You don't have to limit your Square app to one printer. You can purchase multiple (supported) printers and print the same receipt to as many printers as necessary.

Square for iOS gets payment recording and tracking, cash management and Bluetooth printer support for iPad August 5, 2013 - 8:45 pm ...

After hitting $11 million in mobile payments volume per day, Square is announcing more news—an update to the startup's flagship iOS and Android payments apps. As you may know, Square Card Reader ...

It’s introducing a service called Square Feedback, which can turn its e-mail and text-message receipts—it sends 10 million of them a month—into miniature customer-service sessions.