I would guess that 15mm is the required bottom margin (unprintable area)
being reported by the printer driver. See
http://word.mvps.org/FAQs/Formatting/BottomsDontPrint.htm

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Suzanne S. Barnhill
Microsoft MVP (Word)
Words into Type
Fairhope, Alabama USA
Word MVP FAQ site: http://word.mvps.org
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> I am creating a template in Office 97 for a shipping
> document using text boxes and need to print at the very
[quoted text clipped - 7 lines]
> Which allows me to print right to the bottom on an A4
> page, but this is not ideal. Any ideas?