Windows 7 ((new)) | Citizen Tz30-m01 Driver
If the printer spits out random symbols, the driver is likely incorrect. Ensure you are using the Citizen-specific driver and not a generic "Generic/Text Only" driver, which may lack the necessary control codes.
: This usually means the emulation mode on the printer doesn't match the driver. Check the "Dip Switch" settings on your Citizen printer to ensure it is set to ESC/P or IBM mode to match the driver you selected. Citizen Tz30-m01 Driver Windows 7
