Fix Conflicts: Ensure Seamless Operation of HP LaserJet Pro 400 on Win OS

This post will show you how to fix the driver issues for yourHP LaserJet Pro 400 printersseries in Windows 10/8/7. There are lots of printers for the HP LaserJet Pro 400 series, including LaserJet Pro 400 MFP M425, M401 series and M451 series. If you find your printer is not working properly, for instance, you seecertain errorwhen trying to print, theprinter’s status is off, you should update your printer driver to solve these issues. This post introduces three ways to download and update your HP LaserJet Pro 400 driver.

Try these fixes

1. Download or update the printer driver manually
2. Download or update the printer driver automatically (Recommended)
3. Download or update the printer driver in Device Manager

Fix 1: Download or update the printer driver manually

You can download and update your HP LaserJet Pro 400 driver manually from the HP website, which may be time-consuming. Before getting started, you should make sure to know the printer model and your computer Windows OS information. 1) Go to HP support website , selectPrintersto continue.

2. In the search box, enter yourHP LaserJet Pro 400 printer model.

3. Make sure the Detected operating system. Then clickDownload.

4. Run the downloaded file, and follow the wizard to finish. This requires time and computer skills. If this method doesn’t work for you, don’t worry. We have other solutions.

Fix 2: Download or update the printer driver automatically (Recommended)

If you don’t have time or patience, you can update your HP LaserJet Pro 400 driver automatically with Driver Easy . Driver Easy will automatically recognize your system and find the correct drivers for it.You don’t need to know exactly what system your computer is running, you don’t need to risk downloading and installing the wrong driver, and you don’t need to worry about making mistake when installing. You can update your drivers automatically with either the FREE or the Pro version of Driver Easy. But with the Pro version, it takes just 2 clicks (and you will get full support and a 30-day money back guarantee). 1) Download and install Driver Easy. 2) Run Driver Easy and click theScan Nowbutton. Driver Easy will then scan your computer and detect any problem drivers.

3. Click theUpdatebutton next to the flagged printer driver to automatically download the correct version of the driver (you can do this with theFREEversion). Or clickUpdate Allto automatically download and install the correct version of all the drivers that are missing or out of date on your system (this requires the Pro version – you’ll be prompted to upgrade when you clickUpdate All).

4. After updating, restart your computer to take effect. This is a rather easy method, isn’t it?! If this method doesn’t work for you, don’t worry. We have another solution for you.

Fix 3: Download or update the printer driver in Device Manager

You can also update your HP LaserJet Pro 400 driver via Device Manager. To do so:

Note : the screenshots below come from Windows 10, but the fixes also work on Windows 8 and Windows 7.

1. On your keyboard, press the Windows logo key andRat the same time to invoke the Run box. 2) Typedevmgmt.mscand clickOK.

3. In Device Manager, double clickPrintersorPrint queuesto expand it. 4) Right click on your printer (it may display asUnknown device), and selectUpdate driver. 5) ChooseSearch automatically for updated driver software. 6) Then Windows will start to help search the new driver for your computer. Follow the prompted instructions to finish. 7) Restart your computer and see if the driver works properly. That’s it. Hope you resolve the driver issue with your HP LaserJet Pro 400 printer.

• Drivers
• HP printer

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