Toner cartridge and printer

The utility model relates to a toner cartridge which comprises a toner bin, a stirring assembly arranged in the toner bin, a through hole formed in the first end wall of the toner bin and used for installing the first end of the stirring assembly, and a sealing assembly arranged corresponding to the through hole and comprising a first sealing piece, a second sealing piece and a third sealing piece, the first sealing element is arranged on the outer side of the first end wall and on the periphery of the first end of the stirring assembly, the second sealing element corresponds to the through hole and is arranged on the inner side of the first end wall, and the third sealing element is elastic, sleeves the stirring assembly and is elastically pressed on the second sealing element. According to the carbon powder box, the sealing performance is improved, leaked powder can be prevented from entering a gap between the through hole and the stirring assembly, and the situation that the stirring piece and the leaked p