Adjusting the [CMYK-CMYK Device Link Profile]
Overview
Adjust [CMYK-CMYK Device Link Profile].
You can execute [Point Color Adjustment] and [Profile Curve Adjustment] for each object*.
[Point Color Adjustment] adjusts the specific output color.
Differences from Alternative Color are as follows.
Alternative Color: Does not affect the colors around the target
Point Color Adjustment: Affects the colors around the target
To adjust only the specific output color, execute [Alternative Color Management]. For details, refer to [Alternative Color Management].
[Profile Curve Adjustment] adjusts the gradation of the entire image.
*: There are 3 types of objects that compose a job.
CMYK: Image, Graphics, Text
Clicking [Adjustment] displays the wizard. Follow the on-screen instructions to edit [CMYK-CMYK Device Link Profile].
The workflow in the wizard is as follows.
1. Check the work contents.: Setting Procedure (Starting the [Adjustment] Screen)
2. Point color / profile color adjustment: Setting Procedure (Adjusting the Point Color) / Setting Procedure (Adjusting a Profile Curve)
3. Profile calculation: Setting Procedure (Adjusting a Profile Curve)
4. Check the calculation result
5. End of work
Setting Items
Setting item | Description | |
|---|---|---|
Toolbar | [Select Image] | Select the image to adjust. The selected image is displayed in [Viewer]. |
[Confirmation Print] | Prints the image to which the adjusted contents are applied. You can check the adjustment result. | |
[Done] | Ends adjustment. | |
[Abort] | Discards the adjustment result, and closes [Viewer]. | |
[Viewer] | [Input Color] | Displays the original image that is not yet adjusted. |
[Result] | Displays the image, which is processed by DLP (Digital Light Processing) before adjustment, for [Input Color]. | |
[After adj.] | Displays the DLP-processed image, to which the adjustment details are applied, for [Input Color]. | |
[Adjustment] | Executes [Point Color Adjustment/Profile Curve Adjustment]. To make individual adjustments, switch the [Profile Curve] and [Point Color Adjustment] tabs. | |
[Undo] | Discards all the [Add.Value] settings, and returns to the status before adjustment. | |
Setting Procedure (Starting the [Adjustment] Screen)
1
Click [CMYK-CMYK Device Link Profile] on the [Profile Management] screen.
You can also click [Profile Type] - [CMYK-CMYK Device Link Profile] from the menu list of [File] to perform the same operation.
2
Select the folder in the tree view.
You can change a connection to another Image Controller. For details, refer to [Printer(P)].
To update the contents of the profile display field to the latest information, click [Reload] from [File].
3
In the profile display field, select [CMYK-CMYK Device Link Profile] to edit.
4
Click [Adjustment].
The [Confirmation of procedure] screen is displayed.
5
Check the work contents, and click [Next].
The [Point Color Adjustment/Profile Curve Adjustment] screen is displayed.
6
This function adjusts the tone curve of a device link profile.
To adjust the specific output color, refer to Setting Procedure (Adjusting the Point Color).
To adjust the gradation of the entire image, refer to Setting Procedure (Adjusting a Profile Curve).
Setting Procedure (Adjusting the Point Color)
In [Point Color Adjustment], adjust the specific output color.
1
Clicking [Adjust...] displays the [Adjustment] screen.
For details about the layout of the [Adjustment] screen, refer to Setting Items.
2
Click the [Point Color Adjustment] tab.
A job stored by selecting [Hold Jobs without RIP] is not displayed.
To add a new point color, proceed to step 3.
To edit the specified point color, proceed to step 7.
To delete the specified point color, proceed to step 10.
To execute [Confirmation Print] after adjustment, proceed to step 12.
In [Point Color Adjustment], the result value may be lower than the setting value. This is because the input/output curve is adjusted. A curve is created, balancing with other adjustment points.
3
To add a new point color, click "
" on the [Point Color Adjustment] screen.
" on the [Point Color Adjustment] screen.
The line for which the line number is attached to [Adjusting Point (CMYK)] is added.
4
Set the point color value (0 to 255) to C, M, Y, and K of the added line.
You can also click "
" and left-click the image on [Viewer] to set the point color value.Click "
" to perform smooth processing for all the color conversion tables. The point color values are applied to the color conversion table, and they are erased. Once point color values are erased, they cannot be restored.
5
Set [Effective Range] in the [Adjustment] field.
[Narrow]: The adjustment result affects only the colors closer to the input color.
[Normal]: The adjustment result affects colors between [Narrow] and [Wide].
[Wide]: The adjustment result also affects the colors away from the input color.
[Effective Range] can be set for each point color.
The values displayed in [Result] and [After adj.] of the [Adjustment] field are obtained by applying the input curve and color conversion table (value obtained before the output curve is applied).
6
Enter the value in [Add.Value] so that the value of [After adj.] is the target value.
To discard all the [Add.Value] settings, click [Undo].
7
To edit the registered point color, select the line of the target point color in [Adjusting Point (CMYK)].
The input color is displayed in the lower stage of the sample color display field on the right of [Result].
8
Set [Effective Range] in the [Adjustment] field.
[Narrow]: The adjustment result affects only the colors closer to the input color.
[Normal]: The adjustment result affects colors between [Narrow] and [Wide].
[Wide]: The adjustment result also affects the colors away from the input color.
[Effective Range] can be set for each point color.
The values displayed in [Result] and [After adj.] of the [Adjustment] field are obtained by applying the input curve and color conversion table (value obtained before the output curve is applied).
9
Enter the value in [Add.Value] so that the value of [After adj.] is the target value.
To discard all the [Add.Value] settings, click [Undo].
10
To delete a point color, select the line of the target point color in [Adjusting Point (CMYK)].
11
Click "
".
".The selected point color is deleted.
12
Click [Confirmation Print] to execute test printing.
To perform [Profile Curve Adjustment] before [Confirmation Print], refer to Setting Procedure (Adjusting a Profile Curve).
13
Select each item, and click [Print].
Click [Browse ...] to display the screen, and select the image file to print.
Click [Select Tray] to display the screen, and select the target tray in [Confirmation Print].
Select the screen used in [Confirmation Print] from the menu list of [Screen Setting].
Select [Page No.].
Clicking [Cancel] closes the [Confirmation Print] screen.
14
Check the test printing result, and click [Done].
The [Adjustment] screen closes, and the display returns to the [Point Color Adjustment/Profile Curve Adjustment] screen.
15
Click [Next].
The profile calculation is executed, and a profile is created.
When calculation is completed, the [Complete adjusting CMYK-CMYK Device Link Profile] screen is displayed.
16
Click [Exit].
The wizard exits, and the display returns to the [Profile Management] screen.
17
To set the created profile to the default, use [Color Default Settings].
A profile can be selected for each object type. For details, refer to [Color Default Settings].
Setting Procedure (Adjusting a Profile Curve)
In [Profile Curve Adjustment], adjust the gradation of the entire image.
1
Clicking [Adjust...] displays the [Adjustment] screen.
For details about the layout of the [Adjustment] screen, refer to Setting Items.
2
Click the [Profile Curve] tab.
[Input]: Adjusts the input curve.
[Output]: Adjusts the output curve. In general use, select [Output].
3
Select a combination of adjusted colors from [Combination].
With [Input] selected: Select [C/M/Y/K], [CMY/K], or [CMYK].
With [Output] selected: Select [C/M/Y/K], [CMY/K], or [CMYK].
With [C/M/Y/K] selected: Adjusts the profile curve for each color.
With [CMYK] selected: Adjusts the profile curve for which CMYK are integrated.
With [CMY/K] selected: Adjusts only the black and profile curve for which CMY are integrated.
4
Select the [View] check box, and select the color of the profile curve displayed in the graph.
For colors you do not want to adjust, clear the [View] check box.
5
Click the [Adjustment Curve] radio button, and select the target to adjust the profile curve.
If you select [Adjustment Curve] of the color for which the [View] check box is cleared, the [View] check box is selected automatically.
6
Drag the starting and ending points (black points) at both edges of the profile curve and the adjustment point on the profile curve, and adjust the profile curve.
To add an adjustment point, click on the profile curve.
The selected adjustment point is indicated by a red square.
If you click "
" or "
" when multiple adjustment points are on the profile curve, their selection is switched before and after.If you select an adjustment point and enter the coordinate value in the entry box between the vertical axis and horizontal axis, you can move the adjustment point position.
To delete the added adjustment point, follow the steps below.
- Drag the adjustment point, and move to the closest adjustment point.
- Drop the adjustment point outside the profile curve drawing area.
- Select the adjustment point to delete, and click "".To return the adjusted profile curve to the unadjusted one, click [Undo].
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