Driver for OKI ML421
Summary
The official driver for the OKI ML421 printer is essential for first-time connections to a computer and for reinstalling the Windows operating system. This driver enables the system to recognize the printer, allowing for configuration and printing. The installation process is automatic, and it should pose no issues. However, a computer restart is necessary to apply the changes after installation.
You can download the driver for the OKI ML421 compatible with your version of the operating system from the table below, after which we recommend reviewing the installation instructions.
Download Driver for OKI ML421
| 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 ML421 driver! Get the necessary drivers for free for Windows, Linux, and Mac operating systems.
How to Install the Driver for OKI ML421
- Download the driver from the table for your version of Windows
- Run the downloaded file
- Accept the “License Agreement” and click “Next”
- Select the method for connecting the printer to the computer and click “Next”
- Wait for the installation to finish
- Restart your computer to apply the changes.
Before installing the driver, ensure that no other version is currently installed on your computer. If so, remove it before proceeding with the new installation.
Common Errors and Solutions During Driver Installation
- Printer detection issue: If the device is not found, consider downloading a different version of the driver.
- Printing problems: If the printer fails to print after installation, verify that you restarted your computer.
- Unable to launch driver file: If the file fails to open, check your system for viruses, then restart and try again.