HP printers connected does not recognize USB devices

My HP is the 3050 multi-function USB printer's USB port are all normal, I would like to install the printer driver
beginning to connect the computer to find a prompt new hardware, but also prompt does not recognize USB device driver installation is not so
On

into a computer to the back of the mouth of the U, U front of the mouth often have less voltage, and other phenomena led to the USB device does not
Not identify the root words for USB line, a line of poor quality will not identify, and if you have old computers, then also because of aging or the motherboard does not support the identification and you can not direct an printer driver, security End Zaicha your data line.You try.
As well, you look at the point of USB port, with a look at the USB.
Should not last for a line printer data.Is not the interface The problem ah, the next show I buy a new printer, the Canon CP760 ……