Well - this seems to be expected result - ain't it?
When you print to any paper printer - have you ever had a functionality in printer which will auto adjust which paper size are you printing your report on? You always have to choose or set the default size on the printer for whatever you print.
The size of the report has nothing to do with it i think, as it will only be responsible for DPI of the report...
cheers Lech, When applicable please mark the correct/appropriate replies as "solution" (you can mark up to 3 "solutions". Please LIKE threads if the provided solution is helpful to the problem.