Hi,
I make a search how to print a PDF with Qweb in ODOO V8, But I didn't find any solution, Then I read the source code how to use wkhtmltopdf to print a PDF and I find the solution.
- Install wkhtmltopdf : http://wkhtmltopdf.org/downloads.html (Windows (MSVC 2013))
- In system variable on windows add in PATH: C:\Program Files\wkhtmltopdf\bin
- Restart the OS(systeme windows)
I wish that will help you.