The USB port was not found when installing the printer.

The materials to be prepared are: computer.

1. First, turn on the computer and click the "Devices and Printers" button.

2. Then, in this interface, click the "Add Special Printer" option.

3. Then in this interface, click the "Add local printer" option.

4. Then, in this interface, click the "Use existing new port genus" option.

5. Finally, in this interface, select the "USB (local port)" option.

Extended data:

1. If there is a previously installed printer driver in the computer, it is recommended to uninstall it;

2. Before installing the printer driver, the computer must close the anti-virus software firewall (such as windows firewall, 360 anti-virus software, computer housekeeper, security guard) and other programs with interception function;

3. The printer can be started only by connecting the power cord. There is no indicator light flashing, but there is no error prompt on the screen.

4.USB connection: Before installing the driver, do not connect the printer's USB to the computer until the driver installation prompts to connect the device, and then connect the USB to the computer.

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