macOS drivers for the OC-9200BL are rare because most POS hardware is Windows-centric. However, you can use a generic ESC/POS driver from open-source projects (e.g., “Gutenprint” or “CUPS” driver collection).
If your chip is PL2303 and it’s a counterfeit (common in cheap cables), Windows may show “Code 10” error. The solution is to use an older driver version (v3.3.11.126) or replace the cable with a CH340/FTDI-based one.
If you are able to confirm the correct model number or the brand name (e.g., Oki, Canon, Brother, HP, Epson, or a lesser-known brand), I would be glad to write a detailed, helpful essay on how to safely download and install drivers for that device. The essay would include:
Note: Advanced features like paper cut or cash drawer control may not work on macOS.