The ML421n-Black is a printer manufactured by Okidata. We recommend updating to the latest driver if printing causes programs to crash, or the printer won't print or if print quality is poor. This version of "ML4201164EA.exe" is rated (5 out of 5 stars) based on 14 downloads and 4 reviews. Compatibility for this driver update includes PCs running Windows operating systems such as Windows XP. The total disk space used for this update is 437.4 KB.
ML421n-Black
Windows 2003, Windows 2003 (64 bit), Windows XP (64 bit)
ML4201164EA.exe (437.4 KB)
Version 1.6 (12-Jun-2006)
Language: English
ML420 - ML421 SIDM Driver for Windows Xp x64 Edition / Windows Server 2003 x64 Edition / Windows Server 2003
Install instructions: 1. Double click on ML4201164EA.exe.
2. Follow the on-screen prompts to extract the driver files
3. Launch Add Printer Wizard
4. When prompted for the Manufacturer and Model click on Have Disk
5. Browse to the following location: C:OKIDATAML420_1English.
6. Click on OK
7. Follow the prompts to finish the driver installation
Manivannan (DG Staff Member) on 31-Aug-2009
To get the ML421n-Black driver, click the green download button above. After you complete your download, move on to Step 2.
If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Okidata ML421n-Black into the search box above and then submit. In the results, choose the best match for your PC and operating system.
Tech Tip: If you are having trouble deciding which is the right driver, try the Okidata Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
To find the newest driver, you may need to visit the Okidata website. Most major device manufacturers update their drivers regularly.
To install your new driver on Windows:
Right-click the Start button.
Click "Device Manager">
Find your device in the list.
Right-click the device and select "Update driver"
Follow the steps on screen.
Restart your computer when done.
This keeps your computer working at its best.
Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.
For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.