October 6, 2022

Separate communication for new features and bug fixes

We want to give you a better overview of new features as well as fixed issues and thus combine this content in one place. As of today, you can find this information in our What's New section, which you can access from our help startpage. You will also receive a direct link to the version details in every release newsletter.

Please visit the following link to learn more about all news specifically in version 5.13: What's new in GMG ColorProof 5.13
April 25, 2022

Higher stability

This version contains several stability enhancements as well as localization-related bug fixes.

41787, 41823, 42035, 42133, 42134, 42140, 42173, 42195, 42261, 42296, 42301, 42306, 42308, 42320, 42323, 42324, 42325, 42386
April 11, 2022

Higher stability

This version contains several stability enhancements as well as bug fixes.

38153, 38156, 39728, 40380, 40611, 40666, 41150
February 23, 2022

Higher stability

This version contains several stability enhancements as well as minor bug fixes.

40438, 40502
February 9, 2022

Higher stability

This version contains several stability enhancements as well as minor bug fixes.

16065, 38851, 57643
October 26, 2021

Various PDF RIP issues

We have integrated the latest Adobe® PDF Print Engine version. This update fixed several PDF processing issues.

00496, 01250, 10318, 10454, 13603, 13808, 14372, 14761, 75107, 79531

Epson SureColor SC-P7500 with ILS-30 - Job crash with object reference error message

If automatic label printing was disabled by default in GMG ProofControl Inline, or if there was no GMG ProofControl license at all, jobs including a media wedge for the integrated measuring unit failed.

Object reference not set to an instance of an object.

16852, 16896

GMG OpenColor control strips not available as default verification strip

For dynamic GMG OpenColor proof standards, the corresponding GMG OpenColor control strip could not be selected as the default verification strip. It was not included in the list of available wedges.


X-Rite i1 Pro 3 - Wrong measurement values in GMG ProfileEditor

After measuring FlexoChart v2 with the X-Rite i1 Pro 3 measuring device, some values in Gamut Viewer were inconsistent. We have improved the test chart layout to make measuring without the X-Rite i1 iO measuring table easier and provide more stable results.


Changed settings for GMG ProofControl Inline after update

After GMG ColorProof had been updated, the GMG ProofControl Inline dialog for dynamic proof standards showed changed content. The settings did not match those before the update.


Failing CpDataPkg.msi installation

On new GMG ColorProof systems, the file CpDataPkg.msi could not be installed. The process failed with an error message.

Internal Error: error copying C:\Users\gmg\Downloads\packfiles_CP_CpDataPKG\Packfiles_CP_CpDataPkg\ to C:\Users\Public\GMG\ColorProof\Repository\. The installataion is being canceled.


Import/export error for Job Ticket jobs

After exporting it as .job file, a job created via Job Ticket Hotfolder and referencing a dynamic proof standard could not be imported into another GMG ColorProof system.

Import/export error: Import Job with OC standard failed - unexpected error: Could not determine OpenColor profile from import job."

July 22, 2021

Opening workflows not possible after update to

After updating GMG ColorProof from version to, it was not possible to open any workflow.

15136, 15501, 16225, 16279

Epson SureColor SC-P7500 - Wrong load balancing distribution after media change

After changing the medium for one of two Epson SureColor SC-P7500 printers in a PDF workflow, some files were sent to the wrong printer by load balancing.


Epson SureColor SC-P7500 / P9500 - Wrong paper feed adjustment value after resetting media preferences

After resetting the media preferences in the Change Media... dialog via Reset, the Paper Feed Adjustment [%] value was wrong.

June 24, 2021

GMG CaliWizard - Manual calibration with X-Rite i1 Pro 3 prone to errors

When measuring with the measurement device X-Rite i1 Pro 3, mistakes were easily made by the user and were often not noticed until the measurement was finished. As a result, the Delta E values were too high and the printer could not be calibrated. We implemented new test charts to make manual measuring easier and more secure for you.

15303, 15445

Remote proofing via Job Ticket XML - Remote site error

If a network location was chosen as target location for remote proofing via Job Ticket XML, the job remained in the job list and an error message occured.

Nesting error: Remote site not found


Failing job processing for rotated Lab.tif files

If Lab.tif files have been rotated, they could not be printed and an error message was shown.

Error Initializing Printer Queue


GMG ProofControl Inline - Failing verification for 4-row IDEAlliance strips

The evaluation of IDEAlliance2013 4x21 strips was incorrect and led to tolerance-exceeding Delta E values, the verification failed.

April 15, 2021

Error for jobs with Lab.tif and ICM / ICC profile

Manual jobs including an Lab.tif file as well as an ICM or ICC proof standard could not be printed. An error message was shown instead.

Error Initializing Printer Queue


Missing XML creation option "From Measured Jobs"

In the properties dialog for new proof standards, the proof verification option From Measured Jobs was grayed out and thus could not be used. The option can be found under (Main Menu) Database > Proofing Conditions > Proof Standards > (Right click) Properties... > Proof Verification > Generate From Proof Standard > From Measured Jobs.

March 11, 2021

GMG ProofControl Inline - Missing job control strip verification

GMG ProofControl Inline did not work for job control strips. The verification information in the job history was flagged with a yellow question mark and the proof label was missing.

Proof verification not possible: Internal Error: Unknown error occurred during proof verification.

14960, 14992, 14998

GMG DotProof - Failing spot color optimization

Sometimes, the spot color optimization process in GMG DotProof mode failed due to a patch order error.


Error when adding a calibration control strip

The calibration control strip in a manual job could not be activated.

A technical error occurred. Please contact the support team.


Epson SureColor SC-P7500 – Failing spot color verification

Spot colors could not be verified with Epson SureColor SC-P7500, the label was not printed on the proof. Also, the printer did not print any subsequent job unless it was shut down and restarted.


February 25, 2021

GMG ProfileEditor – Patch mode measurements with X-Rite i1iO Pro 3

With the measurement device X-Rite i1iO Pro 3, test charts were frequently measured in patch mode instead of scan mode.

14248, 14411, 14432, 14551

GMG ProfileEditor – Crash with Barbieri as default measurement device

If the measurement device Barbieri Spectro LFP / Swing was selected as default in GMG ProfileEditor under Options > General Settings... > Measurement Device, the application crashed when clicking the button New MX4.

13132, 14447

Epson SureColor SC-P7500 – Jobs with a top margin larger than 6mm

If a value larger than 6mm was inserted under Jobs > New Job > Job > Settings > Margins > Top, jobs for the printer Epson SureColor SC-P7500 were canceled. The printer display changed directly from the status Preparing… to Canceling and the job remained in the job list, showing an error.

EpsonPrintInterfaceUnmanaged:SendLines failed


Manual jobs with GMG OpenColor profile – No image duplication

In manual jobs containing a GMG OpenColor profile, the duplicate images functionality in the layout window was not working.

Canceled: Object reference not set to an instance of an object.


Epson SureColor SC-P7500 – Unexpected paper feed

Before cutting a job with GMG DotProof strip, but after measuring and verifying, the printer Epson SureColor SC-P7500 fed paper. The amount was about the size of the printed image.