Patent ID: 7603057
Filing Date: 2009-10-13
Classification: G03G

Abstract:
1. A photosensitive unit comprising: a developer cartridge comprising a developing agent carrier carrying a developing agent and a casing supporting the developing agent carrier and accommodating the developing agent; a photosensitive body disposed so that the developing agent carrier is brought into contact therewith by pressing and developed with an electrostatic latent image by the developing agent fed from the developer agent carrier; and a cartridge attaching portion to which the developer cartridge is detachably attached, wherein the casing comprises an elastic member, a pressing member for pressing the elastic member toward the developing agent carrier so that the developing agent carrier is pressed toward the photosensitive body, and a fitting member provided on the pressing member, and the cartridge attaching portion comprises a fit portion which is fitted with the fitting member so that the pressing member presses the elastic member toward the developing agent carrier for maintaining a pressing state of the pressing member to the elastic member.