up and running shouldn't be a hassle. Whether you are setting up a new point-of-sale (POS) system or updating an existing one, having the correct driver is essential for fast, reliable printing. 1. Where to Download the Drivers
The safest and most reliable way to get your drivers is through the official HP Support website. You can also find model-specific software on the HP Dual Serial USB Thermal Receipt Printer support page, which hosts the latest firmware and software for the A799 series.
If you are looking for alternative versions or specific MiniDrivers, CognitiveTPG Support provides universal MiniDrivers (v1.03) compatible with Windows 7 through Windows 11. 2. Quick Installation Steps
Once you have downloaded the driver from the HP Printer Drivers page, follow these steps to install it on Windows:
Preparation: Ensure your printer is plugged into power and connected to your computer via USB.
Run Setup: Extract the downloaded .zip file and run the setup application.
Select Processor: Choose your system type (32-bit or 64-bit). Select Model: When prompted, select or HP A799 Partial from the dropdown menu.
Assign Port: Set the port to the appropriate USB (Virtual Printer Port) and complete the wizard. 3. Troubleshooting Common Issues
Test Page Fails: If the printer doesn't respond, double-check that you have selected the correct virtual USB port in the printer properties.
Compatibility: For older systems, you can use the official HP Drivers portal to find legacy software versions.
Manual Setup: Detailed visual guides and step-by-step instructions are also available at RICS Software Help Center.
By keeping your drivers updated, you ensure your POS system remains efficient and minimizes downtime.
Are you having trouble with Windows 10/11 compatibility or looking for OPOS drivers specifically? HP Dual Serial USB Thermal Receipt Printer
The official driver for the HP A799 thermal receipt printer Go to product viewer dialog for this item. hp a799 thermal printer driver download link
can be downloaded directly from the HP Support Portal by entering your model name . Because this printer was originally manufactured by CognitiveTPG, you can also find technical resources on the CognitiveTPG Support Page . HP A799 Thermal Printer : Quick Review
is a workhorse in the Point-of-Sale (POS) world, prized for its extreme speed and "tank-like" build quality . It is specifically designed for high-traffic retail and hospitality environments where downtime isn't an option . Key Performance Specs
Speed: Blazing fast at up to 250 mm/second (approx. 10 inches per second), making it one of the fastest in its class .
Durability: Features a steel internal frame and a self-sharpening ceramic rotary cutter rated for 2.3 million cuts .
Resolution: Standard 203 dpi for sharp text and clear 1D/2D barcodes .
Memory: Includes 2MB to 8MB of flash memory for storing store logos and promotional graphics . 💡 Why It Stands Out
Spill Resistance: It has a built-in "liquid dam" and drainage system to protect electronics from counter spills .
Two-Color Printing: With specialized thermal paper, it can print in both black and red to highlight coupons or totals .
Ease of Use: Uses a simple "drop-in" paper loading system for standard 80mm receipt rolls . ⚠️ Things to Consider
Legacy Connectivity: While modern versions use PoweredUSB (which provides power and data in one cable), older units may require a separate 24V power brick and serial/USB cables .
Monochrome Only: Like most thermal printers, it cannot print in full color .
Heat Sensitivity: Receipts will fade if exposed to high heat or direct sunlight for long periods . Installation Pro-Tip
When installing on Windows 10 or 11, users often find success by selecting the "HP A799 Partial" driver option during the setup process if the standard driver doesn't immediately respond . If you'd like, I can help you: up and running shouldn't be a hassle
Find the exact manual for your specific sub-model (e.g., A799-C40W).
Troubleshoot connectivity issues if your computer isn't "seeing" the printer.
Recommend the correct thermal paper rolls for two-color printing. Official HP® Drivers and Software Download | HP® Support
Official HP® Drivers and Software Download | HP® Support. Software and Drivers. Official HP® Drivers and Software Download | HP® Support
The primary download link for the HP A799 thermal printer driver is available on the HP Customer Support Portal. 📥 Driver Download Sources
Official HP Portal: Locate software packages directly on the Official HP Drivers Page by entering your specific device model.
Alternative Direct Source: The A799 is manufactured by CognitiveTPG. You can access the raw device drivers directly on the CognitiveTPG Downloads Page. 🛠️ Step-by-Step Installation
📌 Pro-Tip: Make sure to plug both the power cable and communication cables into your system before starting the software execution. Download the correct zip file for your OS. Extract all contents from the folder. Run the setup execution file.
Choose your processor type (32-bit or 64-bit) when prompted. Select the HP A799 from the device list.
In the dropdown, pick the exact configuration option you need (e.g., HP A799 Partial). 📖 Helpful Manuals
To assist with setup or troubleshooting physical components:
Review structural layouts and instructions in the Official HP A799 User Guide. If you'd like, let me know:
Your current operating system (Windows 10, Windows 11, Linux?) The connection type you are using (USB or Serial?) Installing the HP a799 – Help Center - RICS Software Unzip the file
Here’s a short, helpful blog post you can use. Since HP doesn’t officially list the A799 as a current consumer model (it’s often a legacy/industrial thermal label or receipt printer), the post includes both official HP steps and a practical alternative.
"The driver is unavailable" error: This usually means the driver downloaded was not the correct version for your OS architecture (32-bit vs. 64-bit). Check your System Type in your computer's "About" settings and redownload the matching driver.
Receipts printing blank or garbled text: This is rarely a driver issue and usually a configuration issue within your POS software. Ensure your POS software is set to "Generic / Text Only" or specifically to "HP A799" in the printer setup section of the software.
Legacy Operating Systems: If you are running this on Windows XP or Windows 7 Embedded, you may need to look for "HP Receipt Printer Drivers (Legacy)" on the HP support site. These are often found under the "Archived" sections.
Plug the HP A799 via USB. Windows 10 and 11 may automatically install a compatible driver via Windows Update. No download required.
We located a working driver package for the HP A799 (often used with the HP A799 PS (Parallel) or USB models):
🔗 Download: HP A799 Thermal Printer Driver (ZIP, ~2 MB)
(Source: HP FTP archive – last updated for Windows 7/8/10, 32/64-bit)
After downloading:
setup.exe (if present) or use Add a printer > Have Disk in Windows.HP discontinued macOS drivers for models older than macOS 10.15. Use AirPrint if available. Otherwise, no official driver exists.
support.hp.comIf the product is discontinued, you may see a "Legacy Driver" section.
Finding the specific "A799" driver can be tricky because HP sometimes classifies it under broader "POS" or "Receipt Printer" packages. Below are the most reliable sources.
Option 1: Official HP Support Page (Recommended) This ensures you are getting the latest, virus-free software directly from the manufacturer.
Option 2: HP POS Driver Bundle Sometimes HP bundles the A799 driver into a general POS driver package. If the specific link above doesn't work, the general POS driver package often covers this model.