Finding drivers for legacy hardware like the dot matrix printer for Windows 7 can be a bit of a treasure hunt since official support has largely moved on. Compatibility Overview
Do not plug the printer into your PC until the driver software instructs you to do so. Download & Unzip: Download the file from the Citizen support site and extract it to your desktop. Run Installer: Double-click the Citizen Tz30-m01 Driver Windows 7
A: Incorrect line termination setting. In driver settings, change “LF = CR+LF” to “LF only” under Advanced page control. Finding drivers for legacy hardware like the dot
Sometimes the driver is available through Windows Update: Citizen Tz30-m01 Driver Windows 7
If you don't see the TZ30, click the button (this may take a few minutes to refresh the list).