This driver download is available for Windows PCs.
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At a Glance
DeviceHP DesignJet 120
VendorHP
Supported OSWindows
VersionLatest
File Size—
UpdatedOct 29, 2026
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The HP DesignJet 120 driver connects your HP printer to Windows, allowing applications to send print jobs and access the settings available for your device. It is useful when setting up the printer on a new computer, reinstalling Windows, or troubleshooting printing problems that may be caused by a missing or incompatible driver.
Key Features
- Printer communication: Enables Windows and compatible applications to communicate with the HP DesignJet 120 and submit print jobs.
- Print settings: Provides access to supported options such as paper size, orientation, and output quality, depending on the driver package.
- Document layout control: Helps you configure page settings for drawings, graphics, and other documents before printing.
- Driver replacement: Lets you replace a damaged or unsuitable installation with a compatible package, which may resolve driver-related errors.
How to Install HP DesignJet 120 Driver
- Check your Windows version. Confirm whether your computer runs Windows 11, 10, 8, or 7, and check its system type, such as 32-bit or 64-bit. For Windows 10/11, pay particular attention to the package’s compatibility notes; older printer drivers may not explicitly support newer systems.
- Choose a compatible package. Before starting your HP DesignJet 120 driver download for Windows, verify that the listing identifies your exact printer model and operating system. Select the latest version that explicitly supports your setup rather than assuming the newest package works on every Windows release.
- Download and prepare the files. Obtain the driver as a free download from a trusted source. Extract the files if necessary, and review any included installation instructions.
- Install the driver. Run the supplied installer and follow its prompts. If the package has no installer, use Windows printer settings to add the printer and select the extracted driver when prompted. Connect or select the printer as directed.
- Test the printer. Restart Windows if requested, then print a test page. Confirm that the correct printer is selected and that the paper size and print preferences match your document.
Keep your driver updated by checking for a compatible release when Windows changes or printing issues arise. Before you update, review the release notes and retain the working installer so you can restore your previous setup if needed.
Common Issues and Fixes
- Install fails or rolls back: Run the HP DesignJet 120 driver setup as administrator and use Windows compatibility mode for the listed OS version. Disconnect the printer during installation, then reconnect when prompted.
- Printer not detected: Confirm the correct USB/parallel port is selected in Printer Properties. Power-cycle the DesignJet 120, try a direct port instead of a hub, and reinstall the driver if the port is missing.
- Version conflicts: Remove older HP DesignJet 120 drivers and HP software via Print Management and Programs and Features, reboot, then install only one compatible driver package. Avoid mixing Universal Print and device-specific drivers.
Driver Details
| Device | HP DesignJet 120 |
|---|---|
| Vendor | HP |
| Category | Printer |
| Supported OS | Windows |
| Published | October 28, 2026 |
| Updated | October 29, 2026 |
This driver download is available for Windows PCs.