Print & Scan
in the system preferences and select Options & Supplies
for your printer. In there, you should see an option for Duplex Unit
(if your printer supports it). If that is checked, you can use the automatic double-side printing (by checking the Two-sided
box next to Copies
). If not, or if that option is unavailable, you can't.Paper Handling
setting in the print dialog.Paper Handling
, you'll find a Pages to Print
option that lets you print either only the odd pages or only the even pages (default is both). To print double side manually, select Odd Only
first and when it finishes printing, flip the pages over and select Even Only
Reverse
in Page Order
to print the even numbered pages backwards. (Note: be careful that if you have an odd-number of pages in total, you might have to leave the last one out before printing the even ones.)