1.Check the printer’s connection:  Ensure that the USB cable is securely connected to both the printer and the computer. 
 2.Check Printer Settings:  Verify that the printer is compatible with the computer and that its settings are correct. 
 3.Resolve Software Issues:  Confirm that the printer drivers and the software installed on the computer are up-to-date. 
4.Check Printer Configuration: Confirm that the printer is correctly configured to print using a USB connection. 
 5.Test USB connection: Test the USB connection of the printer and computer by connecting a different USB device. 
 6.Check the USB cable: Try using a different USB cable if available to rule out the possibility of a faulty cable. 
