Follow the on-screen prompts. If you are replacing an older A798 model, the existing driver may work, but a fresh install is recommended for full functionality.
To ensure the printer functions correctly with your POS system or computer, you must install the specific receipt printer drivers. HP provides these through their official support channels, though they are often listed under the broader "HP Dual Serial USB Thermal Receipt Printer" category. :
Click , navigate to the folder where you extracted the downloaded driver files, and click Next .
Expand the section. Look for entries labeled "HP", "Hewlett-Packard", or the specific hardware manufacturer (like Intel or Realtek). Check the appropriate box and click Download & install . Part 3: Manual Installation via Windows Device Manager hp a798-c80d-hp00 driver
If the system detects the underlying A798-C80D-HP00 module, it will automatically present the certified driver package. Click . Method 2: Official HP Customer Support Portal
Once the correct driver is downloaded:
Right-click the Windows Start menu and select . Follow the on-screen prompts
: After installation, use the Device Manager to right-click the device and select "Update driver" to check for the latest Windows-verified versions. Troubleshooting and Maintenance
: Windows 10 and 11 can often automatically detect and install a basic "MiniDriver" when the printer is connected via USB.
Look through the hardware categories for a device displaying a yellow exclamation mark ! , or look under the specific category (e.g., Network adapters ). Right-click the component and select . Choose Browse my computer for drivers . HP provides these through their official support channels,
: During installation, you must select the correct port. For USB connections, it is common to try different USB port numbers in the installer until a test page prints successfully.
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