Driver for OKI T400
Table of Contents

The official driver for the OKI T400 printer is essential when connecting the device to a computer for the first time or reinstalling Windows. This driver ensures the printer is correctly recognized by the system, allowing for setup and printing functions. The installation process is automatic and straightforward. After installation, please restart your computer to apply the changes.
To download the driver for the OKI T400 that corresponds to your operating system, please refer to the table below. After downloading, it’s recommended to read the installation instructions.
Download Driver for OKI T400
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 T400 driver! Download the necessary drivers for Windows, Linux, and Mac operating systems for free.

How to Install the Driver for OKI T400
- Download the driver from the table according to your Windows version.
- 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 changes.


Before installing the driver, ensure that no other version is installed on your computer. If it is, please uninstall it before proceeding with the new installation.
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 issues: If the printer does not print after driver installation, ensure you have restarted your computer.
- Cannot launch the driver file: If the file fails to open, check your system for viruses, then restart and try again.