Tip
To see the impact of the Sharpness control, try scanning a photo from your wallet and/or copying a
light pencil line drawing in photo mode. Scan and proof them with different sharpness settings.
Tip
It is best practices to proof a job when you make image quality adjustments.
Choosing the Best Halftone Setting
If the Enhanced Line Screen license is enabled on your system, the Xerox Nuvera supports a variety of
halftones when printing. If this license is not installed and enabled, the system offers a 125 lpi line
screen. Also, the available selections depend on the Page Description Language (PDL) being submitted.
To select a Halftone
1. Open a job properties window.
2. Select the Image Quality tab.
3. Select the Halftone button and the screen value from the Halftone pull-down menu.
Note
Systems without the Enhanced Line Screen license offer only the 125 lpi 53 degree halftone screen.
Note
For systems with the Enhanced Line Screen license enabled, the system offers 85, 106, 125, 134 and
156 lpi halftone screens. The default 125 lpi 53 degree halftone screen represents 256 levels of gray.
The default halftone screen can be selected for each print queue. The default will be used if a PostScript,
PDF, or TIFF job does not contain a halftone command. This will be the common case because the print
drivers and job submission tool do not send a halftone command by default.
Note
When reprinting a saved job, the system does NOT permit the Halftone Screen value to be changed,
since saved jobs will already have had a halftone applied.
Often the selection of a different frequency will change the resulting Moir texture to one which is more
acceptable, but can not totally eliminate Moir. For more information, see
Systems with the Enhanced Line Screen License
The rich variety of screen frequencies for these systems include 85, 106, 125, 134 and 156 lpi and provide
the flexibility required for a wide variety of applications.
The demo files are located in the Sample Jobs directory on the system. As system administrator, open
and print the .tiff or .xpf file in the appropriate stock size. The job ticket contains all the necessary job
settings. The job prints on letter stock.
The file names are:
• screenfreqdemo_ltr.tif
• screenfreqdemo_ltr.xpf
Xerox
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Nuvera
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User Guide and Training Aid (UGTA)
How Do I...
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