FAQ at: http://k15t.com/display/PDF/FAQ
Exporting (wide) Tables better:
Font Size in Tables; - To reduce the font size in tables, add the following code to your CSS in the Content Formatting section:
div.tablewrap {
font-size: x-small !important;
}
Use A4 Landscape
/* Generate border between header/footer and page content */
@page {
size: A4 landscape;
border-top: 1px solid black;
border-bottom: 1px solid black;
}