Instructions cover Macs with macOS Catalina through OS X Lion.
ClickFilein the menu bar at the top of the screen.
Scroll to the bottom of the drop-down menu and clickPrint.
Scroll down and clickLayout.
ClickLong-Edge bindingin the Two-Sided submenu.
The margins are adjusted to accommodate binding on the left side.
For example, here’s what you do with an app such as Notes on the Mac.
kick off the Notes app and clickFilein the menu bar at the top of the screen.
Click theTwo-Sidedcheck box next to theCopiesbox.
Here’s what you do if you’re browsing on Chrome, for example.
At the bottom of the drop-down menu, clickPrint.
ClickPrint using system dialog.
If you are having trouble selecting two-sided printing, try this troubleshooting tip.
Go toSystem Preferencesby selecting theApplemenu >System Preferencesor by selecting its icon in the Mac Dock.
double-check your printer is selected in the left pane and clickOptions & Supplies.
Check theDuplex Printing Unitcheck box.
