1. The distance between the devices might be too far, exceeding the effective range of Bluetooth. Please ensure that your printer and computer are within 10 meters (approximately 394 inches) to avoid issues with unstable connections or failure to connect.
2. Please check if the Bluetooth on your Windows computer is turned on.
3. If a prompt window for adding a device pops up in the lower right corner of the computer, please click the window manually and select "Allow" to allow device pairing, otherwise the printer will not be able to connect.
4. Please make sure the Bluetooth devices are properly paired. You may need to delete previous pairing records and pair the devices again.
5. Please update or reinstall the printer driver. Before doing so, make sure to delete any previous Bluetooth pairing records and uninstall the old driver.
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