First, it is important to note that the HP A799 falls under the HP Point of Sale (POS) category. These drivers are often different from standard office printer drivers (like those for a LaserJet or Inkjet). The A799 typically requires a specific POS driver that allows it to print receipts from your POS software correctly.
If the printer is printing random characters or weird symbols: hp a799 thermal printer driver download link
Once you have downloaded the driver file (usually a .exe or .zip file), follow these steps to get your printer running. First, it is important to note that the
HP does not currently make a consumer "A799" thermal printer. You might have: For true thermal receipt printers:
For true thermal receipt printers: