Image Quality; Printer Image Quality - Xerox PHASER 8560 Brochure

Image Quality

IMAGE QUALITY
BERTL evaulates the output of several "test targets" in
order to determine image quality.
descriptions of key elements of image quality. Note the
numbered examples on each of the test targets shown in
the right column.
Office Color Image Quality
1. Density of Solid Areas - Better contrast; more vivid overall images
2. Line Work - Better production of lines and text
3. Halftones - Better production of photographic and screened images
4. Negative/Positive - Better production of fine detail
Photographic Color Image Quality
5. Fleshtones - Better production of portraits
6. Banding - Better solid and dithered fill
7. Low Contrast - Better production of dark images
8. Saturation - Better production of bright colors
9. Caste – Better color fidelity
10. Fine Detail – Better reproduction of fine details
Office Color Image Quality
Resolution and Image Density
Magenta
Yellow
Cyan
Black
0.0 0.5 1.0 1.5 2.0
Higher = Better
Printed Photo Image Quality
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
Fleshtones Banding Low Contrast
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Following are
Print Resolution
Horizontal
Print Resolution
Vertical
Print Density
2.5 3.0 3.5 4.0 4.5
Photo Quality
Attribute
Saturation Caste Fine Detail
2 4
3
BERTL uses ImageExpert printer test targets for the evaluation of
printed image quality. BERLT technicians measure image density and
evaluate the device's ability to product a full range of halftones and
various sizes of negative/positive text, dots and lines in each primary
printing color (CYMK).
9
10
10
8
10
5
5
5
10
BERTL uses synthetic (photographic) test images obtained from ISO
International Standard 12640--Graphic Technology—Prepress
digital data exhange—CYMK
(CYMK/SCID) in order to evaluate the ability to print photographic
images.
May 2007
Xerox Phaser 8560
www.bertl.com
1 1
1 1
6
10
7
8
10
5
standard colur image data
13 April 2007
Page 9