Printing on legal size paper

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We are stuck. I swear that we have previously printed on legal size paper and had the plan fill the entire page but now it is printing in the middle of the page as if it was only 8.5 by 11. In page set up we have both the page and sheet size set at 8.5 by 14 and in the printer properties we have the paper set at 8.5 by 14. All are set to landscape. But we still get a reduced image, about 2/3 full size, in the middle of the legal size sheet. What are we missing?