An updated Windows installer has been released which adds support for Windows 7 (tested on the RC build 7100 for both 32-bit and 64-bit systems).
Installer for Windows 2000, Windows XP, Windows Vista, and Windows 7: PittLabPrinterSetup.exe
To run the program if you're on a public machine (such as borrowing a laptop while in Hillman Library) where you can't install anything: PittLabPrinterv1.7.zip
Version 1.7 for any operating system (Windows, Mac OS X, Linux, Solaris): PittLabPrinterv1.7.zip