This will relate to the margins set on your computer and also the setup of the client.

Through your Internet Explorer settings you need to ensure the margins are set to 10mm. In the accounting period go to client data / edit common data / format.

Lines per page can be anything up to 60, and blank lines between subformats can be 0 - 2. You can try adjusting these.

You may also need to insert a page break before the final note, if this is what is causing the issue. To do this go to client data / edit common data / format / page breaks. You would find the note, which is showing as the last note to your accounts, and tick the box next to it. When you next rerun your accounts this should now appear on a new page and the blank page removed.