Invoice having blank pages

Hi experts;

Kindly help,am having this issue on invoice reports(ax 2009 sales invoice report). some sections of the report are not being displayed on some pages

for instance: on this report,i have two page header sections,on the first page,both sections are displayed but on the nxt pages,the sections alternates…i.e on one page one section is displayed and on another page a different section is displayed.

This is making my invoice to have so many pages…

please help