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Outline of Tone Curve Adjustment

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8.1 Outline of Tone Curve Adjustment 8 8 Tone Curve Adjustment 8.1 Outline of Tone Curve Adjustment The Tone Curve Adjustment is adjustment for output density curve of each color of CMYK. This function of Color Centro enables to adjust the brightness and the contrast for the entire image. Operation of adjustment can be done with dragging the slider or the point of curve. You can operate viewing the preview of the adjustment result. The tone curve can be registered/saved to both of the image controller and computer. The tone curve registered to the image controller can be adopted to the output. You can specify the tone curve to use as default from among registered tone curves when you use "Color Default Settings" function or "Color Configuration Management" function. You can also specify the tone curve to use from the printer driver for each job. 8.1.1 [Tone Curve Adjustment] screen The tone curve adjustment function of Color Centro uses [Tone Curve Adjustment] screen. [Tone Curve Adjustment] screen appears by clicking [Tone Curve Adjustment] button on the [Launcher] screen. To close this screen, select [Close] from [File] menu. [Tone Curve Adjustment] screen is composed as follows; Item [Sample Picture Name] [Select Sample] [Tone Curve Name] [Load Tone Curve] [Before Adjustment] [After Adjustment] Description The name of sample image selected using [Select Sample] appears at the left box of the [Select Sample]. From subsequent launching, the name of sample image selected before appears. Displays [Sample Picture] screen, and select sample image. The name of tone curve loaded using [Load Tone Curve] appears at the left box of the [Load Tone Curve]. Displays [Tone Curve Management] screen, and select the tone curve to load. You can operate to manage the tone curve on [Tone Curve Management] screen. Displays the image before adjustment. Displays the image after adjustment. Every adjustment is reflected on the screen immediately. IC-601 8-2

Section	Page
1 Introduction	9
1.1 Welcome	9
1.1.1 Composition of User's Guide	9
1.1.2 User's Guide	9
1.2 Conventions used in this manual	10
1.2.1 Symbols used in this manual	10
Safety Information	10
Procedural instruction	10
Key symbols	11
1.2.2 Original and paper indications	11
Paper size	11
Paper indication	11
2 Overview of the Color Centro	13
2.1 Color Centro	13
2.1.1 Roles of Color Centro	13
2.2 Control Panel Layout	15
2.3 Operating environment	17
2.3.1 Connectable computers and operating system	17
Windows	17
2.3.2 Interfaces used for connection	17
Connection diagram	17
2.4 Setup procedure	18
3 Precautions for Installation	20
3.1 Introduction	20
3.2 Installer	20
3.2.1 Operating environment of the installer	20
3.2.2 Settings of this machine	21
TCP/IP Settings for the machine	21
4 Installation of Color Centro	23
4.1 Introduction	23
4.2 Installing Color Centro	23
5 Basic Information	27
5.1 Launch Color Centro	27
5.1.1 Login	27
5.2 Screens of Color Centro	29
5.2.1 [Launcher] screen	29
Menu of [Launcher] screen	29
5.2.2 Function Screens	30
[Calibration] screen	31
[Tone Curve Adjustment] screen	31
[Spot Color] screen	32
[Alternative Color Management] screen	32
[Profile Management] screen	33
[Color Default Settings] screen	33
[Color Configuration Management] screen	34
5.3 Exit from Color Centro	35
6 How to Use Color Centro	37
6.1 Color Setting of the Main Body	37
6.1.1 Color Settings	37
6.2 Daily Management	38
6.2.1 Calibration on Color Centro	38
6.3 Adjustment for individual Hues	39
6.3.1 Tone Curve Adjustment	39
6.3.2 Spot Color	39
6.3.3 Alternative Color	39
6.4 Color Setting Workflows by Color Centro	40
6.4.1 Color Settings by using Default Profile	40
6.4.2 Color Settings by using the Color Configuration Management Function	41
6.4.3 Color Settings by using Functions of both Profile Management and Color Default Settings	41
7 Calibration	43
7.1 Outline of Calibration	43
7.1.1 [Calibration] screen	43
List Items	44
List Operations	44
7.1.2 Menu of [Calibration] screen	44
7.1.3 Basic operation of [Calibration] screen	45
7.2 Select the Calibration Method	46
Calibration on Color Centro	46
7.3 Select the Instrument	47
7.4 Print the Chart	48
7.5 Chart Measurement	49
7.6 Remeasurement	50
7.7 Confirm Measurement Result	51
To Confirm the Measurement Result Curve	51
To Confirm Registered Curve	52
7.8 Register the Calibration Data	53
7.9 Reset the Calibration Data	54
8 Tone Curve Adjustment	56
8.1 Outline of Tone Curve Adjustment	56
8.1.1 [Tone Curve Adjustment] screen	56
8.1.2 Menu of [Tone Curve Adjustment] screen	58
8.1.3 Basic operation of [Tone Curve Adjustment] screen	59
8.2 Select Sample Image	60
8.2.1 [Sample Picture] screen	60
8.2.2 Menu of [Sample Picture] screen	61
8.2.3 Select Sample Image	61
8.3 Confirm Sample Image	62
To confirm the image by moving within the preview area	62
To confirm the image by rotating the preview	62
To confirm the image by enlarging/shrinking the preview	62
To display/hide images of [Before Adjustment] and [After Adjustment]	62
8.4 Load the Tone Curve	63
8.4.1 [Tone Curve Management] screen	63
List Items	64
List Operations	64
8.4.2 Menu of [Tone Curve Management] screen	64
8.4.3 Load the Tone Curve	65
8.5 Create the New Tone Curve	66
8.6 Adjust the Brightness/Contrast	67
8.6.1 [Brightness/Contrast] tab	67
8.6.2 Brightness/Contrast Adjustment	68
8.7 Adjust the Each Color	69
8.7.1 [Adjust Each Color] tab	69
8.7.2 Basic operation of [Adjust Each Color] tab	70
Select the Combination	70
Basic operation	70
Adjust with Point/Reference Point	70
8.8 Confirmation Print	72
8.9 Save the Tone Curve	73
8.10 Tone Curve Management	74
Copy the Tone Curve	74
Export the Tone Curve	74
Register the Tone Curve to the Image Controller	75
Delete the Tone Curve	76
Change the Tone Curve Information	76
8.11 Reset the Tone Curve	77
9 Spot Color	79
9.1 Outline of Spot Color	79
9.1.1 [Spot Color] screen	79
List Items	80
9.1.2 Menu of [Spot Color] screen	80
9.1.3 Basic Operation of [Spot Color] screen	81
9.2 Load the Spot Color Table	82
9.2.1 [Spot Color Table Management] screen	82
List Items	83
List Operations	83
9.2.2 Menu of [Spot Color Table Management] screen	83
9.2.3 Load the Spot Color Table	84
9.3 Create the New Spot Color Table	85
9.4 Select the Spot Color / Add the New Spot Color	86
Select the Spot Color	86
Add the New Spot Color	86
9.5 Adjust the Spot Color Manually	87
9.6 Adjustment of Spot Color with the Printed Chart	88
9.7 Save the Spot Color Table	90
9.8 Change the Priority of the Spot Color Table	91
9.9 Spot Color Table Management	92
Copy the Spot Color Table	92
Export the Spot Color Table as Profile	92
Register the Spot Color Table to the Image Controller	93
Delete the Spot Color Table	94
Change the Spot Color Table Information	95
Change the Priority of the Spot Color Table	95
9.10 Spot Color Table Management	96
Rename the Spot Color	96
Copy the Spot Color	96
Delete the Spot Color	97
9.11 Initialize the Spot Color Screen	98
10 Alternative Color	100
10.1 Outline of Alternative Color	100
10.1.1 [Alternative Color Management] screen	100
List Items	102
10.1.2 Menu of [Alternative Color Management] screen	102
10.1.3 Basic Operation of [Alternative Color Management] screen	103
10.2 Select the Alternative Color / Add the New Alternative Color	104
Select the Input Color	104
Add the New Alternative Color	104
10.3 Adjust the Input Color	106
10.4 Adjust the Output Color	107
Specify the Value	107
Select from Spot Color	107
10.5 Change the Priority of the Alternative Color	109
10.6 Register the Alternative Color	110
10.7 Alternative Color Management	111
Copy the Alternative Color	111
Delete the Alternative Color Setting	112
11 Profile Management	114
11.1 Outline of Profile Management	114
11.1.1 [Profile Management] screen	114
List Items	115
List Operations	115
11.1.2 Menu of [Profile Management] screen	116
11.2 RGB Source Profile Management	117
11.2.1 Copy from the Image Controller	117
11.2.2 Delete	118
11.2.3 Change the Information	119
11.2.4 Export from the Image Controller	120
11.2.5 Import (Register) to the Image Controller	121
11.3 CMYK Target Profile Management	122
11.3.1 Copy from the Image Controller	122
11.3.2 Delete	122
11.3.3 Change the Information	123
11.3.4 Export from the Image Controller	124
11.3.5 Import (Register) to the Image Controller	124
11.4 Create the CMYK Target Profile	126
11.4.1 Launch Color Centro Profiler	127
11.4.2 Set the Profile Name and the Destination	128
11.4.3 Select the Measurement Method	129
11.4.4 Chart Measurement	130
11.4.5 Select UCR/GCR Setting	131
11.4.6 Enter the Comment	131
11.4.7 Confirm and Complete the Profile	132
11.5 Printer Profile Management	133
11.5.1 Copy from the Image Controller	133
11.5.2 Delete	134
11.5.3 Change the Information	135
11.5.4 Export from the Image Controller	136
11.5.5 Import (Register) to the Image Controller	137
11.6 Create the Printer Profile	138
11.6.1 Launch Color Centro Profiler	139
11.6.2 Set the Profile Name and the Destination	140
11.6.3 Select Measurement Method / Paper Setting	141
11.6.4 Chart Measurement	142
11.6.5 Select UCR/GCR Setting	143
11.6.6 Enter the Comment	144
11.6.7 Confirm and Complete the Profile	145
11.7 RGB-CMYK Device Link Profile Management	146
11.7.1 Copy from the Image Controller	146
11.7.2 Delete	147
11.7.3 Change the Information	148
11.7.4 Export from the Image Controller	149
11.7.5 Import (Register) to the Image Controller	150
11.8 Create the RGB-CMYK Device Link Profile	151
11.8.1 Launch Color Centro Profiler	152
11.8.2 Set the Profile Name and the Destination	153
11.8.3 Determine the Profiles	154
11.8.4 Customize the Color Conversions	155
11.8.5 Enter the Comment	156
11.8.6 Confirm and Complete the Profile	157
11.9 Edit the RGB-CMYK Device Link Profile	158
11.9.1 Launch Color Centro Profiler	159
11.9.2 Set the Profile Name and the Destination	160
11.9.3 Adjust the Point Color / Profile Curve	161
Add the New Spot Color	163
Edit the Existing Point Color	164
Delete the Existing Point Color	164
Adjust the Profile Curve	164
11.9.4 Complete the Profile	165
11.10 CMYK-CMYK Device Link Profile Management	166
11.10.1 Copy from the Image Controller	166
11.10.2 Delete	167
11.10.3 Change the Information	168
11.10.4 Export from the Image Controller	169
11.10.5 Import (Register) to the Image Controller	170
11.11 Create the CMYK-CMYK Device Link Profile	171
11.11.1 Launch Color Centro Profiler	172
11.11.2 Set the Profile Name and the Destination	173
11.11.3 Determine the Profiles	174
11.11.4 Customize the Color Conversions	175
11.11.5 Enter the Comment	177
11.11.6 Confirm the Calculation Result	177
11.11.7 Select the Task	178
11.11.8 Execute the Measurement Feedback	179
11.11.9 Complete the Profile	182
11.12 Edit the CMYK -CMYK Device Link Profile	183
11.12.1 Launch Color Centro Profiler and Select the Task	184
11.12.2 Confirm the Procedure	185
11.12.3 Set the Profile Name and the Destination	185
11.12.4 Execute the Measurement Feedback	186
11.12.5 Adjust the Point Color / Profile Curve	187
Add the New Spot Color	188
Edit the Existing Point Color	189
Delete the Existing Point Color	189
Adjust the Profile Curve	190
11.12.6 Complete the Profile	191
12 Color Default Settings	193
12.1 Outline of Color Default Settings	193
12.1.1 [Color Default Settings] screen	193
12.1.2 Menu of [Color Default Settings] screen	196
12.1.3 Basic operation of [Color Default Settings] screen	196
12.2 Confirm the name of Default Color Configuration	197
12.3 Default Manual Settings	198
12.3.1 Set the Default Settings of the RGB-CMYK Conversion	198
12.3.2 Set the Default Settings of the CMYK-CMYK Conversion	198
12.3.3 Set the Other Default Settings	199
12.4 Set Color Verification	201
12.6 Color Default Settings	202
13 Color Configuration Management	204
13.1 Outline of Color Configuration Management	204
13.1.1 Outline of Profile Set	204
13.1.2 Outline of Color Configuration	205
13.1.3 [Color Configuration Management] screen	207
List Items	208
List Operations	208
13.1.4 Menu of [Color Configuration Management] screen	209
13.2 Create the new Color Configuration	210
13.2.1 Set the Name of Color Configuration	210
13.2.2 Select the Profile Set	210
13.2.3 Set the Default Profile Set Setting / Paper Type Default Setting.	211
13.2.4 Set the Color Conversion Option	212
13.2.5 Register the Color Configuration	212
13.3 Edit the Color Configuration	213
13.4 Color Configuration Management	214
13.4.1 Change the Default Color Configuration	214
13.4.2 Copy the Color Configuration	214
13.4.3 Delete the Color Configuration	214
13.4.4 Import (Register) / Export the Color Configuration	215
Export the Color Configuration	215
Import (Register) the Color Configuration	216
13.4.5 Reset the Default Color Configuration	216
13.5 Create the Profile Set	217
13.5.1 Launch Color Centro Profiler	218
13.5.2 Specify the Profile Set Name	218
13.5.3 Determine the Profiles	219
13.5.4 Customize the Color Conversions	220
13.5.5 Enter the Comment	222
13.5.6 Confirm the Calculation Result	222
13.5.7 Select the Task	223
13.5.8 Execute the Measurement Feedback	223
13.5.9 Complete the Profile Set	224
13.6 Edit the Component Profile of Profile Set	225
13.6.1 Launch Color Centro Profiler	226
13.6.2 Set the Profile Set Name and the Destination	227
13.6.3 Determine the Profiles	228
13.6.4 Recalculate Profile Set	229
13.6.5 Customize the Color Conversions	230
13.6.6 Enter the Comment	232
13.6.7 Confirm and Complete the Profile	232
13.7 Improve the Accuracy of the Profile Set	234
13.7.1 Launch Color Centro Profiler	235
13.7.2 Set the Profile Set Name and the Destination	236
13.7.3 Execute the Measurement Feedback	237
13.7.4 Complete the Profile Set	240
13.8 Adjust the Color Conversions of Profile Set	241
13.8.1 Launch Color Centro Profiler	242
13.8.2 Set the Profile Set Name and the Destination	243
13.8.3 Adjust the Point Color / Profile Curve	244
Add the New Spot Color	245
Edit the Existing Point Color	246
Delete the Existing Point Color	246
Adjust the Profile Curve	247
13.8.4 Complete the Profile Set	248
13.9 Profile Set Management	249
13.9.1 Export Profiles	249
13.9.2 Copy the Profile Set	250
13.9.3 Delete	251
13.9.4 Refresh the List (Reload)	252
13.9.5 Confirm the Detail Info	252
13.9.6 Change the Profile Set Information	253
13.9.7 Export the Profile Set	254
13.10 Environmental Setting	255
14 Other Functions	257
14.1 Re-login on Connection Switching	257
14.2 List Operation	258
14.2.1 Sorting by List Item	258
14.2.2 Move of Row	258
14.2.3 Display/Non-Display List Item	258
14.3 Print Set Up Information	259
14.4 Suspend and Restart	260
14.4.1 Suspend the Operation	260
14.4.2 Restart the Suspended Operation	261
14.5 Vivid Mode for bizhub PRESS C70hc	262
14.5.1 Preparation of Vivid Mode	262
14.5.2 RGB Vivid Mode	262
14.5.3 CMYK Vivid Mode	262
Switch the Profile Set	263
15 Troubleshooting	266
15.1 Cannot start Color Centro	266
15.2 Cannot Adjust Color	267
16 Appendix	269
16.1 Scan Calibration	269
16.2 Glossary	274

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IC-601

8-2

8.1

Outline of Tone Curve Adjustment

Tone Curve Adjustment

8.1

Outline of Tone Curve Adjustment

The Tone Curve Adjustment is adjustment for output density curve of each color of CMYK.

This function of Color Centro enables to adjust the brightness and the contrast for the entire image.

Operation of adjustment can be done with dragging the slider or the point of curve. You can operate viewing

the preview of the adjustment result.

The tone curve can be registered/saved to both of the image controller and computer. The tone curve regis-

tered to the image controller can be adopted to the output. You can specify the tone curve to use as default

from among registered tone curves when you use "Color Default Settings" function or "Color Configuration

Management" function. You can also specify the tone curve to use from the printer driver for each job.

8.1.1

[Tone Curve Adjustment] screen

The tone curve adjustment function of Color Centro uses [Tone Curve Adjustment] screen.

[Tone Curve Adjustment] screen appears by clicking [Tone Curve Adjustment] button on the [Launcher]

screen. To close this screen, select [Close] from [File] menu.

[Tone Curve Adjustment] screen is composed as follows;

Item

Description

[Sample Picture Name]

The name of sample image selected using [Select Sample] appears

at the left box of the [Select Sample]. From subsequent launching,

the name of sample image selected before appears.

[Select Sample]

Displays [Sample Picture] screen, and select sample image.

[Tone Curve Name]

The name of tone curve loaded using [Load Tone Curve] appears at

the left box of the [Load Tone Curve].

[Load Tone Curve]

Displays [Tone Curve Management] screen, and select the tone

curve to load. You can operate to manage the tone curve on [Tone

Curve Management] screen.

[Before Adjustment]

Displays the image before adjustment.

[After Adjustment]

Displays the image after adjustment. Every adjustment is reflected

on the screen immediately.