Xerox 6180DN - Phaser Color Laser Printer Handbuch - Seite 9

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Xerox 6180DN - Phaser Color Laser Printer Handbuch

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
0.00
0.20
0.40
0.60
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
Copyright © 2007 MCA Internet, LLC dba BERTL.
All Rights Reserved. The license under which this document is made available and applicable law prohibit any reproduction or further transmission of any portion of this document. This
document may only be viewed electronically through the www.BERTL.com Web site and may not be stored in electronic or hard copy format. Any reproduction of trademarks is strictly
prohibited. BERTL accepts no responsibility for any inaccuracies or omissions contained in this document.
Following are
Print Resolution
Horizontal
Print Resolution
Vertical
Print Density
0.80
1.00
1.20
1.40
1.60
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
10
8
5
5
5
10
BERTL uses synthetic (photographic) test images obtained from ISO
International Standard 12640--Graphic Technology—Prepress Digital
Data Exhange—CYMK Standard Color Image Data (CYMK/SCID) in
order to evaluate the ability to print photographic images.
BERTL technicians use an X-Rite 408 Color Reflection Densitometer in
order to measure color density and dot gain of prints and copies.
May 2007
Xerox Phaser 6180DN
1
1
1
1
6
10
7
8
10
5
May. 18, 07
Page 9