1. Download driver OKI MB790m printer.
All of drivers OKI MB790m printer:
Download driver OKI MB790m printer for windows operating system
Download OKI MB790m printer driver for MAC OS
2. Install driver of OKI MB790m printer guide
Switch on your printer and connect with your computer by the USB cable.
Step 1: Right click on the printer driver file and choose “Run as administrator”

Fugure 1: How to install driver for OKI printer
Step 2: Choose setup language. In here, I choose “English (United State)” and then click to “Next”

Fugure 2: How to install driver for OKI printer
Step 3: Preparing setup OKI printer driver. Don’t click “Cancel”

Fugure 3: How to install driver for OKI printer
Step 4: Click “Next” to continuo.

Fugure 4: How to install driver for OKI printer
Step 5: Click “Yes”

Fugure 5: How to install driver for OKI printer
Step 6: Change destination folder install driver or no and then click “Next”

Fugure 6: How to install driver for OKI printer
Step 6: Click “Next”

Fugure 7: How to install driver for OKI printer
Step 8: Wait for moment.

Fugure 8: How to install driver for OKI printer
Step 9: Click “Finish” printer dirver has installation complete.

Fugure 9: How to install driver for OKI printer