Driver for OKI B420dn-Black
Table of Contents

We offer the official driver for the OKI B420dn-Black. This driver is essential for ensuring the reliable operation of your device with the Windows operating system. It not only restores the device to functionality but also guarantees proper communication between the device and the OS.
To begin, identify the specific version of your operating system. Then, using our convenient table, select the appropriate driver and click the “Download” button. After successfully downloading the driver, follow our comprehensive installation guide. With this guide, you won’t need to seek professional assistance or consult additional manuals.
Download Driver for OKI B420dn-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 |
PCL5 Printer Driver | |
LPR Utility | |
Network Extension | |
Panel Language Setup |
On this page, you can download the OKI B420dn-Black driver! Download the necessary drivers for free for Windows, Linux, and Mac operating systems.

How to Install the Driver for OKI B420dn-Black
- Download the driver from the table for your version of Windows.
- Run the downloaded file.
- Accept the “License Agreement” and click “Next.”
- Specify how the printer is connected to the computer and click “Next.”
- Wait for the installation to complete.
- Restart your computer to apply the changes.


Before installing the driver, ensure that no other version of it is installed on your computer. If it is, please uninstall it before proceeding with the new installation.
Common Errors and Solutions When Installing the Driver
- 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 installing the driver, ensure that you have restarted your computer.
- Unable to Open Driver File: If the file does not open, check your system for viruses, then reboot and try again.