Once you've located the Okipos 407 driver download link, follow these steps to download and install the driver:
Wrong emulation mode. The printer may be in "Line Mode" instead of "ESC/POS" or "OPOS." Fix: Okipos 407 Driver Download
: For multi-printer environments, OKI offers a Universal Printer Driver that simplifies management across various OKI devices . Installation Steps Once you've located the Okipos 407 driver download
: For basic functionality, many OkiPOS models are supported by drivers already included in Windows or available via Windows Update Universal Printer Driver : OKI offers a Universal Printer Driver Okipos 407 Driver Download
If Oki has removed the driver for your specific 407 variant: