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Showing the header/footer text in faded (low capacity):
This is the default word behavior. Header footer contents will be faded when it is not in focus. If you double click the header/footer, then text will be shown clearly. Please check below table for your reference.
Printing the header/footer text in faded (low capacity):
We can reproduce the issue. We have confirmed this as a defect. We have logged the defect report for Header/Footer look fade on print. We will fix this issue and include it in our EJ2-Patch release which is scheduled on July 31, 2019.
Now, you can track the status of your request through the below feedback link.