Se drum with novel toner cartridge sealing structure

The invention provides a Se drum with a novel toner cartridge sealing structure and relates to the technical field of laser printers. The Se drum comprises a toner cartridge, a waste toner container,a photosensitive drum, a charging roller, a wiper blade, a discharge blade, a magnetic roller, toner, a stirring rod and a toner baffle rod, wherein the toner baffle rod comprises a toner baffle boardand a rotary shaft; a layer of sealing cotton is arranged on the side, opposite to a toner outlet, of the toner baffle board; the rotary shaft of the toner baffle rod is mounted on the inner walls, close to two sides of the toner outlet, of the lower side surface of the toner outlet of the toner cartridge; when the toner baffle board and the tone outlet are horizontal, the toner outlet can be just sealed by the sealing cotton on the toner baffle board; during printing testing, the toner baffle rod is rotated to be vertical to the tone outlet or a toner baffle rod gear is taken down, the toneroutlet is opened at the mo