You will find forum posts about ntvdm.exe hacks or installing DOSBox with a Windows 3.1 image inside. This is slow, unstable, and fails 90% of the time with parallel port timing.
Once the files are on the computer:
Automatically detect, download, and install the correct drivers and compatibility patches so the Casmate Pro 652 POS/label printer works reliably on Windows 7 64-bit without user searching or manual driver tweaks.
The biggest hurdle with Windows 7 64-bit is the installer itself.