Driver for OKI ML420-Black

- Virus check:
- Added: 13.01.2025
- OS versions: Windows 11, 10, 8, 7, Vista-XP
- Driver version: v 1.8.1
- Manufacturer: Oki
- License: Free
Table of Contents

This is the official driver for the OKI ML420-Black printer, required for the initial connection to your computer and when reinstalling Windows. This driver enables the system to recognize the printer for future use and allows for configuration and printing. The driver installation features an automatic mode and should not pose any issues. Remember to restart your computer after installation to apply changes.
You can download the driver for OKI ML420-Black for the required version of your operating system from the table below. We recommend reviewing the installation instructions after downloading.
Download Driver for OKI ML420-Black
OS Versions: Windows 11, Windows 10 32-bit, Windows 10 64-bit, Windows 8.1 32-bit, Windows 8.1 64-bit, Windows 8 32-bit, Windows 8 64-bit, Windows 7 32-bit, Windows 7 64-bit | |
Driver Type | Download |
Universal PCL5 Printer Driver |
On this page, you can download the OKI ML420-Black driver! Download the necessary drivers for Windows, Linux, and Mac operating systems for free.

How to Install the Driver for OKI ML420-Black
- Download the driver from the table for your version of Windows Operating System
- Launch the downloaded file
- Accept the “License Agreement” and click “Next”
- Select the connection method for the printer to your computer and click “Next”
- Wait for the installation to complete
- Restart your computer to apply changes.


Before installing the driver, ensure that no other version of it is installed on your computer. If it is, remove it before installing the new version.
Common Errors and Solutions During Driver Installation
- Printer Detection Issue: If the device is not found, we recommend downloading a different version of the driver.
- Printing Problems: If the printer does not print after driver installation, please ensure that you have restarted your computer.
- Cannot Launch Driver File: If the file does not open, check your system for viruses, then restart and try again.