Reports & Discoverer :: Continuous Pages Not Printing In Exact Pre-printed Area

I have a Invoice Report, i will give the parameters.

From_Inv_No:
To_Inv_No:
From_Inv_Date:
To_Inv_Date:

so i will give 10 invoices with dates in the above parameters to generate the report, actually the report prints in a pre-printed sheet, well it prints the first page correctly but the second page and continuous pages not printing in the exact pre-printed area. example see below;

(Page2)
506176
28/11/2011
(Preprinted text)INVOICE NO :
INVOICE DATE:

how to give spaces between pages actually every pages it should print 3 to 4 inches gap between the first page but it prints just one inch above the preprinted area. how to make it print without gaps. Additional Information: Preprinted sheet Height 17 inches.

Paper Layout Width 8.5
Height 12

Character Mode

Report Width 80
Report Height 72

for header section, main and trailer sections above readings only given.