Plug the HP A799 printer into a power source and turn it on.
Because the A799 is a legacy hardware model originally developed by NCR and rebranded by HP, the official drivers are typically hosted on the HP Enterprise Support portal.
Download the or the OPOS/JPOS Driver depending on your POS software requirements. Supported Operating Systems
Look for the or Cash Drawer assignment options. hp a799 thermal printer driver download link
If you are reading this, you likely have an hooked up, but your computer isn't recognizing it. Maybe you’ve lost the installation CD, or perhaps the official HP support pages have buried the driver under layers of menus.
The cash drawer is triggered via the peripheral port on the back of the HP A799. Go to Printer Properties > Device Settings and ensure the "Peripheral Unit 1" or "Cash Drawer" action is set to trigger "Before Printing" or "After Printing". To help find the right driver configuration, tell me: What operating system is your computer running? What Point of Sale (POS) software are you using?
If you encounter an error message during setup, tell me you are using and the exact error text so I can provide a specific fix. Share public link Plug the HP A799 printer into a power source and turn it on
⚠️ : If you are on a third-party driver website (e.g., driverguide.com, driveridentifier.com), scan any downloaded .exe with VirusTotal before running. Many fake driver sites bundle malware.
The HP A799 is not a direct thermal printer. Direct thermal printers use heat to create an image on chemically treated paper (receipts, shipping labels). The HP A799 uses thermal inkjet technology—heat is applied to the ink cartridge to eject microscopic droplets onto paper.
If you meant a different brand/model (e.g., Zebra, TSC, Brother), say which and I’ll provide the correct driver link. Supported Operating Systems Look for the or Cash
By following this guide, you should be able to successfully download, install, and configure your HP A799 thermal printer. Whether you are printing shipping labels for a small business, receipts for a retail store, or barcode tags for a warehouse, the correct driver is the first step to reliable, high-quality thermal printing.
HP A799 Thermal Printer Driver Download Link and Installation Guide
Select your exact Operating System from the dropdown menu (e.g., Windows 10 64-bit ). Click on the dropdown.
Ensure the printer driver is assigned to the correct port (e.g., USB001, COM1). 5. Summary Table Information Model HP A799 Thermal Printer Driver Type POS Receipt Driver Supported OS Windows 7, 8, 10, 11 (Legacy) Connection Type USB / Serial / Parallel
Locate the downloaded .exe file (usually named HP_A799_Installer.exe or similar). Right-click and select .