Paper feeding and discharging device of electric power self-service payment terminal

The utility model discloses an electric power self-service payment terminal paper stock feeding and discharging device, which comprises a terminal body, the terminal body comprises a printing box, a paper storage box and a display screen, the printing box and the paper storage box are both arranged on the inner side of the terminal body, a first door with a lock is arranged at an opening of the paper storage box, the door with the lock is flush with the surface of the terminal body, and the display screen is arranged on the terminal body. A printer is arranged in the printing box, the printer is provided with a sealing plate, a paper inlet and a paper outlet, the sealing plate is used for sealing an opening of the printing box, the bottom of the sealing plate is provided with a second door with a lock corresponding to the paper inlet, the sealing plate is provided with an output port corresponding to the paper outlet, and an electric roller is arranged on the inner side of the output port; the electric roller