Printing

[Codex]

Simple question:
How do I print a custom size? I have a 15x15 inch paper, and a project of equal size, but when I choose print, it says that it is beyond the printer's area, but I know it's not. What do I adjust where to have it print different sizes?

[NEMESIS]

Do you have large format printer? Besides that is warning that your artwork format is bigger then actual printers format.
If you have large format printer the this wouldn't be a problem at all.