Workflow Creation Using the Automatic Setup Wizard
ZePrA has six auto setup methods to set up workflows for the most common color management tasks. It takes just a few steps to create Configurations and Queues.
To process files, either use a previously created DeviceLink profile, or use the SmartLink function to create a DeviceLink profile on-the-fly (SmartLink license required).
The Automatic Setup Wizard also allows workflows that save ink, optimize the total area coverage (TAC), and apply gradation corrections.
Step 1: Select a Setup Mode
Select Auto Setup in the sidebar. There are six different setup options for creating Configurations and Queues:
ZePrA’s Automatic Setup Wizard
- Normalize and Convert Colors to New Output Condition
The content of the PDF file is first normalized to the document color space or output intent and then converted to the desired target color space using DeviceLink profiles.
- Normalize Color to Document Color Space or Output Intent
The data is normalized to the document color space or output intent. After conversion, the final, normalized file consists only of a color space and spot colors, if present.
If PDF objects are present in the RGB color space, they are converted with the embedded profile to the document color space using the rendering intent defined in the PDF file.
- Save inks
The data is first normalized to the document color space and then optimized using either an existing SaveInk profile or a SmartLink SaveInk method. Three color saving methods are available.
- Optimize Total Area Coverage (TAC)
The data is normalized to the document color space and the total amount of color is reduced. This can either be done using specific profiles to reduce the total area coverage (TAC), or by defining the SmartLink value under Desired TAC.
- Direct Color Conversion to New Output ConditionThe data is directly converted to the target color space with embedded profiles, without normalizing to the document color space beforehand. This setup mode enables the best color space utilization of the target color space and is particularly suitable for media-neutral data, e.g. RGB image data with ICC profiles.
- Apply Gradation Curves OnlyIf the printing process differs due to changed printing conditions (e.g. due to substrate or other printing parameters), adjustments can be done directly in ZePrA, without CtP compensation curves in the RIP, by applying gradation corrections “on-the-fly”.
Step 2: Use DeviceLink profile or SmartLink
Use an existing DeviceLink profile or use SmartLink to create and use a high-quality DeviceLink profile on-the-fly.
1. Using an Existing DeviceLink Profile
Choose a DeviceLink profile for the configuration (e.g. from our DLS DeviceLink sets, available from any ColorLogic dealer), and select it from the drop-down menu. The source and target profiles are set by the DeviceLink profile.
2. Use SmartLink
The SmartLink function creates DeviceLinks on-the-fly from source and target profiles to avoid problems normally associated with a regular ICC conversion and increases conversion quality.
Note: Requires a SmartLink license. If the SmartLink function is not available, normal ICC conversions are performed for objects with embedded ICC profiles.
Document Color Space
The document color space serves as a reference to create a uniform printing color space for the colors of the PDF file. Selecting the Prefer Output Intent checkbox will use the output intent of the PDF/X file instead of manually setting the document color space.
ZePrA contains five rendering intents in addition to the four standard ICC rendering intents. They are only available when SmartLink is licensed.
ZePrA’s Rendering Intent Options
Standard Compression: For conversions including color spaces of different sizes. Calculates a perceptive conversion for input and target profiles that is suitable for all types of gamuts.
Black Point Compensation: Use Black Point Compensation to achieve the same results with a perceptive conversion as with “Relative Colorimetric with Black Point Compensation”. When converting from a large to a small color space, the image definition is preserved in the highlights and shadows, unlike a pure Relative Colorimetric conversion. Neutral tones are converted using the relative colorimetric intent. Out-of-gamut colors are clipped.
Absolute Compression: If the color gamut is similar, but the paper shade differs significantly. In contrast to Standard Compression and Black Point Compensation, the gray balance compensates for paper coloration. The color of the original file is preserved in the best possible way on a target medium with a different paper color. Shadow areas are increased for small color gamuts. Standard Compression, the gray axis of the conversion is build relative to the paper white of the target profile.
Dynamic Compression: Compares the source color space and target color space and generates compression that minimizes out-of-gamut areas. Preserves the brightness of the original color space while reducing the saturation, therefore preserving the image definition.
Minimum Compression: Allows almost absolute colorimetric reproduction, compensating only for areas near the black and the white point.
The SmartLink methods apply different requirements of various printing conditions so the desired color is correctly reproduced and optimally separated for a specific printing process.
Traditional Printing – Classic: Offset, gravure, or newspaper printing. Black, grey, primary, secondary and tertiary color tones of the source profile are retained. The total area coverage from the target profile is applied.
Traditional Printing – Automatic: When the color and paper of the target color space differ significantly from the output intent or document color space. The separation is retained.
Large Format Printing – Inkjet: The separation is characterized by a strong GCR and a late black start. The black point and the total area coverage are calculated automatically. Otherwise like Traditional Printing – Automatic.
Digital Printing – Toner: For toner-based digital printers and office printers. A high percentage of black is used to achieve a stable print and neutral gray balance. The total area coverage from the target profile is applied. Otherwise like Traditional Printing – Automatic.
Apply Gradation Curves Only
These gradation adjustments apply external files on-the-fly to existing curves, adjusting process colors and/or spot colors without changing the document color space.
There are two ways to correct gradations:
1: Select Curves
Select linearization DeviceLink profiles created with CoPrA or previously imported files including curves (gradations).
2: Use Curves from File
External files including the gradation corrections for the curves (gradations) to be changed can be loaded. ZePrA then imports the files into its own folder structure.
Considerations for Normalizing PDF files
When working with PDF/X-3, PDF/X-4 or PDF/X-5n files that may still contain RGB or CMYK objects with embedded profiles, normalize the files.
If the PDF file does not contain an output intent, define an ICC profile as the Document Color Space. Select the Prefer Output Intent checkbox to ensure that any existing output intent takes precedence over the specified document color space and is retained.
Step 3: Create Configurations and Queues
In the last step of the wizard, assign a Queue name. The corresponding configuration automatically receives the same name.
Define the Base Folder. The Queue and its subfolders are created. To only create a new configuration, deactivate the Create Queue checkbox.
The last step completes the workflow setup and it is immediately available.