Finding the driver for the can be tricky because it was originally manufactured by CognitiveTPG , so support is shared between HP Official Support and CognitiveTPG Support . Direct Download Links The following are the primary sources for the A799 drivers:
: If the standard HP driver fails on older systems, some users have successfully used the NCR 7197 Receipt Printer driver as the hardware is technically similar. Manual Addition : If the setup doesn't detect the printer, use the Control Panel Devices and Printers Add a Printer hp a799 thermal printer driver download link
The A799 uses a rubber pickup roller that degrades over time. If it fails to feed photo paper, you cannot use thermal roll paper as a substitute—the printer will not recognize it. HP A799 Thermal Receipt Printer Finding the driver
In this guide, we provide the direct download links for the HP A799 driver and walk you through the installation process. Go to Control Panel > Devices and Printers
Wait—before you click away: This printer does use heat to print (thermal inkjet), but it requires and special photo paper, not heat-sensitive roll paper.
