If you are running PDF2XL Enterprise edition (or are subscribed to the Enterprise Plan), you have access to the Cogniview printer.
When you set the Cogniview printer as the default, it will automatically print your data (for example, from a webpage) into PDF2XL so that you can convert straight from the application, without the need for creating a PDF file first.
The Cogniview printer will only be set as the default printer while PDF2XL is running, so there is no issue with this setting overriding your preferred printer.
To set the Cogniview printer as default, open your Options and go to the General tab. Near the bottom, you will see a checkbox labeled "While running, set as default printer". Place a checkmark in the box.
You will need to restart PDF2XL for this setting to take effect.