Serial printers require a manual handshake.
Use reputable POS driver archives (avoid random “driver download” sites): ncr 7197 printer driver download
Historically, NCR used public FTP directories. These are largely deprecated due to security risks, but you may find legacy .exe files via the Internet Archive's "Wayback Machine." Serial printers require a manual handshake
Before downloading software, you need to identify exactly which variant of the 7197 you own. The driver differs significantly based on the connection type. ncr 7197 printer driver download