The answer lies in build quality. The "throwaway" culture of modern electronics has made printers fragile and ink incredibly expensive. The 922, despite its driver issues, was built like a tank. The scanning bed is sturdy, and if you can get the drivers to stick, the print quality is surprisingly decent for documents. Keeping one running on a Windows 7 system is a small act of rebellion against planned obsolescence.
Here is the direct and actionable information you need. dell aio 922 driver windows 7
: If the installer fails, try using Windows Update while the printer is plugged in. Windows may sometimes pull a generic driver that supports basic printing. The answer lies in build quality