What's New?

Details on Product Releases and bug fixes

ZePrA 5.2 Release | May 2017


Key Features

  • The Spot Color Report contains the listing of device color values and their Lab color values as well as additional statistical information. For each configuration the average variation of all spot colors in DeltaE 2000 (Average dE00), the Maximum dE00 and the corresponding color name as well as the Median in dE00 is displayed. Furthermore, the number of spot colors, which are below 1 dE00 and can therefore be printed very accurately, is specified as a percentage. The number of spot colors that are below the threshold value specified by the user in the relevant configuration (e.g. 2.5 dE00) is also shown as a percentage. If a PDF file with spot colors is selected for a spot color report the file name will now appear in the report.

  • The export of spot colors as CxF and TXT files in the dialog box of Spot Color Libraries has been extended. If spectral data for all spot colors of a library exist, these data will also be saved spectrally when spot colors are exported as CxF or TXT files. When spot colors that are associated with Lab values are exported they will be saved as Lab values. (Ticket #170077)

    Note
    : It is important to note that the export of spot color libraries into formats other than our internal CCF format is always an excerpt and should only be used when the full tone is relevant. Most of the other supported formats are limited in their functionality and cannot handle mixed data such as data that consist of Lab and spectral data, gradations or measurement values based on a black background. All this information can be present in a spot color library in ZePrA. Even CxF/X-4, which is designed for the exchange of spot colors between different applications, is still limited.

  • Spot color libraries in the drop-down menu Library are now alphanumerically sorted.

  • In Configurations of Spot Colors you can disable the Gamut Warning in the pEdit Spot Color Conversion dialog. The option Disregard Gamut Warning Setting was requested by customers, who would like to receive a general warning when exceeding the DeltaE2000 Limit during spot color conversions, but do not need a warning for special spot colors.

  • As of version 5.2, ColorAnt 4 and thus the new Measure Tool is included in ZePrA. Measurements of spot colors are now executed using the Measure Tool rather than UPPCT. Detailed information about the Measure Tool can be found in the online help.

    Note: As of ZePrA 5.2 and higher ColorAnt 4 will be installed automatically. If you choose not to install ColorAnt and you still have UPPCT from previous installations on your computer, UPPCT will be used as a fallback when utilizing the Measure function in ZePrA. However, we recommend to install ColorAnt as all new features and devices are included in the Measure Tool.

  • A new feature is available on the PDF tab of Configurations, which ensures that private application data in PDF files will be removed. For instance, such data can be stored optionally by Adobe Photoshop or Illustrator when saving files as PDF.
    However, other programs can use so-called “piece information” in PDFs as well to place non-public application data in PDF files. This allows the subsequent opening and editing of the original file in the previously mentioned applications. However, for color-converted files this application data can be misleading as it will not be converted. Reopening these files in the above mentioned applications will then only display the original but not the converted color information. Additionally, PDF files which contain piece information can be significantly larger. To obtain smaller files (without piece information after conversion of PDF files) select the function Remove private Data of other Applications.

  • 16 bit images of PDF files are now automatically maintained as 16 bit images and will no longer be reduced to 8 bit. Previously, ZePrA only handled pure pixel files (TIFF and PSD files) in that way.
    Note: You can force a reduction to 8 bit during the conversion if further processing in workflows or RIPs with 16 bit PDF files will cause problems. To do this, activate the checkbox Enhance RIP Compatibility of complex Graphical Elements on the PDF tab under Configurations.

  • Job Properties now also include the job ID to better identify the report of a respective job.

  • ZePrA now allows to load special linearization DeviceLink profiles to create gradation corrections. When importing such profiles, the channel name will automatically be associated with the corresponding curves. For linearization DeviceLinks with additional spot colors the channels are created automatically.

  • The rendering intents stored in the PDF file are now also considered for elements without profiles (DeviceRGB, DeviceCMYK or DeviceGray). This allows a more consistent processing of both ICCbased and non-ICCbased elements.

Bug Fixes

  • An updated Callas engine has been integrated including the current Adobe PDF engine for PDF transparency flattening. This resolves some problems related to flattening.
  • If configurations that contain demo profiles are imported (Import Configurations) the demo profiles are now copied into the provided Demo Profiles folder rather than the system folder for profiles.
  • The error appearing under Windows in which a temporary dummy file was created although flattening had been aborted because of a time-out has been fixed.
  • Inverting of grays when converting spot colors to gray in PDF-Files has been resolved. (Ticket # 170039)
  • Troubleshooting a crash in special cases when the option Preserve Black and Gray for Vector Graphics was enabled. (Ticket # 170126)
  • The Spot Color Report function no longer ignores the sort function As in Source Data.
  • The information on printing sequence of spot colors in the document will now be considered if the checkbox Use Printing Sequence from Document under Configurations/Spot Colors is activated.
  • When entering a name for a Spot Color Library ZePrA now checks for uniqueness of a name and only allows unambiguous names. In the past a library was accidentally deleted if two or more libraries with identical names existed at program start.
  • Before processing files from a hot folder ZePrA now checks in advance whether something in the corresponding configuration has been modified. Previously, these files were processed with the settings they had when they were copied into the hot folder and therefore any modifications to the configuration made afterwards were not taken into account.
  • In conversions of Photoshop PSD files with 4CLR profiles channel names of converted files are now named properly. (Ticket #170020)
  • Fixed a bug related to the command line interface (CLI) option -a to create a configuration using a DeviceLink profile. (Ticket #488922)
  • The error that terminated ZePrA when closing the window CIE Conversion on the tab Spot Colors under Configurations has been fixed.
  • A rare error when importing a configuration with external Gradations without queues information has been resolved. The error message no longer appears.
  • The error that some manual spot color conversions for Images or Vectors (on the Spot Colors tab under Configurations) have not been applied, has been resolved. The unfortunate entanglement of various settings regarding Profile Assignments has been resolved as well.
  • ZePrA now supports CMY target profiles. Additionally, CMY image data can now be converted into or created as PSD files. (Ticket #112546)
  • The spot color conversion of 16 bit files is now fully supported and no longer leads to errors.
  • An error concerning copy & paste of spot color rules (on the Spot Colors tab under Configurations) has been corrected. In relation to that we added an error message when copying spot color rules with incompatible color spaces.
  • The error, that gradation corrections have not been applied to images when only the checkbox Apply Gradations to Images has been ticked (on the tab Gradations under Configurations) but not the checkbox for vectors, has been fixed. (Ticket #170107)
  • The import of CxF files has been further improved and optimized. (Ticket #986435)
    Note: The new ColorAnt 4 feature Export CxF/X-4 files allows to create and edit extensive spot color libraries using the full range of options. Subsequently, these libraries can be used in ZePrA.

 

ZePrA 5.1.1 Release | December 2016


Bug Fixes

  • TIFF conversion errors introduced in version 5.1 have been fixed. (Ticket 356169)
  • An undefined function error message appearing when converting 16 bit image files with a Correction DeviceLink profile applied has been fixed.

ZePrA 5.1 Release | November 2016


Key Features

  • ZePrA 5.1 includes the new version of UPPCT v2.3.5 that supports the X-Rite eXact instrument.
  • The speed of converting files with many spot colors has been tremendously improved compared to the previous version.
  • The language support for Japanese and Polish has been improved. Both languages provide translations for the new features added and the GUI changes in ZePrA 5 now.
  • A new error message has been added in case a file has been selected for a second time via the feature Repeat Job in the context menu while the first job is still in the Input queue.

Bug Fixes

  • The Screen Preview of TIFF and PSD files converted to Multicolor has been optimized. The Multicolor target profile will now be automatically selected as Simulation profile. This can be seen with the leading word Output Intent. The Default Profiles for CMYK and RGB will be disabled for Multicolor images.
z501_screenpreviewmc

Screen Preview Multicolor

  • An error message appearing in the Screen Preview with PDF files using a spot color None has been fixed.
  • Incorrect links to the Online Help have been fixed, for example in the dialogs Queues and Screen Preview.
  • Translations of Alternate and SpectralData in the Spot Color Report have been added.
  • The license error with USB dongles being queried from many parallel running processes at the same time, e.g. via the CLI has been solved. (Ticket 777356)
    Note: This is an important fix for power users using the CLI as it probably fixes some sporadical issues with USB dongles with Virtual Machines.
  • A license error has been fixed in the case that basic spot color conversion is applied without Spot Color module. This has happened on PDF files which contain multiple occurrences of the same spot color with different spellings, e.g. lower vs. upper case. (Ticket 777356)
  • Performance issues on Mac OSX when processing image files with multiple threads have been fixed.
  • The unwanted accumulation of XML files in the folder for temporary files when processing files with transparency reduction has been fixed.
  • Configurations drop down menu. This happened if Queues have been manually sorted in the Overview dialog.
    Note: Other sorting options like highest number on top are not reflected in the Configurations drop down menu but only typical sorting with lowest number on top and manually sorting.
  • Performance issues on ZePrA installations with more than a few hundred configurations have been fixed. The ZePrA user interface could have been slowed down when opening a Configuration dialog. (Ticket 544928)
  • Queue status information such as warnings in case of issues with configurations disappeared when a Configuration dialog has been opened. This has been fixed.
  • A dialog with an overwriting question for already existing SmartLink presets are very helpful in case of manually importing a configuration. However they are in the way when the new cloud feature Automatic Import (see online help of the Preferences) is used. This has been improved now to allow automatic updating and adding of configurations including all related settings.
    zepra5_preferences_sharedfolder

    Preferences Sharedfolder

  • The same CrossXColor engine that is used in the recent version of CoPrA will now be used in ZePrA for on-the-fly creation of DeviceLinks. This makes sure that DeviceLinks created with ZePrA are identical with profiles built with CoPrA using the same settings.
  • A job warning instead of an error message has been implemented for a case where certain rare CCITTFaxDecode compressed images can’t be color converted. In the past such files couldn’t been converted and the file was put in the error queue. Now the file will be converted but such elements are left untouched. The warning should lead users to check the file after conversion. (Ticket 647490)

ZePrA 5.0 Release | September 2016


Key Features

» Speed Improvements

ZePrA 5 is a 64-Bit application which allows use of more RAM for processing multiple files at the same time. 

multiprocess_1

Pending Jobs Window with Multiprocessing

The main speed improvements will be experienced when processing multiple files at the same time. Due to multithreading, ZePrA will take advantage of modern multi core CPUs and will process several files simultaneously. As a default, ZePrA uses the same number of threads as physical CPUs that are available. In addition the number of logical CPUs are displayed which are often double the size  of logical CPUs. The maximum number of threads equal to the logical CPUs may be used.

Multithreading Options

Multithreading Options


Example: on a 4 core CPU MacBookPro the processing of 135 files with 2.8 GB of file size with ZePrA 4.7 took 30 minutes, whereas ZePrA 5 only took 7 minutes to process.

» New Graphical User Interface

The slider panel has been revamped and additional tools have been added. Some of the tools are from previous versions of ZePrA, e.g. the SaveInk Report and Extract ICC profile. The Spot Color Report feature is a new major feature and will be explained  on page 4.

The biggest changes of the GUI are in the Configuration section where fewer tabs are used. For example, the previously separate Images and Vector color management settings have been combined into one tab. Additionally, the SmartLink and the Target tabs have been removed and their functionalities have been added to  the Document / Target tab.

zepra5_config-doc-target

Updated Document | Target Window

The Document / Target tab is the new center of each configuration as it contains the settings for Document Color Space, all Target color management settings and the SmartLink Method. This improves the visual clarity of the configuration. 

» Spot Color Report

The new Spot Color Report feature is helpful to check the spot color conversion before printing.  It is now possible to check a specific PDF file with spot colors that needs to be converted or how a spot color library with multiple Pantone or other spot colors would be processed through ZePrA.

To access the report click on the icon on the slider panel. The upcoming dialog requires a few selections to proceed. First, select from the list of Configurations

Note: Only the configurations with enabled spot color conversion are shown in the list.

Under Source Data select File or Library. File allows a PDF file with spot colors to be loaded and processed with the selected configurations. Library allows selection of one of the spot color libraries that is located in the ZePrA set up for processing. Both options provide a look at how a spot color conversion result will be in terms of deltaE00, deltaE76 and in terms of the process color breakdowns. With Sort by, you can define how the list will be sorted. When sorting by Delta E, the spot colors with the lowest dE will be on top and the largest dE on bottom.

Spot Color Report Window

Spot Color Report Window

Note: The report generation will use all of the spot color settings that have been selected in the configuration(s),  including manual settings and warnings. Colors with warnings will be shown with red deltaE values.

After the settings have been defined, a report file can be generated with the help of the Save button and/or it can generate a Preview first. The screenshot shows the preview of the spot colors found in a PDF file and processed through two different configurations.

The Preferences dialog  (see screenshot on page 2)  allows customization of  the generated report with a custom logo and a custom sub title.

» New Spot Color Processing Options

The GUI for Spot Color conversion has changed. More features have been added and the dialog looks cleaner compared to previous versions of ZePrA.  To enable the advanced Spot Color Conversion simply select the radio button. The alternate color space definition in the PDF document can also be used, which provides a lesser quality result compared to the advanced options with ZePrA. This allows comparison to the default spot color conversion results from basic printer drivers, RIPs or Adobe Acrobat.

zepra5_config-spotcolors

ZePrA’s Spot Color Options

The selection of the Spot Color Libraries in ZePrA is now available by clicking on the ellipsis button located to the right of the selected library.

The dialog Preferred Spot Color Libraries offers several new features. Selection of multiple spot color libraries is now an option. The option to Include Other Libraries is available below the list as well.

Preferred Spot Color Libraries Options

Preferred Spot Color Libraries Options

Automatically including all libraries may not be beneficial  since it is possible that a spot color from a library could be automatically selected that does not match the target printers capabilities. For example, if one library contains the spot color printed on OPP foil but the target profile was printed on paper, this would not be a match. In these cases it is better to manually select those libraries that fit the printers requirements in the list.

With the help of the Move Up and Move Down buttons, the selected libraries can be prioritized. Those libraries on top have the highest priority.

There are two new options available that are independent from the libraries in ZePrA. Embedded CxF Data is a great new feature that allows automatic use of any available CxF/X-4 spectral data for spot colors in PDF files. CxF/X-4 has been an ISO standard since 2015 and has been designed to define spot colors by measuring and storing spectral information of ink solids and tints, on substrate and process black. This spectral definition allows color management systems like ZePrA to better proof and reproduce spot colors.

The alternate option is to use Lab Values from PDF Alternate Colors instead of using a library. New versions of Adobe InDesign will save Lab alternate color space values in the PDF instead of CMYK, as in the past. In the case a spot color does not have a CxF value or is not available in a spot color library, the Lab alternate value from the PDF can be used and processed with the advanced ZePrA calculation methods.
Note: In the  case of the alternate color space in the PDF not being Lab but e.g. CMYK, ZePrA would not use it and would regard the spot color as undefined. 

The new feature Clip Output Values Below provides a user defined percentage value and  is a feature that our Flexo clients have  requested. If for example, printing tints below 3% is unstable on press then 3 needs to be entered as threshold in the number field. ZePrA would then not use any process color breakdowns with less than 3%.

Clip Output Values

Clip Output Values

Note: If this feature is used and the threshold is set too high, it will be very likely that a converted light spot color will result in higher deltaE values, so be careful with this option.

The Gamut Warning selection includes a new option called Keep Spot Color and Show Warning. Until now a spot color deltaE warning could be either ignored, warned about but still converted, or regarded as an error which would prevent converting the file at all. With the new option the spot color with warning will not be converted but preserved and all of the other spot colors in the file would be converted.

Gamut Warning Options

Gamut Warning Options

The CIE Conversion button has been added This option is very useful for special applications such as textile printing. In the textile industry the standard illumination is D65 and the 10 degrees standard observer is the default. Users can now change the Lab values that are used in ZePrA for conversion by selecting the CIE Conversion Settings. This option only applies for spectrally defined spot colors and only makes sense if the target profile was created with a matching illumination and observer.
Note: The default setting is D50 and 2 degrees observer.

CIE Conversion Feature

CIE Conversion Feature

» Overview Dialog

Sorting for Queue Names, Configurations and Status is now enabled by clicking on the table headers. Previously, sorting of Queues was not possible. In addition, a queue ID has been added which allows for “natural” sorting, e.g. with the newest queue either on the bottom or the top of the list. The section for Processed Jobs has an additional column for the Date and time stamp. This can be very helpful to find a specific data and time a job was processed.

Updated Overview Dialog

Updated Overview Dialog

» SaveInk Auto Setup Improvements

In the Auto Setup Wizard for Save Inks a new step has been added that allows the user to enable or disable the ink saving calculations. The calculation can slow down the processing time considerably so that users can disable this feature gaining higher performance in the Wizard.

zepra5_autosetupsaveink

Add SaveInk calculation

» Cloud Features of ZePrA

Companies using ZePrA in multiple locations will benefit from the new Cloud features in ZePrA. By defining a shared folder in the Cloud, (e.g. Dropbox, GoogleDrive, internal Cloud or network) it is possible to share configurations and spot color libraries easily. For example, a Flexo printer continuously adds more spot colors from his ink kitchen, which shall be used in ZePrA’s spot color conversion. By simply saving the spot color library in the shared folder, every location connected to this shared folder with a ZePrA installation will automatically be updated.
Note: The folder supports ZePrA’s spot color libraries (*.ccf files) as well as spot colors stored in CxF files and ZePrA configurations (*.ccf files).

Simply enable the checkbox Enable automatic Import from Folder under Preferences and select the same shared folder.

Setting an Auto Import Folder

Setting an Auto Import Folder

» Warning Folder

Files that have been marked with a yellow warning message in the Overview dialog of ZePrA are still processed but may have an issue. By default those files are stored in the Output folder. To identify such files easier, manually define a separate Output Folder in case of Warnings in the Queues dialog.

Setting a Warning Folder

Setting a Warning Folder

» New Flattening Option

In the Flattening dialog a new option has been added that allows to Use the document colors space as transparency color space on page level. This can be helpful if a file with an RGB transparency blending space shall be converted from CMYK to CMYK. In this case a more reliable results will be achieved if the transparency blending space is CMYK and not RGB. The new option will overwrite the transparency blending space on page level and will use the profile defined as Document Color Space in the respective configuration.

Flattening Option Added

Flattening Option Added

» Minimal Compression Rendering Intent added

The Minimal Compression rendering has been added as an additional perceptual rendering option for the SmartLink conversion. This rendering is known  and appreciated by CoPrA users and is now available in ZePrA. 

This rendering intent allows an absolute colorimetric reproduction and compensates only close to the black and white point. This means the maximum black point will be reached and will not simulate white. The rendering intent may be used to achieve a very close reproduction of a print standard, e.g. ISO Coated V2 or GRACoL2006 Coated1v2 on a digital printer.

Note: Similar to the absolute colorimetric rendering intent, ensure that the target color space is larger or at least the same size compared to the source color space that should be simulated to avoid any loss of structure and details. For color conversions from large to small color spaces, please use Absolute Compression instead to maintain the gray balance and color appearance of the source color space.

» Improved Soft Proof

The soft proof feature has been greatly improved. Access this by  right clicking a converted file in the Processed Jobs section of the Jobs and Queues Overview dialog. It now uses a rasterized version of the file for displaying on screen so that the transparency and overprint are correctly simulated.  One of the great new abilities of the dialog is to show multicolor files, e.g. files with a Multicolor output intent, correctly on screen.

Soft proof Color management Settings

Soft proof Color management Settings

The Softproof Color Management Settings dialog has been optimized. Similar to the Output Preview in Adobe Acrobat the Simulation Profile setting is the most important setting of the dialog as colors will be rendered through the selected simulation profile to the monitor profile. As a default, the output intent that ZePrA has embedded in the processed file will be used and shown in brackets.

Note: The Default Profiles on top of the dialog and the Prefer embedded Profiles checkbox are only relevant in the case that the simulation profile differs from the color spaces in the file itself.

» Online Help added

Please visit our new and improved Online Help page

Similar to CoPrA and ColorAnt each major dialog in ZePrA 5 has a new question mark sign that leads directly to the help pages of this section providing descriptions and insides with a click of a mouse.

» Repeat Job Feature

This option will reprocess a job and in the same queue needing to copy the file manually in the Input folder of the queue. To access the feature right-click to bring up the contextual menu in the Overview window and choose Repeat Job.

Repeating a processed job in ZePrA

Repeating a processed job in ZePrA

» Additional Options for converting desired Pages

ZePrA5_PDF-AdvandedPageOption1-1

Advanded Page Option 1

For PDF files with numerous pages (multi page PDFs), you can specify which pages should be color-converted and which should not. This is a very useful function on the Configuration/PDF tab in section Advanced Options when a multi page PDF is used for a variety of printing tasks or display outputs.

  • The Convert all Pages option is selected by default.
  • If you want to just convert certain pages of your multi page PDF document, select Convert Page Range and enter the relevant page numbers – Example: 3,5, if only pages 3 and 5 should be converted. If you want to convert pages 3 to 5, then enter 3-5. Separate pages with commas.
    Note: With the little arrow at the right side you have additional page selection rules that are explained below.
  • If you want to convert all pages except 3 and 5, select Don’t convert these Pages: 3,5.
  • If you wish to extract certain pages that should be color converted use the option Convert these Pages and remove the remaining Pages.
  • Or the other way around if you wish to remove some pages but the rest of the pages should be color convert use the last option: Remove these Pages and convert the remaining Pages.
ZePrA5_PDF-AdvandedPageOption2-1

Advanded Page Option 2

Additional page selection rules can be selected in a drop down dialog that opens if you click on the button with the arrow on the right hand side. These rules are important in cases you do not have the specific page numbers at hand. For example if you wish to color convert the cover pages of a magazine differently to the rest of the pages, you may select the rule First and last Page. The rules are self explanatory and can be applied to any of the Pages options except Convert all Pages.

ZePrA 4.7.3 Release | October 2016


Bug Fixes

  • The latest Callas PDF library version 9 for flattening of transparencies has been integrated.
  • The inversion of inline Gray images with “D” (abbreviated Decode) entry has been fixed. (Ticket #592544)
  • The feature Preserve Overprinting Effects on the PDF tab of Configurations has been improved. A case in which the OPM mode was not properly set has been fixed.

ZePrA 4.7.2 Release | August 2016


Bug Fixes

  • Fixed unwanted conversion of separation color space Black during transparency reduction in cases where the color Black is defined with an ICCbased alternate color space. (Ticket #532456)
  • Improved speed of file copying from a temporary folder on the Mac into a destination folder on a remote Samba server. (Ticket #526142)
  • Fixed a case where processing of a PDF file was cancelled with an error. (Ticket #191023)
  • Fixed occasional job errors under Enfocus Switch on the MacOS due to zcmd accidentally running in 64 bit mode. (Ticket #326764)

ZePrA 4.71 Release | June 2016


Bug Fixes

  • Fixed conversion of repeatedly used forms with different color settings in the graphic state but no color setting in the form itself. This is a very rare case.
  • Fixed and documented the CLI option continueaftererror.  This option specifies if the execution of jobs shall continue after a job error and further files listed on the command line shall be processed. If this option is disabled, execution stops after a job error and 1 is returned to indicate that an error has occurred.
    Note: If you require the CLI documentation for integrating ZePrA in third party solutions please get in contact with us: supportdesk@colorlogic.de

Optimization of the transparency reduction

Conversions have been optimized for both a flattened or a rasterized file with ZePrA’s Transparency reduction feature to achieve the most similar color that is possible. To facilitate this some important changes in the transparency reduction and rasterizing have been made in ZePrA 4.1.

Bug fixes

  • Fixed unwanted conversion of separation color space Black during transparency reduction in cases where the color Black is defined with an ICCbased alternate color space. (Ticket #532456)
  • Improved speed of file copying from a temporary folder on the Mac into a destination folder on a remote Samba server. (Ticket #526142)
  • Fixed a case where processing of a PDF file was cancelled with an error. (Ticket #191023)
  • Fixed occasional job errors under Enfocus Switch on the MacOS due to zcmd accidentally running in 64 bit mode. (Ticket #326764)

ZePrA 4.7 Release | August 2016


Key Features

  • Since ZePrA 4 share DeviceLink settings between CoPrA and ZePrA so that ZePrA can build DeviceLinks on-the-fly with SmartLink. The Share with ZePrA feature included in the DeviceLink module of the recently released CoPrA 4 works now with the recent version of ZePrA 4.7.
  • With the release of CoPrA 4 the profile quality has been increased. ZePrA will benefit from the increased quality because the same profiling engine has been integrated making SmartLink even better.
    Note: Customers using the SmartLink module will receive CoPrA 4 SP. In addition the reprofiling capabilities has been integrated in CoPrA 4 so that customers only need one software for all profiling needs and no separate DocBees Reprofiler application any more. New customers and existing ZePrA L and XL customers with a Software Maintenance Contract will get access to CoPrA 4.
  • The latest Callas PDF Engine for flattening transparencies has been integrated making it compatible to flattening results from Callas pdfToolbox 8.3.
  • Overprinting effects in PDF files are defined with the OPM flag. Objects overprinting other objects have an OPM flag set to 1. However, objects that are tagged with an ICCbased CMYK profile loose their overprint status when converting to DeviceCMYK in case the default setting Preserve overprint effects if possible is enabled in the PDF tab of theConfiguration. This is in accordance to the PDF specification but it is not desired in all cases. For example this may lead to unwanted effects after PDF normalization through ZePrA. Therefore ZePrA will prevent changes to the OPM flag in case the ICCbased color space and the Document or Target color space describe the same output condition.
    Note: For example if the ICCbased color space of an object in a PDF file is CoatedFOGRA39.icc and the Document color space is ISO coated V2.icc both color spaces describe the same output condition and ZePrA will maintain the OPM flag as designed in the PDF file.
  • There will be a new job warning marked in yellow in theOverview dialog in cases of incorrect Profile Assignments. For example if for a desired CMYK to CMYK conversion an RGB DeviceLink has been assigned this can’t work and ZePrA will ignore such assignments, convert the file using either SmartLink or typical ICC profiles and show a warning.

Bug Fixes 4.7


  • Several issues when rasterizing PDF files in configuration with RGB Document and Target profiles have been fixed.
  • Quality issues when flattening some smooth shades haven been fixed.
  • The error has been fixed that an overprinting object in a PDF files has not been correctly converted.
  • Objects with spot colors in PDF files that are converted to an RGB target profile will no longer be inverted.
  • The error has been fixed that converted images with indexed color space and Decode array have been inverted in case Sharpening has been enabled.
  • Gray inline images with Decode Array are no longer inverted after conversion with ZePrA.
  • Custom SmartLink presets used in Multicolor workflows have not been exported when using the Export configuration Tool.
  • The error message File not found has been fixed which was based on a slash in the file name of an embedded ICC profile.
  • A typo has been fixed in the Job properties dialog under Signatures (removed).

ZePrA 4.6.3 Release | March 2016


Key Features

Support of correction DeviceLinks and updated profiles from CoPrA 4

The Update Profile module in CoPrA 4 and later will be able to update profiles based on a few measurements and optionally to create Correction DeviceLinks. Those profiles can be selected under Correction in the Target tab of a Configuration in ZePrA. ZePrA version 4.6.2 is required as previous versions of ZePrA won’t show those profiles in the choosers.

The most recent ZePrA script (version 4) for Enfocus Switch is available from the Crossroads webpage now. Please check the Crossroads webpage for more information and download the configurator in case you have not yet updated.
Note: There is no change from the script that was supplied in the previous installer of ZePrA 4.6 and that is available on the Crossroads page now.

Bug Fixes 4.6.3


  • Fixed the bug introduced in version 4.6.2, that profile lists were not updated automatically. When ZePrA was started with empty configurations, for example the first time on a computer where ZePrA wasn’t used before, all profile lists were empty.
  • SmartLink no longer applies color conversions between identical profiles for conversions from Document to Target color space.
  • Quality improvements in spot color conversion for lower tints values of spot colors in case that a spot color gradient is available in the spot color library.
  • Fixed handling of corrupt embedded ICC profiles – in this case profiles with corrupt description tag. ZePrA will nonetheless convert with such profiles and will not shown a warning message.
  • Fixed “format error” message with very large JPEG images under Windows.
  • Fixed a PDF error that occurred for color conversion of spot colors with conversion settings using the alternate color space/tint transform from PDF and deactivated Lab conversion.
  • Fixed unintentional merging of images with soft mask leading to wrong color output.
  • Fixed a case where the current color was not synchronized before inline ImageMasks, which produced unwanted gray areas.
  • Fixed transmission of job warnings when running in Enfocus Switch flows.
  • Fixed unicode byte order in spot color names when reading or writing ACO files. This has lead to some strange signs showing up after importing ACO files.
  • Fixed “index error” when loading special ACO files with multiple different device color spaces.
  • Fixed conversion of nested patterns in PDF. This has led to an RGB image referred to in a pattern not being converted.
  • Fixed several issues with preserved gray related to gradation curves, correction profiles and Multicolor output.
  • The issue is fixed that AutoSetup sets the source profile for CMYK conversion of Images and Vectors to a default profile instead of  Same as Document color space in case the Document color space is a Multicolor profile with CMYK+x.
    Note: In case the Multicolor profile does not use any CMYK channels the conversions settings for CMYK images and vectors however are set to a default profile (ISO coated V2) because CMYK needs to be normalized to the Document color space first in this case.
  • Improved SmartLink default conversion for conversion into the Document color space for color conversions of CMYK-to-Multicolor and Multicolor-to-Multicolor.
  • Fixed a crash case with a PSD spot color file in combination with spot color conversions.
  • Fixed removal of background images which were placed behind image masks of same size.
  • Fixed a case where DeviceGray elements disappear.
  • Fixed spot color conversion for 3CLR output profiles.
    Note: Please take into consideration that Adobe Acrobat does not show PDFs correctly with multicolor output intents. In this case a converted PDF with 3CLR profile as output intent (PDF/X-5n) would be rendered completely white even if everything would be fine.

ZePrA 4.6.1 Release | March 2016


Key Features

UPPCT v2.3.3 Update

  • Fixed the bug that unplugging a measurement instrument while measuring results in a serious error.
  • Fixed the bug that sometimes measurement data was not transmitted to calling application.
  • Added some missing translations for Barbieri device setup wizard.

Bug Fixes 4.6.1


  • Fixed undesired modifications of cut contour lines after flattening.
  • Fixed issues with option Preserve Overprint Appearance.
  • Fixed the bug that the option Preserve Black for Vector graphics sometimes didn’t work.
  • Fixed case sensitivity when comparing spot color names in profiles and PDF files.
  • Improved removal of unused spot colors from soft masks after spot color conversion to press colors.

ZePrA 4.6 Release | October 2015


Key Features

» Enhanced RIP Compatibility with ZePrA 4.6

ZePrA converts all objects, including vector shading, with the highest accuracy and 16-bit precision. Every shading created based on a function in the original file, it is necessary to use a very large LUT (look-up table) to ensure a correct color transformation.  Unfortunately some RIPs (e.g. EFI Fiery and Global Graphics MultiRIP) have issues in handling 16-bit shading and large LUTs.  To avoid issues and speed up processing time of such RIPs significantly, ColorLogic has implemented a new option called Enhance RIP compatibility of complex graphical elements located under Configuration/PDF.

Enhance RIP Compatibility Option

Enhance RIP Compatibility Option

Note: This option is not active in all existing configurations and for all new configurations created with the Auto Setup Wizard. Please activate this option whenever processing issues with your RIP after converting files with ZePrA may occur

» New DeviceLinks in DLS-Manager v1.2 – FOGRA51/52

  • The ECI (European Color Initiative) released for new printer profiles: PSO Coated V3 and PSO Uncoated FOGRA52. PSO Coated V3 is based on the characterization data FOGRA51 and is supposed to replace FOGRA39 (ISO Coated V2). ColorLogic offers in their DLS Basic Set, DeviceLink profiles to convert from FOGRA39 to FOGRA51 and vice versa and a TAC reduction profile for FOGRA51. The following DeviceLink profiles are included in the Basic Set of the DLS-Managers V1.2. With the DLS-Manager application which will be automatically installed with the ZePrA 4.6 Installer you will be able to install the profiles:• PSOcoated_v3_to_ISOcoated_v2_DeviceLink.icc• ISOcoated_v2_to_PSOcoated_v3_DeviceLink.icc• PSOcoatedv3_TAC300_CoLoV6.iccNote: Both conversion DeviceLinks are the official profiles delivered from the ECI and have been created in collaboration with ColorLogic and CoPrA. Detailed information about the characteristic and the creation of the DeviceLinks can be found here.Overall there are 12 conversion profiles available for FOGRA51 and FOGRA52, TAC reduction and SaveInk profiles for both new standards. The exact naming of the profiles and a description of what profiles are available in which set is included in our DLS documentation.All clients with either a valid ZePrA 4.5 license or a DLS Manager license for one of our DLS sets (e.g. Basic Set or Sheetfed Set etc.) may install all new profiles free-of-charge by using our DLS Manager V1.2. Please talk to your dealer how to obtain the profiles in case you are no ZePrA 4.6 client.

» ZePrA configurator for Enfocus Switch Updated

A new ZePrA configurator for Enfocus Switch is available: ColorLogic~ZePrA v4.enfpack. The new version 4 replaces the existing configurator (version 3) delivered with Switch. It fixes several issues and provides improvements specifcally for users of ZePrA 4.6 and higher. Before the new configurator will be officially available via the Crossroads website or with new versions of Switch. The installers for ZePrA 4.6 and ZePrA 4.1.6 will create a new folder within the installation folder of ZePrA called Switch Configurator that contains the updated configurator file and a readme.

How to update the ZePrA configurator in Switch

  1. Double click the file ColorLogic~ZePrA v4.enfpack and click OK in the upcoming Switch dialog to update the existing configurator.
  2. Close and restart Switch. The new ZePrA configurator will be available in the list of configurators under Custom.
  3. In case you are already using Flows with the previous ZePrA configurator a dialog should appear upon restart of Switch asking you if you wish to update the Flows. If the dialog does not appear restart Switch again until the dialog appears. Accept to update the Flows.
  4. To activate the Flows again select Restart Switch Server in the File menu. You are now up and running.

Features of the ZePrA configurator with ZePrA 4.6 and higher under Macintosh

With ZePrA 4.6 and higher a new command line version of ZePrA called zcmd will be installed along side with the GUI version of ZePrA. The zcmd is intended to be used for any command line applications including Switch.

When setting up new Flows in Switch with the new ZePrA configurator and ZePrA 4.6 and higher the configurator will automatically use zcmd for the communication and file conversion between ZePrA and Switch. For existing Flows however and after updating the configurator the ZePrA 4.6 application itself will still be used for the communication and file conversion between ZePrA and Switch. As this has some disadvantages and restrictions we suggest to change this. To do so you need to set the path to the zcmd in the ZePrA configurators settings in Switch.

In order to define the path correctly open the package file by simply right clicking on the ZePrA.app and selecting the Show Package Contents entry from the drop down menu (see screenshot). After that navigate to the subfolder Contents/MacOS to find the zcmd executable. Now use this path in the ZePrA configurator.

» Additional improvements in ZePrA 4


  • The warning message Conversion setting is disabled in the tab Images has been replaced by a more understandable dialog differentiating between the settings in the Images and Vectors tabs of the configuration.
  • When ZePrA detects defective ICC profiles embedded in PDF files a yellow warning message is displayed in the Overview dialog. If possible, ZePrA will convert the file. When conversion is not possible a red error message appears and the file is send to the error folder.

» UPPCT version 2.3.2


An updated version of the measuring application UPPCT for measuring test charts and spot colors integrated in the installer of the ColorLogic application. The following major new changes have been integrated beside a few minor bug fixes:

  • Improved support for X-Rite i1Pro and Konica Minolta FD-7/5.
  • Fixed issues while measuring with Konica Minolta FD-7 under MacOSX.
  • Improved support of the Barbieri instruments SpectroLFP and SpectroPad.
  • Improved wizard for measuring multiple page test charts with Barbieri SpectroLFP. Detailed instructions can be found here.

Bug Fixes 4.6


  • PDF files with objects with invalid references in the Color Space resources have led to a general PDF error message in previous ZePrA versions. Despite the fact that such PDF files are defective and should be fixed upfront this error is ignored in the new ZePrA version so that such files will be converted.
  • The mistake that a queue sometimes stopped when a defective PDF file was detected instead of sending that file to the error queue and progressing with other files has been solved.
  • The problem in the Switch environment has been fixed, that output files were not delivered to outgoing connections, when their type differed from input (e.g. JPEG converted to TIFF). To make this work a new ZePrA configurator for Switch is required. You will find further information about the new configurator here.
  • Two issues have been fixed in cases the type of output files differed from input, e.g. JPEG converted to TIFF:
    – No system error will be displayed any more in case a queue has been set up with a temporary folder.
    – The screen preview of such files is working again.
  • Conversion of PDF files with images having a Separation Black colors space as direct object is supported now and does not lead to a general error message any more.
  • Conversion of PDF files with images having a Separation Black colors space is working now and does not leads to a PDF error message any more.
  • Fixed spot color conversions in configurations with an RGB target profile especially with the spot colors called None.
  • Fixed a case where a spot color used in a Pattern color space disappeared after conversion.
  • A rare crash of ZePrA has been fixed in configurations converting CMYK to RGB in case of small image objects below 10 pixels width using the All color space.
  • Fixed that in new configurations the Preserve overprint effects if possible option in the PDF tab could be active, though the checkbox was switched off.
  • Fixed a case where an image disappeared due to wrong treatment of an image mask.
  • Fixed the bug that profile assignments and/or spot color libraries exported using the Export configuration feature without activating at least one configuration checkbox could not be reimported.
    Note: When importing such CCF files an empty Import Configurations dialog will appear. However when clicking OK spot color libraries and profile assignments will be imported.
  • Fixed the bug that when a conversion setting is set to No conversion in the Images and Vectors tabs, but the checkbox Apply embedded profiles/intents was enabled, that color space has been converted nonetheless.
  • Fixed an argument error when the alternate color space of a DeviceN object is using a CalRGB color space.
  • Fixed – a PDF file after conversion with ZePrA was not processing in a following RIP process. In rare cases text state operators in text clipping objects have been accidentally removed.

ZePrA 4.5 Release | July 2015


Key Features

» ZePrA 4.5 major release

ZePrA 4.5 is a paid upgrade for all customers (including ZePrA 4 customers). Customers that have a current software maintenance agreement qualify for a free upgrade. An updated license is required that can be ordered from your ColorLogic dealerPlease be aware that installing ZePrA 4.5 will overwrite a ZePrA 4 installation and ZePrA 4 preferences and settings are retained. ZePrA 4 licenses are not valid for ZePrA 4.5 and the following warning message will be displayed.

» Resolving overprint challenges with ZePrA 4.5

The spot color module in ZePrA 4 offers excellent quality for color conversion of spot colors to process colors. Nevertheless, in many cases overprinting spot colors may cause incorrect results, especially when combining spot color conversions and transparency reductions. You will face the same problems with other tools, such as Acrobat Pro, Callas pdfToolbox, Enfocus PitStop and  color servers from other vendors. Read more in our White Paper.

» ZePrA 4.5 efficiently resolves many overprinting challenges

ColorLogic has developed an efficient technology to solve general overprinting issues without rasterizing the entire file. This technology can be applied to a file whether transparencies are present in the file or not. Starting with our new ZePrA 4.5 release this technology will be activated by default in all Presets within the Transparency flattening feature shown in the screenshot.

Preserving Overprints with ZePrA 4.5

Preserving Overprints with ZePrA 4.5

The two options Preserve overprints and Preserve overprint appearance are independent from each other. If the checkbox Preserve overprints is deactivated, all overprinting objects will be flattened in the same way as transparent objects. In both cases (overprinting objects and/or transparencies), post-processing of spot colors may lead to unwanted results. This issue can be solved by simply using Preserve overprint appearance. Especially during conversion of spot colors to process colors, the preset Dissolve overprinting should be used to ensure the best possible conversion of colors and vector objects.

Bug Fixes 4.6


  • PDF files with objects with invalid references in the Color Space resources have led to a general PDF error message in previous ZePrA versions. Despite the fact that such PDF files are defective and should be fixed upfront this error is ignored in the new ZePrA version so that such files will be converted.
  • The mistake that a queue sometimes stopped when a defective PDF file was detected instead of sending that file to the error queue and progressing with other files has been solved.
  • The problem in the Switch environment has been fixed, that output files were not delivered to outgoing connections, when their type differed from input (e.g. JPEG converted to TIFF). To make this work a new ZePrA configurator for Switch is required. You will find further information about the new configurator here.
  • Two issues have been fixed in cases the type of output files differed from input, e.g. JPEG converted to TIFF:
    – No system error will be displayed any more in case a queue has been set up with a temporary folder.
    – The screen preview of such files is working again.
  • Conversion of PDF files with images having a Separation Black colors space as direct object is supported now and does not lead to a general error message any more.
  • Conversion of PDF files with images having a Separation Black colors space is working now and does not leads to a PDF error message any more.
  • Fixed spot color conversions in configurations with an RGB target profile especially with the spot colors called None.
  • Fixed a case where a spot color used in a Pattern color space disappeared after conversion.
  • A rare crash of ZePrA has been fixed in configurations converting CMYK to RGB in case of small image objects below 10 pixels width using the All color space.
  • Fixed that in new configurations the Preserve overprint effects if possible option in the PDF tab could be active, though the checkbox was switched off.
  • Fixed a case where an image disappeared due to wrong treatment of an image mask.
  • Fixed the bug that profile assignments and/or spot color libraries exported using the Export configuration feature without activating at least one configuration checkbox could not be reimported.
    Note: When importing such CCF files an empty Import Configurations dialog will appear. However when clicking OK spot color libraries and profile assignments will be imported.
  • Fixed the bug that when a conversion setting is set to No conversion in the Images and Vectors tabs, but the checkbox Apply embedded profiles/intents was enabled, that color space has been converted nonetheless.
  • Fixed an argument error when the alternate color space of a DeviceN object is using a CalRGB color space.
  • Fixed – a PDF file after conversion with ZePrA was not processing in a following RIP process. In rare cases text state operators in text clipping objects have been accidentally removed.

ZePrA 4.1 Release | July 2014


ZePrA 4 is a major upgrade that includes many new production features, a simplified user interface and is now available in a range of new packages. ZePrA 4.0 includes more powerful features in the base packages than ever before.

Key Features

Main Navigation Panel

To access the critical features in ZePrA,  an easily accessible Navigation has been integrated. When hidden, simply click the Home button to pop out the sidebar and access all respective modules.

This allows the main window to be scaled so all elements are easily visible on small laptops with low resolution. Both the Auto Setup Wizard (the wizard now has its own icon) as well as the Main Setup options and the Special Settings can be administered via the sidebar. All dialogues with shortcuts and the new Navigation menu bar are easily accessible.

ZePrA 4 Main Window

ZePrA 4 Main Window

Auto Setup Wizard

Conversions have been optimized for both a flattened or a rasterized file with ZePrA’s Transparency reduction feature to achieve the most similar color that is possible. To facilitate this some important changes in the transparency reduction and rasterizing have been made in ZePrA 4.1.

New Feature number three

Conversions have been optimized for both a flattened or a rasterized file with ZePrA’s Transparency reduction feature to achieve the most similar color that is possible. To facilitate this some important changes in the transparency reduction and rasterizing have been made in ZePrA 4.1.

SmartLink

With SmartLink, quality DeviceLink profiles are calculated automatically in the background and applied. This allows avoid typical problems in the normal ICC color management and prepare print data in the best way. With the new SmartLink module excellent results are obtained for all printing processes. ColorLogic offers optimal settings for the best printing results for both; the traditional printing such as offset, gravure and newspaper printing, as well as the modern inkjet printing or digital printing. If you would like to have your own preferences of how to set up color conversion, SmartLink is easily adjustable with personalized DeviceLink presets, because CoPrA SP* is now part of the SmartLink package.

Furthermore, with SmartLink deviations from either your home standard or to the desired printing standard, can be easily compensated now more than ever. Our innovative Reprofiler technique allows compensation for any deviations by creating high-quality printer and DeviceLink profiles based on just a few measurements. Reprofiler SP*, is also a part of the SmartLink package and it’s generated profiles can be easily integrated in ZePrA .

With the  XL package automatically create SaveInk profiles for your own house standards. Select either one of the three preset saving options (SaveNeutral, Strong Save or SaveMax), or use CoPrA SP* to make your own presets and apply them directly in ZePrA .

Note: SP = serialized profiles. The profiles created with SmartLink are encoded with the serial number of the ZePrA color server and can only be used within ZePrA

Transparencies

Due to the increased use of PDF/X-4 and also due to the general trend to work with transparencies in the creative sector, PDF files with transparencies are more and more common. However, color conversions and transparencies may occasionally generate issues. With ZePrA 4 achieving proper results in certain cases by flattening transparencies (Transparency reduction option in the PDF tab of the Configuration). Likewise, overprinting elements even without any transparencies may lead to undesirably high total ink amounts in printing despite the reduction of the total ink amount or the application of SaveInk DeviceLinks. With a proper resolution of the overprinting elements you may also solve these problems.

Previously, it required the combination of separate programs with ZePrA, to achieve the desired results, but now this is no longer necessary. Based on your data, our integrated transparency flattening intelligently decides at which point at the desired color conversion transparencies need to be flattened. In addition, you have full control and can decide whether you want to reduce transparency or not. For the flattening, we offer useful default settings for typical print resolutions, so that you may easily achieve the desired result with a few clicks. But of course, you are also able to set up your own resolutions and options.

Note: ColorLogic’s flattening is based on the Callas SDK, which uses the Adobe PDF engine for transparency flattening. This ensures that the results from ZePrA are compatible with the results achieved with the transparency reduction, either in Adobe Acrobat Professional or by using the Callas pdfToolbox. Color conversions in ZePrA are still based on the high-end, ultra-fast ColorLogic PDF and DeviceLink technology.

Spot colors on white and black background

The Opacity determines how transparent or opaque a color is. With ZePrA 4 and the Spot Color module, expand the spot color library with information about the Opacity of a spot color. If spot colors available printed on either white substrate and/or black ink background capture both (measure yourself or import measured values), and use it for subsequent treatment. From the measured values with a black background ZePrA automatically calculates the Opacity and considers this value in the color conversion of spot colors.

U7_Opacity-Edit_EN-337x400

Moreover, during the conversion of transparent spot colors, the underlying color plays an important role for the resulting color appearance. If colors lying under a spot color are also spot colors, it’s possible to specify the Color sequence of the spot colors in the configuration.

These two new features in the spot color module provide an even better reproduction of converted spot colors overprinting other colors.

Protected Mode

ZePrA 4 includes a Preferences dialog box (accessible on the sidebar) to allow administrators to protect configurations and queues. Protected mode also disables configuration imports and changes in registration. Queues and configurations are then protected from accidental changes.

ZePrA 4.0 Release | July 2014


ZePrA 4 is a major upgrade that includes many new production features, a simplified user interface and is now available in a range of new packages. ZePrA 4.0 includes more powerful features in the base packages than ever before.

Key Features

Main Navigation Panel

To access the critical features in ZePrA,  an easily accessible Navigation has been integrated. When hidden, simply click the Home button to pop out the sidebar and access all respective modules.

This allows the main window to be scaled so all elements are easily visible on small laptops with low resolution. Both the Auto Setup Wizard (the wizard now has its own icon) as well as the Main Setup options and the Special Settings can be administered via the sidebar. All dialogues with shortcuts and the new Navigation menu bar are easily accessible.

ZePrA 4 Main Window

ZePrA 4 Main Window

Auto Setup Wizard

Conversions have been optimized for both a flattened or a rasterized file with ZePrA’s Transparency reduction feature to achieve the most similar color that is possible. To facilitate this some important changes in the transparency reduction and rasterizing have been made in ZePrA 4.1.

New Feature number three

Conversions have been optimized for both a flattened or a rasterized file with ZePrA’s Transparency reduction feature to achieve the most similar color that is possible. To facilitate this some important changes in the transparency reduction and rasterizing have been made in ZePrA 4.1.

SmartLink

With SmartLink, quality DeviceLink profiles are calculated automatically in the background and applied. This allows avoid typical problems in the normal ICC color management and prepare print data in the best way. With the new SmartLink module excellent results are obtained for all printing processes. ColorLogic offers optimal settings for the best printing results for both; the traditional printing such as offset, gravure and newspaper printing, as well as the modern inkjet printing or digital printing. If you would like to have your own preferences of how to set up color conversion, SmartLink is easily adjustable with personalized DeviceLink presets, because CoPrA SP* is now part of the SmartLink package.

Furthermore, with SmartLink deviations from either your home standard or to the desired printing standard, can be easily compensated now more than ever. Our innovative Reprofiler technique allows compensation for any deviations by creating high-quality printer and DeviceLink profiles based on just a few measurements. Reprofiler SP*, is also a part of the SmartLink package and it’s generated profiles can be easily integrated in ZePrA .

With the  XL package automatically create SaveInk profiles for your own house standards. Select either one of the three preset saving options (SaveNeutral, Strong Save or SaveMax), or use CoPrA SP* to make your own presets and apply them directly in ZePrA .

Note: SP = serialized profiles. The profiles created with SmartLink are encoded with the serial number of the ZePrA color server and can only be used within ZePrA

Transparencies

Due to the increased use of PDF/X-4 and also due to the general trend to work with transparencies in the creative sector, PDF files with transparencies are more and more common. However, color conversions and transparencies may occasionally generate issues. With ZePrA 4 achieving proper results in certain cases by flattening transparencies (Transparency reduction option in the PDF tab of the Configuration). Likewise, overprinting elements even without any transparencies may lead to undesirably high total ink amounts in printing despite the reduction of the total ink amount or the application of SaveInk DeviceLinks. With a proper resolution of the overprinting elements you may also solve these problems.

Previously, it required the combination of separate programs with ZePrA, to achieve the desired results, but now this is no longer necessary. Based on your data, our integrated transparency flattening intelligently decides at which point at the desired color conversion transparencies need to be flattened. In addition, you have full control and can decide whether you want to reduce transparency or not. For the flattening, we offer useful default settings for typical print resolutions, so that you may easily achieve the desired result with a few clicks. But of course, you are also able to set up your own resolutions and options.

Note: ColorLogic’s flattening is based on the Callas SDK, which uses the Adobe PDF engine for transparency flattening. This ensures that the results from ZePrA are compatible with the results achieved with the transparency reduction, either in Adobe Acrobat Professional or by using the Callas pdfToolbox. Color conversions in ZePrA are still based on the high-end, ultra-fast ColorLogic PDF and DeviceLink technology.

Spot colors on white and black background

The Opacity determines how transparent or opaque a color is. With ZePrA 4 and the Spot Color module, expand the spot color library with information about the Opacity of a spot color. If spot colors available printed on either white substrate and/or black ink background capture both (measure yourself or import measured values), and use it for subsequent treatment. From the measured values with a black background ZePrA automatically calculates the Opacity and considers this value in the color conversion of spot colors.

U7_Opacity-Edit_EN-337x400

Moreover, during the conversion of transparent spot colors, the underlying color plays an important role for the resulting color appearance. If colors lying under a spot color are also spot colors, it’s possible to specify the Color sequence of the spot colors in the configuration.

These two new features in the spot color module provide an even better reproduction of converted spot colors overprinting other colors.

Protected Mode

ZePrA 4 includes a Preferences dialog box (accessible on the sidebar) to allow administrators to protect configurations and queues. Protected mode also disables configuration imports and changes in registration. Queues and configurations are then protected from accidental changes.

Workflow Validator

When setting up Configurations and Queues and during operation errors could occur. Be it that hot folders were not mounted on a server drive, or that ICC profiles, spot color libraries or SmartLink settings which are used in a configuration have been deleted or that settings have been selected, which could have negative consequences. With the help of a new Workflow Validator feature ZePrA checks if everything is OK and if not, the user is notified with alerts. Warnings are displayed both in the respective Configuration when setting up, and are shown in the Overview window for all configurations, too. If a warning or multiple warnings are present, these can be identified by a yellow warning triangle.

A list of detailed error messages appear by clicking on these warnings. Each of the entries can be selected by clicking, and a separate dialog with extended information is displayed. If ZePrA is able to solve this problem automatically, you can activate a checkbox in the dialog and click OK. If you would like to change the configuration yourself, choose Edit Configuration and after confirming with OK the appropriate configuration for you opens. If you have made settings for a reason the warning message can be reset so that it no longer appears. Take advantage of the Workflow Validator as your assistant, so that the ZePrA installation is in perfect condition.

New ZePrA Production Related Functions


  • Bitmap files (TIFF, JPEG , PSD, and now new PSB) larger than 2 gigabytes in size can be processed by ZePrA.
    Note: PSB is the Adobe Photoshop format for very large files.
  • Change the Priority of single job in the list of Pending jobs. Jobs with be processed in order of the priority set.
  • For PDF files with many pages (multipage PDFs) some users expressed their wish to specify which pages should be color converted and which are not. This can now be set in theConfiguration/PDF tab. Thus, with nested queues, different pages of a single PDF file can be differently color converted. This is a very useful feature if you want to convert a multi-page PDF for various printed editions or display issues.
  • Customers using the spot colors module appreciate the extremely accurate color reproduction when converting spot colors to process colors. However, there are sometimes spot colors that are outside the printable color gamut of the target profile and therefore a perfect conversion is not possible. It is now possible to configure a deltaE limit so that you get aGamut warning if a given deltaE exceeds this range when converting spot colors to process colors.
  • The Calculation of the ink saving has been improved and now includes overprinting elements and transparency effects.

Demo License Request


  • ColorLogic products (CoPrA, ZePrA, ColorAnt, DocBees-Reprofiler) allow users to request a demo license for 14 days for software evaluation.
    Note: The restriction of running CoPrA and DocBees-Reprofiler in demo mode is all profiles are encrypted and can be used with ColorLogic applications only. Converted files in a demo version of the color server ZePrA will result in a Demo watermark on each file.To request a demo license follow the procedure below:
  1. Click the Registration button located on the lower left hand corner of the Main Navigation Panel in CoPrA or ZePrA. In ColorAnt and DocBees-Reprofiler use the Help menu to open the Register dialog.
  2. Click on the Demo license request tab.
  3. Enter all required information.
  4. When the location is chosen, the software will show the available dealers for your region. Select a dealer and clicksend direct request a demo license will be automatically sent to the email address supplied in the contact form.
  5. Save the license file contained in the email (indicated by the ending *.lic) to your system.
  6. Under License details in the Registration window and select the .lic file.

After installing the demo license file, the expiration date of the demo license is shown below the License details.

A complete overview of the installation process is available here

Product Registration


  • The new Registration Page is now common to all ColorLogic products. It will be implemented in all upcoming ColorLogic product releases. License Details displays which features have been licensed. The Load button is where the .lic file is loaded from.In the panel Request Demo License we offer all users interested in testing products an easy and fast way to request a Demo license. Simply add your contact details, the country you are located in and choose a dealer, enter your email address and submit for a demo license. Within a couple of minutes an email containing a 2-week demo license. Simply load the license file (.lic) in the window License Details and the features become available immediately.