The OKI PT-330 driver unlocks printer-specific functions that TRMDS-5 cannot emulate:
Check the front or back of your printer for the exact model number (e.g., Search the Support Portal: OKI Drivers & Utilities page oki+pt+330+driver+downloadtrmds+5+better
OKI Data Americas has the sale of OKI-branded hardware in the US, Canada, and Latin America. However, they continue to provide support, consumables (like thermal paper), and spare parts through authorized resellers. To help you get the exact file you need, could you tell me: and Latin America. However
The most reliable way to obtain the necessary software is through official support channels: they continue to provide support