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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
Содержание VarioPrint MICR i Series
Страница 1: ...VarioPrint i series MICR Operation guide 2015 2019 Canon Production Printing ...
Страница 8: ...Contents 8 VarioPrint i series MICR ...
Страница 9: ...Chapter 1 Introduction ...
Страница 17: ...Chapter 2 Safety and Environment Information ...
Страница 25: ...Chapter 3 Explore the printer ...
Страница 44: ...Integrated camera mounting unit ICMU 44 Chapter 3 Explore the printer VarioPrint i series MICR ...
Страница 45: ...Chapter 4 Getting started ...
Страница 55: ... 37 Password Log in to the printer Chapter 4 Getting started 55 VarioPrint i series MICR ...
Страница 65: ...Chapter 5 Define defaults ...
Страница 96: ...Define the handling of media attributes in JDF ticket 96 Chapter 5 Define defaults VarioPrint i series MICR ...
Страница 97: ...Chapter 6 Job media handling ...
Страница 114: ...Manage the media from control panel 114 Chapter 6 Job media handling VarioPrint i series MICR ...
Страница 115: ...Chapter 7 Transaction printing ...
Страница 154: ...Overrule the set image shift for transaction print jobs 154 Chapter 7 Transaction printing VarioPrint i series MICR ...
Страница 155: ...Chapter 8 Document printing ...
Страница 204: ...5 Touch OK Create a note for the operator 204 Chapter 8 Document printing VarioPrint i series MICR ...
Страница 257: ...Chapter 9 Save energy ...
Страница 269: ...Chapter 10 Manage media definitions ...
Страница 296: ...Adjust the minimum print gap 296 Chapter 10 Manage media definitions VarioPrint i series MICR ...
Страница 297: ...Chapter 11 Manage color definitions ...
Страница 372: ...Create a trapping preset 372 Chapter 11 Manage color definitions VarioPrint i series MICR ...
Страница 373: ...Chapter 12 Print what you expect ...
Страница 425: ...Chapter 13 Maintain the printer ...
Страница 489: ...Chapter 14 Problem Solving ...
Страница 518: ...Adjust media registration parameters 518 Chapter 14 Problem Solving VarioPrint i series MICR ...
Страница 519: ...Chapter 15 References ...
Страница 553: ...Chapter 16 Regulation Notices ...
Страница 562: ...562 Chapter 16 Regulation Notices VarioPrint i series MICR ...
Страница 575: ......