Why Can't I Print Double Sided?
If You Do Not See a Double-Sided Option, It's Possible That Feature Isn't Turned On. Choose Start > Printers and Faxes (Windows Xp) or Start > Devices and...
If you do not see a double-sided option, it's possible that feature isn't turned on. Choose Start > Printers And Faxes (Windows XP) or Start > Devices and Printers (Windows 7). Right-click your printer and choose Printing Preferences. Click Advanced.
Why can't I print double-sided anymore?
Another thing to check is in System Preferences> Printers & Scanners. Select your printer then click the Options & Supplies button to see if there is a Duplex/Double-Sided option. If so, make sure it is enabled.
Why can't I print a PDF double sided?
In Acrobat or Reader, choose File > Print. Click Properties. Click the Layout tab. ... If you don't see a Print on Both Sides pane, then your selected printer doesn't support duplex printing.