By default if Use HMTL Printing Module is checked we use a HMTL renderer supporting only basic HMTL syntax. In most cases it's enough. But if you need up-to-date and complete support of all CSS and HTML tags then you need to use this advanced HTML printing module.
This module is based on WebKit engine user in Chrome, Safari and other browsers.
That's all.
Now you may have some problems with zoom/scaling: in this case you need to select an appropriate font's size via CSS.
Let us know if you have any questions.
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