Solution: Check the serial cable. NCR 7198 requires a null modem cable (crossed RX/TX) for PC-to-printer communication. Standard straight-through cables will fail.
Critical Note: Avoid third-party "driver download" websites (e.g., driverDR.com, driverfix.com). They often bundle adware or outdated, unsigned drivers that break 64-bit Windows security. ncr 7198 epic driver download
Solution: Run the driver installer in Windows 7 compatibility mode. Right-click the setup file → Properties → Compatibility → Run this program for Windows 7. Solution: Check the serial cable