Patent ID: 7548710
Filing Date: 2009-06-16
Classification: G03G

Abstract:
1. An image forming device, comprising: a developer supplying toner to an image forming station; a removable cartridge holding a supply of toner, in toner flow relationship with the developer when the cartridge is inserted into the image forming device; a shutter on the developer operative to retain toner in the developer in a closed position, and operative to allow toner to flow into the developer in an open position; and a shutter on the cartridge operative to retain toner within the cartridge in a closed position, and operative to allow toner to flow from the cartridge in an open position; wherein both the developer shutter and the cartridge shutter are moved to the open position by inserting the cartridge into the image forming device, and both the developer shutter and the cartridge shutter are moved to the closed position by removing the cartridge from the image forming device, wherein the developer shutter engages a portion of the cartridge so that when the removable cartridge is removed from the image forming device, the removable cartridge directly moves the developer shutter to a closed position, wherein opening and closing the developer shutter and the cartridge shutter require no user action other than inserting the cartridge into the image forming device and removing the cartridge from the image forming device, respectively.