Always download printer drivers from official or verified manufacturing sources to avoid malware and compatibility bugs.

You may have installed the wrong version. Re-run the installation and ensure you selected the 80mm driver.

The is a high-speed thermal receipt printer designed for retail and hospitality environments. To get it up and running, you'll need the correct drivers and a bit of configuration for your specific connection (USB, Bluetooth, or Wi-Fi). Official Driver Downloads

use Windows’ “Update Driver” via Device Manager – it will find a generic Microsoft driver, not Gprinter's optimized version.

Locate setup.exe or Gprinter Driver.exe and run it as an administrator.