The printer needs to have a driver installed on the computer to function properly.
Steps:
1. Connect the printer to the computer using a USB cable.
2. Press and hold the power button for 3 seconds to turn on the printer.

3. Click this link to download the driver: ST80A
4. Double-click to open the downloaded .pkg driver file.

5. Follow the prompts to complete the installation steps until you see the message: “Installation was successful”.


Note:
If the printer does not appear on your Mac, try unplugging and reconnecting the USB cable between the printer and the Mac, and then restarting the printer.

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How to Use the Printer on Windows via USB Cable