the original
document.
Select "Photo & Text Recognition" and then select the "Change
Settings" button. Photo & Text Recognition options include the
following:
Select Normal to enable optimum image quality during copy jobs.
Select More Text if the majority of the copy jobs contain mostly
fine print; this enables the machine to recognize the fine print as
text. Select More Photo if the majority of copy jobs contain more
photographs than text. This enables the machine to recognize
newspaper and advertisement halftone images as photos.
NOTE: If a copy job requires a setting other than "Normal," the
System Administrator may change the default level for that
job. However, at the completion of the job, ensure that the default
level is reset to "Normal" in order to provide optimum image
quality on your output.

Image Enhancement

You can select whether or not to carry out image enhancement. If
you select On, copy data is smoothed, to give a smoother
appearance. If Off is selected, the machine will not perform image
enhancement.
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