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Example
Description
A
composite gray patch
is a patch where K ink is not used. Instead,
Y, M and C are used to darken the colors. M and Y have the same
value.
An
RGB overprint patch
is a patch where equal amounts of two inks
are used: Y and M, Y and C, C and M. The inks are printed in one
patch to produce R, G, or B.
A
K-only patch
is a patch where only K ink is printed.
The
darkest patch
is the patch which corresponds with the estima-
ted black point. The black point is the Lab value with the lowest L*
value.
A
solid patch
is a patch printed with 100% C, M, Y, or K.
Tolerance levels
The difference between two colors or two groups of colors can be expressed by a color difference
metric.
Every test definition has a pre-defined series of color metrics. The test definition also includes for
every metric a tolerance level to decide if printed color values are close enough to their reference
color values. A tolerance level or threshold level is set before the evaluation takes place. A
tolerance level is also expressed by a
△
(Delta) value. Based on the test outcome, a quality level
can be achieved.
Test results
The control panel shows the main results in the feedback window and the printer lists all test
details in a CGATS report.
The following example is not based on a realistic printer and print environment.
Learn about color validation tests
410
Chapter 12 - Print what you expect
VarioPrint i-series MICR
Summary of Contents for VarioPrint MICR i Series
Page 1: ...VarioPrint i series MICR Operation guide 2015 2019 Canon Production Printing ...
Page 8: ...Contents 8 VarioPrint i series MICR ...
Page 9: ...Chapter 1 Introduction ...
Page 17: ...Chapter 2 Safety and Environment Information ...
Page 25: ...Chapter 3 Explore the printer ...
Page 45: ...Chapter 4 Getting started ...
Page 55: ... 37 Password Log in to the printer Chapter 4 Getting started 55 VarioPrint i series MICR ...
Page 65: ...Chapter 5 Define defaults ...
Page 97: ...Chapter 6 Job media handling ...
Page 114: ...Manage the media from control panel 114 Chapter 6 Job media handling VarioPrint i series MICR ...
Page 115: ...Chapter 7 Transaction printing ...
Page 155: ...Chapter 8 Document printing ...
Page 257: ...Chapter 9 Save energy ...
Page 269: ...Chapter 10 Manage media definitions ...
Page 296: ...Adjust the minimum print gap 296 Chapter 10 Manage media definitions VarioPrint i series MICR ...
Page 297: ...Chapter 11 Manage color definitions ...
Page 372: ...Create a trapping preset 372 Chapter 11 Manage color definitions VarioPrint i series MICR ...
Page 373: ...Chapter 12 Print what you expect ...
Page 425: ...Chapter 13 Maintain the printer ...
Page 489: ...Chapter 14 Problem Solving ...
Page 518: ...Adjust media registration parameters 518 Chapter 14 Problem Solving VarioPrint i series MICR ...
Page 519: ...Chapter 15 References ...
Page 553: ...Chapter 16 Regulation Notices ...
Page 562: ...562 Chapter 16 Regulation Notices VarioPrint i series MICR ...
Page 575: ......