1.Click"and go to "System Preferences" -> select "Security&Privacy"  




2. Under "General", click "Open Anyway" to set up 


3.Input your "Password"of your Mac. Then click "Modify Settings". 

NOTE: If your Mac does not have a password, then click "Modify Settings". 

4.Click "Open", then you can continue to install the driver.

ATTENTION: Before installation please ensure the printer is connected and turned on.