CUPS - bottom margin to big

[Marko Randjelovic <marel@sbb.co.yu>]

When I print a test page, the bottom line is around 12.5 mm from edge of 
the paper. Other margins are around 40 mm. Because of this to high 
bottom margin, Firefox doesn't print whole footer, since you cannot set 
any value to more than 0.5 in File/Print/Properties.

Is there some way to fix this?

Thanks.