| 摘要 |
PROBLEM TO BE SOLVED: To provide a toner replenishing device capable of realizing the replenishment of toner without spilling toner by easy operation. SOLUTION: A connection cap 44 supported by a cylinder 43 provided at the toner carrying-out port 40c of a toner replenishing tank is screwed in a toner replenishing port 31a communicating with a toner storing part 22 in a process cartridge 2, and the peripheries of the ports 31a and 40c are hermetically sealed. In the case of screwing, a projection 32 provided in the center of the port 31a presses a valve 45 closing the port 40c, whereby the port 40c is opened to carry the toner in the toner replenishing tank to the storing part 22. |
