Disappearing footers in PDF generated from FrameMaker 9

Myself and three other writers are having a problem with disappearing footers in FrameMaker.  Here’s the problem:  In FrameMaker, the footers display correctly.  When we convert a book to PDF, many of the footers disappear.  What we find is that a footer (or part of the footer) will appear on the first page of the chapter, but then the footers disappear in rest of the chapter.

Here is some more info:

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We are using Frame 9.  My version is 9.0p250.  I'm also using Adobe Acrobat 9 Pro Extended, Version 9.3.2 and Adobe Distiller: Professional Version 8.1.3.

·         We have been able to duplicate this problem using multiple guides.

·         Oddly, footers DO appear correctly when I print just one chapter.

·         I’ve tried rebooting my machine and then loaded only FrameMaker (in case of memory issues).

·         I optimized the book file and associated chapters.

·         I experimented with different Distiller settings.

Anyone else having this problem?