HP 2 - Manual (Page 31)

two-sided printing
Two-sided printing, also called duplexing, allows you to print on both sides of the
paper. Printing on both sides of the paper is not only economical, but environmentally
conscious as well.
printing instructions
Follow these steps to print a two-sided document manually:
1. Open the Printer Properties dialog box.
2. Select the Finishing tab.
3. Select Print on Both Sides .
4. Select a binding option:
❍
For book binding: Verify that Flip Pages Up is not selected.