About Toner Saver
The Toner Saver Print Quality selection is intended to save toner costs, similar to draft mode.
Note
Toner Saver is designed to save toner, and can produce poor image quality and undesirable, light, or
washed-out prints.
About Image Quality for Copy and Scan to file
Note
This feature is only available if your system includes the integrated Document Scanner module for
copying and scanning jobs. Also, the halftones available to you depends on whether the Enhanced Line
Screen license is enabled or not.
The Xerox Nuvera is a digital imaging system. The scanner converts full color optical (analog) images
to a gray digital image (0-255 gray scales). The image processing functions adjust the image according
to the image quality features selected. The resulting image is a binary image which records the
'appearance of gray' as a collection of dots varying in spacing and diameter. These dots are made up
of several pixels (picture elements). In a binary image, each pixel element is either 1 or 0.
Image quality involves adjusting the tones(darkness and contrast), sharpness and rendering textures
of the scanned image to get a pleasing output image.
To get a optimal quality scan of an original requires the following types of image processing:
• Detection and suppression of colored and shaded backgrounds
• Removal of halftone screens
• Sharpening of edges in the image
• Lightening or darkening of highlights, midtones and shadows to get good contrast and detail
• Application of new halftone screens to photos and halftones
The higherthe quality ofthe original, the higher quality of the final copy. Image processingadjustments
can only enhance the information which is in the original or suppress undesirable defects. It can not
'create information'.
The key to getting satisfactory scans or copies from your Xerox Nuvera is understanding how to adjust
the image quality processing controls and which controls to adjust. Digital image quality processing can
often create a copy with 'better' image quality than the original. Light text can be enhanced, past-up
lines suppressed and even 'coffee stains' removed. For some applications, such as legal documents, it
is desirable that all information on the original be preserved to create a 'faithful' copy.
Follow the links at the left to learn more about image quality adjustments.
Begin by selecting Choosing the Best Original Type (when scanning or copying)
For help with solving specific image quality problems, see Solving Image Quality Problems.
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