In order to use double-sided printing in the PASD Release Queue, please do one of the following:

1. To select this option at the copier after you have sent your print job to the queue, you will need to select the option at the bottom of the screen on the copier for duplex, double-sided, or print on both sides.

2. If you want to have this option available to you whenever you send a job to the queue, take a few minutes to set up your settings. To select this option in System Settings on your computer, go to Apple Icon-System Settings-Printers and Scanners-PASD Release Queue-Options and Supplies

Select Options 

Toggle the "Duplex Printing Unit" and hit "Ok" to finish. Click Done to close out System Settings if prompted.