By default, Opera includes a header and footer when you print a web page from the browser. If this is not to your liking, you can disable it by doing the following:
1. Open Opera.
2. In the Address Bar input opera:config.
3. Press Enter on your keyboard.
4. Scroll down and select Printer.
5. Uncheck the Show Printer Header checkbox.
6. Click the Save button.
7. Restart Opera.