Some Discover & Go venues require a printed pass. If so, the following article provides instructions for printing from your mobile device: https://www.businessnewsdaily.com/6060-how-to-print-smartphone-tablet.html. Here are instructions if you are using an HP printer: http://www8.hp.com/us/en/printers/mobility/overview.html?jumpid=va_r11400_mobileprinting. If you don't own a printer, you can come into your local library and ask staff to help you print your Discover & Go pass.