Latest drivers for this device can be found at the Oki.com a small cache of publicly available below.
Printer Output Type: Monochrome
Printing Technology: Dot Matrix
Connections: Wired USB
1. Extract the downloaded zip file.
2. Launch Add Printer Wizard.
3. When prompted for the Manufacturer and Model click on Have Disk.
4. Browse to the extracted location.
5. Click OK.
6. Follow the prompts to finish the driver installation.