I downloaded and printed out a voucher from the web, and it printed in tiny font in only the top corner of the A4 page, about 25% of its actual size on the screen. Since then, every pdf I try to print comes out the same. It doesn't matter what print settings I choose in the print dialog box that comes up when I hit the print command. It always prints everything in tiny font, using only 25% of the page. Did I pick up a bug from the web? Any idea how to fix this? It's a new Canon MX535 printer, and it was working fine before.