1.Please find the correct port first, and refer to the following steps
Steps:
This PC (right-click)->Manage->Device Manager->Universal Serial Bus controllers->USB Printing Support->Details->Bus relations->USB00*.
At this point, you will see that the USB port assigned to the
printer by Windows is USB00*
2.Please follow the steps below to modify it to the correct port USB00*
Steps:
Setting->Device->Printers&Scanners->GFLP801->Manage->Printer properties->Ports->USB00*->Apply.
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