Connect the printer to the PC using your preferred cable (USB is highly recommended for modern operating systems).
The is a classic example of a functional but obsolete technology. Modern motion control has moved to Ethernet (PoE) and real-time Linux kernels that don’t require such finicky USB drivers. If you are building a new CNC machine or upgrading a workshop, avoid PB2 hardware unless you already have a dedicated legacy PC. citic pb2 driver
This occurs due to an emulation mismatch. The driver is sending commands (e.g., Epson ESC/P) but the printer firmware is expecting another language (e.g., Olivetti PR2). Connect the printer to the PC using your