Background
Wrote a manual in LyX. The PDF is two-sided. Using KOMA Script v2. The pages are 8.5" x 11".
Problem
The spacing on the margins is not printer-friendly, it is reversed:

Since this page is an even-numbered page (4), the print shop said that the extra space must be on the right-hand side. The extra space (for binding) is currently on the left-hand side (of even pages).
Question
How can the margins be swapped so that the larger space is on the right (for even page numbers) while maintaining the same total margin space?
Ideas
- Tried adding a blank page to the beginning of the manual.
\KOMAoptions{BCOR=3cm}\recalctypearea
The latter results in the margins having been flipped around, but with different spacing.
Thank you!
bindingoffsetoption, which respectsonesideortwosidestyles. – przemoc Jul 4 '11 at 11:44