Instructions for Configuring Duplex Printing as a Default
1. Click on the Start menu and click on Control Panel.

2. Click on Hardware and Sound.

3. Select Devices and Printers.

4. Right click desired printer, and select printing preferences.

5. Look for Print on Both Sides (Duplex) option or other options that mention two-sided printing.

6. Click the dropdown arrow and select Print on both sides.

7. Select the Long Edge option underneath the drop down arrow menu.

8. Save your changes by clicking Apply or OK.

9. Repeat steps 4-8 for all desired printers.