Follow the instructions below to set up a default printer on the Mac operating system
1
Click the Apple icon from the desktop and select System Preferences.

2
Double click the icon Print & Scan

3
Right-click on the printer you wish to print from and select Set default printer.

4
Coupons cannot be printed to a fax machine or to digital formats such as PDF, so make sure your default printer is set to print to paper.
5
Make sure the printer is NOT set to Last Printer Used.

6
Go to Coupons.com to clip and print your favorite offers.