Most printers are unable to print right up to the edge of the paper. You can choose how this unprintable area is shown by 
EscapeE: select Unprintable area from the 'View' menu, then choose an option from the sub-menu 
| • | Crop Does not show anything that falls outside the printable area of the page – any items outside this are not shown, so the unprintable area is left blank. |
| • | Outline the valid region Always shows the limits of the unprintable area, depicted by a dotted rectangle. If there are items in the unprintable area, these are also shown. |
| • | Outline if not blank Only shows the limits of the unprintable area when there are items in it (these are also shown). |
