The Amyuni PDF Converter is our Printer Driver that enables you to convert any documents to PDF format. If you have any questions about installing and using the Amyuni PDF Converter please post them here.
To print the watermark on the first page programatically, developers need to capture the printer events and modify the watermark parameter while the page is being printed.
For further information please check page 34 of "Common Driver Interface 250.pdf".